Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Are you ready for your next challenge? Leidos is seeking Computer Engineers and Electrical Engineers for cutting-edge engineering efforts within the Maritime System Solutions (MSS) Portfolio of our Undersea Systems Division (USD) . This role is an opportunity to contribute to innovation in underwater vehicle systems, maritime sensors, subsea telemetry, and ISR solutions that support critical defense and national security missions. What’s in it for you? You'll work with a multidisciplinary team developing advanced maritime technologies, from prototype design to full-scale system deployment for ongoing Navy missions. THE CHALLENGE (primary responsibilities) Leidos’ Undersea Systems Division is a recognized leader in C4ISR technologies , delivering innovative, mission-critical solutions across sensor networks, unmanned systems, and tactical platforms . We’re known for achieving “industry firsts” in the most challenging maritime domains. Join us and be part of a world-class team delivering unmatched solutions for today's most pressing maritime missions. Make an Impact : Your work will directly support U.S. maritime dominance and national security. Lead Innovation : Be at the forefront of applying innovative technology and autonomy to real-world maritime systems. Work with Experts : Collaborate with a top-tier team of engineers, scientists, and technicians located across the U.S. Shape the Future : Help us build next-generation subsea technologies. What You’ll Do Contribute to technical innovation and product improvements aligned with customer needs and mission goals. Firmware & Software development for microcontrollers and FPGAs. Circuit board level design of high reliability, high voltage (1kV or greater) DC/DC power systems Circuit board level design of simultaneously sampled remote analog data acquisition equipment Design of long-distance fiber optic telemetry systems Support system architecture, subsystem trade studies, and design decisions across hardware, firmware, software, mechanical, manufacturing, and test disciplines. Plan, execute, and document verification and validation activities, including engineering tests, qualification tests, acceptance tests, troubleshooting, and anomaly resolution. Create and maintain engineering documentation including specifications, interface control documents, schematics, test procedures, test reports, design analyses, build documentation, and lifecycle support artifacts. Support design reviews, production readiness reviews, failure investigations, corrective actions, and technical risk reduction activities. Work with manufacturing, quality, supply chain, and program teams to transition designs from prototype through production and field support. Contribute to configuration management, change control, design release, and product baseline maintenance for hardware, firmware, and documentation. WHAT SETS YOU APART (basic qualifications) Bachelor's degree and 2 – 4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience. Experience with requirements traceability, verification planning, and objective quality evidence (OQE) generation. Experience with design, prototype, production and test of multi-layer printed circuit board assemblies (PCBAs) Experience with FPGAs, MCUs and Hardware Description Languages (VHDL, Verilog) Experience with Python, Bash, MATLAB, SPICE, C/C++ Functional literacy of Linux operating systems and ability to use basic command line tools Ability to apply basic software engineering practices to firmware & software development Ability to troubleshoot complex integrated systems across electronics, firmware, software, sensors, telemetry, power, and mechanical interfaces. Experience producing complete and accurate engineering documentation, including designs, procedures, analyses, and test results, suitable for design reviews, manufacturing, quality, program execution, and long-term sustainment. Experience working independently and collaboratively towards defined objectives within a multidisciplinary geographically diverse team U.S. Citizenship with ability to obtain a SECRET clearance Preferred Experience: Experience with Altium Designer Experience with Xilinx Zynq FPGAs and Vivado IDE Experience with cross-platform compiling C/C++ for ARM systems Experience with Microchip PIC32 & PIC24, STMicroelectronics STM32 Experience with UUVs, deployed subsea systems, and underwater payloads Familiarity with ISO 9001:2015 and quality-focused engineering processes Exposure to DoD technical program execution Familiarity with IPC-A-610 and J-STD-001 Willing to travel up to 10% If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: September 10, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is seeking a Tier 3 Cyber Threat Intelligence Analyst to join our team on a highly visible cyber security single-award IDIQ vehicle that provides Network Operations Security Operations (NOSC) support, cyber analysis, and application development. Department of Homeland Security (DHS), NOSC Support Services is a US Government program responsible to monitor, detect, analyze, mitigate, and respond to cyber threats and adversarial activity on the DHS Enterprise. DHS NOSC has primary responsibility for monitoring and responding to security events and incidents detected at the Trusted Internet Connection (TIC) and Policy Enforcement Point (PEP) and is responsible for directing and coordinating detection and response activities performed by each Component SOC. Direction and coordination are achieved through a shared DHS incident tracking system and other means of coordination and communication. The Cyber Threat Intel Analyst will need a strong cyber security background with experience with the following: Identify, track and investigate high priority threat campaigns, malicious actors with the interest, capability and TTPs (Techniques, Tactics and Procedures). Bring a comprehensive understanding, analyzing and tracking the cyber threat landscape, including identifying and analyzing cyber threats actors, APT TTPs and/or activities to enhance cybersecurity posture of the organization’s IT operating environment. Basic Qualifications The candidate must currently possess a Top Secret/SCI Clearance. BS in IT related field and 8-12 years’ experience in an IT field, or MS in IT related field and 8+ years’ experience in an IT Field, with a minimum of 7 years of experience as a Tier III senior cyber security analyst performing intelligence analysis, collection management, and technical analysis. Two years of recent experience with host-based and network-based security monitoring solutions and to include security content recommendation or development (host based and network signatures). Maintain and drive the development of new reports of Cyber Threat Intelligence analysis to peers, management and customer teams for purposes of situational awareness and making threat intelligence actionable. Provide support to the Network Operations Security Center during incident response and threat hunting activities that include cyber threat analysis support, research, recommending relevant remediation and mitigation. Conduct trending and correlation of various cyber intelligence sources for the purposes of indicator collection, shifts in TTPs, attribution and establish countermeasures to increase cyber resiliency. Host-based and network-based forensics related to the identification of advanced cyber threat activities, intrusion detection, incident response, malware analysis, and security content development (e.g., signatures, rules etc.); and cyber threat intelligence. Deep understanding of the cyber "Pyramid of Pain", Cyber Kill Chain, MITRE ATT&CK and the Diamond Model. Analysts should be able to conduct in-depth research into threat actors, tools, infrastructure, and TTPs using these frameworks. Ability to correlate and enrich data from intelligence sources with internal logs, alerts, and incident data from Splunk and Analyst1 to drive threat hunting and detection initiatives. Strong written and oral communication skills. Preferred Qualifications Must have at least one of the following certifications: Must have one of the following certifications: CASP+ CE, CCNP-Security, CISA, CISSP (or Associate), GCED, GCIH, CCSP Additionally preferred certifications held: SANS GCTI Previous DOD, IC or Law Enforcement Intelligence or Counterintelligence Training/Experience. Knowledge of Structured Analytic Technique Developing scripts to support cyber threat detection that outputs results in a variety of formats, such as VB scripts, Python, C++, HTML, XML or other types most appropriate for the task. Proficient in one more of the following computer languages Python, Bash, Visual Basic or PowerShell to support cyber threat detection or reporting. Working familiarity with additional tools such as CrowdStrike Falcon, Tanium, Proofpoint TAP, and Zscaler. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: September 9, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range - The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. The AEGIS program at Leidos seeking a highly skilled Maximo Application Suite (MAS) Technical Engineer with 8+ years of Maximo experience and advanced Linux proficiency. This role provides architectural leadership, technical direction, and hands on implementation expertise to ensure a secure, scalable, and high performing MAS environment supporting NASA’s Enterprise operations. The engineer will work closely with cross organizational leadership, stakeholders, vendors, and technical teams to ensure consistent platform reliability and adherence to Enterprise integration standards. Primary Responsibilities: Prepare and present project‑related information to executive, leadership, and center teams. Lead installation, configuration, upgrades, patching, and troubleshooting activities for MAS. Lead technical design of Enterprise integration architecture supporting NASA Enterprise systems. Lead implementation and configuration of secure API management and authentication standards. Define API messages, error handling, and monitoring strategies for integrations. Perform complex application configuration and develop automation scripts using Python, XML, JavaScript, and JSON. Develop and maintain complex scripting for MAS configurations across multiple environments. Configure and support Maximo Mobile, including SSO authentication implementations. Create application configurations in Maximo Mobile using the Maximo Application Framework (MAF) Configuration application to modify MAS configurations. Manage and support Maximo Application Suite user synchronization with Microsoft Entra ID. Perform data modeling to support Business Intelligence (BI) reporting needs. Utilize Jira Service Management (or comparable ticketing systems) to manage and track technical issues and service requests. Basic Qualifications: Bachelor’s degree in Information Systems, Computer Science, Engineering, or related field. 8+ years of Maximo technical engineering experience. Demonstrated advanced expertise in IBM Maximo architecture, automation scripting, the Maximo Integration Framework (MIF), and REST API integrations. Extensive hands-on experience with BIRT reporting and Microsoft Power BI, including expertise in reporting requirements and data modeling. Demonstrated advanced knowledge and hands-on experience with Linux operating systems and architecture, including scripting, system operations, and performance management. Hands‑on experience with MAS installation, configuration, troubleshooting, and patching. Demonstrated working knowledge of OpenShift Container Platform and containerization, with a strong understanding of enterprise Maximo Application Suite (MAS) deployments. Working knowledge of Maximo Mobile, SSO solutions, and MAF configuration. Experience developing automation scripts using Python, XML, JavaScript, and JSON. Familiarity with secure API management and authentication frameworks. Strong written and verbal communication skills and proven ability to interface with cross‑functional technical and leadership teams. Experience using Jira Service Management or similar platforms for issue tracking. Preferred Qualifications: Experience supporting NASA or other federal enterprise Maximo environments. Experience designing and maintaining Enterprise‑level integration architectures. Experience with Enterprise (multi-org, multi-site) reporting platforms and data segregation enforcement via Row-Level Security (RLS). Familiarity with MAS licensing models, user synchronization methods, or large‑scale environment deployments. Experience with performance tuning, high‑availability configurations, or MAS observability tools. Experience with IBM TRIRIGA and/or Maximo Real Estate and Facilities (MREF) module IBM Maximo Certifications: Certified Deployment Professional or IBM Certified Administrator. Clearance requirements: U.S. Citizenship is required. Must have the ability to obtain and maintain a security clearance ranging from a Public Trust, at minimum, up to a Top Secret clearance, as required. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: August 31, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Featuredjob

Description The Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician to support the customer’s computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling. The job duties of the Tier II Network Technician are as follows: • The Tier II network field technician will support the installation and maintenance of the client LAN/WAN devices. • Respond to and resolve incidents, demonstrate troubleshooting skills and communicate with the team. • Complete assigned tasks within Service Level Objectives/Agreements (SLOs/SLAs). • Draft and implement standard network change requests. • Provide support to Tier III network engineers for incident management and projects (site surveys, TEMS, coordinate and install new equipment). • Perform configuration management functions such as update topology drawings, ensure asset management records are accurate, and conduct inventory. • Coordinate network operations, maintenance, repairs, or upgrades. (Knowledge of CISCO/Juniper RMA process). • Layer 1 network experience (CAT5/6, SM/MM Fiber, Serial cables, SFP). • Layer 2 network experience (ability to configure/troubleshoot switches/routers, MAC addresses, VLANs, port security, applying thin and thick configs. • Layer 3 network experience (subnetting, familiar with protocols such as OSPF, BGP, HSRP, MPLS, LSP, GRE) • Configure and troubleshoot layer 2 switching (VLAN’s, Port Security, Thin Configs). • Perform IOS upgrades for Cisco, Juniper, Brocade and Foundry OS. • Experience with Visio. • Familiar with ServiceNow and Confluence. • May have up to 10% COMSEC responsibilities based on site and team needs. Requirements • Required Clearance: TS/SCI CI Poly • Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master’s and 4 years, bachelor’s and 6 years, associates and 8 years or HS diploma and 10 years. • Compliance with Department of Defense (DoD) 8140 Information Assurance Technical (IAT) Level 2. • Available to travel up to 20% of the time. • Available to work flexible hours, to include weekend support. • Ability to work independently and in a collaborative environment. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: August 27, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $73,450.00 - $132,775.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description The Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician to support the customer’s computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling. The job duties of the Tier II Network Technician are as follows: • The Tier II network field technician will support the installation and maintenance of the client LAN/WAN devices. • Respond to and resolve incidents, demonstrate troubleshooting skills and communicate with the team. • Complete assigned tasks within Service Level Objectives/Agreements (SLOs/SLAs). • Draft and implement standard network change requests. • Provide support to Tier III network engineers for incident management and projects (site surveys, TEMS, coordinate and install new equipment). • Perform configuration management functions such as update topology drawings, ensure asset management records are accurate, and conduct inventory. • Coordinate network operations, maintenance, repairs, or upgrades. (Knowledge of CISCO/Juniper RMA process). • Layer 1 network experience (CAT5/6, SM/MM Fiber, Serial cables, SFP). • Layer 2 network experience (ability to configure/troubleshoot switches/routers, MAC addresses, VLANs, port security, applying thin and thick configs. • Layer 3 network experience (subnetting, familiar with protocols such as OSPF, BGP, HSRP, MPLS, LSP, GRE) • Configure and troubleshoot layer 2 switching (VLAN’s, Port Security, Thin Configs). • Perform IOS upgrades for Cisco, Juniper, Brocade and Foundry OS. • Experience with Visio. • Familiar with ServiceNow and Confluence. • May have up to 10% COMSEC responsibilities based on site and team needs. Requirements • Required Clearance: TS/SCI CI Poly • Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master’s and 4 years, bachelor’s and 6 years, associates and 8 years or HS diploma and 10 years. • Compliance with Department of Defense (DoD) 8140 Information Assurance Technical (IAT) Level 2. • Available to travel up to 20% of the time. • Available to work flexible hours, to include weekend support. • Ability to work independently and in a collaborative environment. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: August 25, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $73,450.00 - $132,775.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is seeking a Cyber Tier 1 Deputy Team Lead to join our team on a highly visible cyber security single-award IDIQ vehicle that provides Network Operations Security Center (NOSC) support, cyber analysis, application development, and a 24x7x365 support staff. Department of Homeland Security (DHS), Network Operations Security Center (NOSC) is a U.S. Government program responsible to monitor, detect, analyze, mitigate, and respond to cyber threats and adversarial activity on the DHS Enterprise. The DHS NOSC has primary responsibility for monitoring and responding to security events and incidents detected at the Trusted Internet Connection (TIC) and Policy Enforcement Point (PEP) and is responsible for directing and coordinating detection and response activities performed by each Component SOC. Direction and coordination are achieved through a shared DHS incident tracking system and other means of coordination and communication. The Cyber Tier 1 (Monitoring and Analysis) team provide 24x7 support across 4 different shifts. We have front half shifts (day and night) and back half shifts (day and night). The front half shift will work 12-hour shifts from Sunday – Tuesday and alternating Wednesdays. The back half shift will work 12-hour shifts from Thursday – Saturday and alternating Wednesdays. Candidates must have the ability to work non-core hours, if necessary. Duties include network security monitoring and detection, proactively searching for threats, inspecting traffic for anomalies and new malware patterns, investigating and analyzing logs, providing analysis and response to alerts, and documenting activity in NOSC investigations and Security Event Notifications (SENs). The Cyber Tier 1 Deputy Team Lead is a critical role within the Network Operations and Security Center (NOSC), created to enhance operational efficiency, streamline processes, and improve the overall cybersecurity posture. This role emphasizes continuous improvement of effectiveness and efficiency, ensuring consistent communication and task completion across all shifts, and providing quality assurance and content enhancement for cybersecurity investigations and monitoring tools. Primary Responsibilities Onboarding Optimization: Lead efforts to reduce onboarding time through continuous observation and assessment of operations and administrative processes. Implement process improvements to enhance efficiency and reduce unnecessary efforts, leveraging Lean Six Sigma methodologies. Process Improvement: Continuously review and refine Standard Operating Procedures (SOPs) and workflows to ensure they are modern, efficient, and aligned with current needs. Collaborate with the SOAR team and other special teams to enhance automation and workflow capabilities. Customer Service Enhancement: Provide superior customer service to the Department of Homeland Security (DHS) by accurately identifying and addressing ad hoc requests from federal leadership. Act as a point of contact for high-level leaders and leads on the federal side to ensure clear communication and understanding of requirements. Training and Tools Management: Oversee and maintain compliance with required training programs, including on-the-job cybersecurity training and DHS-mandated e-learning courses. Manage and maintain access to cybersecurity tools, ensuring all team members have the necessary permissions to perform their roles effectively. Provide training on the use of various cybersecurity tools to team members, enhancing their capability to use the tools efficiently. Shift Liaison and Task Management: Ensure that all shifts (Front Days, Back Days, Front Nights, Back Nights) do not miss important emails or tasks, maintaining consistency in task completion. Monitor and follow-up on asks to ensure they are addressed and not overlooked, addressing gaps in previous processes. Quality Assurance and Content Improvement: Perform quality assurance checks on Splunk comment closures, Splunk investigations, and cybersecurity investigations (ECMs). Conduct quality checks on EBMs or proxy and firewall blocks submitted within the network. Review trends and data to develop better content for Splunk alerting and monitoring. Continuously work to improve the accuracy and efficiency of monitoring content by analyzing investigation trends. Process and Workflow Enhancement: Collaborating with the federal cybersecurity leads to reduce waste and improve meaningful cybersecurity processes. Engage with various teams to explore new methods to improve the work environment and cybersecurity services, including liaising with SOAR engineers and other special teams. Tools and Service Evaluation Test and evaluate new tools and services requested by the customer in a testing or development environment, providing critical feedback and analysis before enterprise-wide acquisition. Collaborate on feature development and enhancement of existing tools by testing new features and providing insights to optimize their functionality for the organization. Basic Qualifications All NOSC Deputy Team Lead candidates shall have one of the following: Bachelor’s degree in Computer Science, Engineering, Information Technology, Cybersecurity, or related field AND a minimum of 4 years total professional experience; Associate’s degree in Computer Science, Engineering, Information Technology, Cybersecurity, or related field AND a minimum of 6 years total professional experience; High school diploma and AND a minimum of 8 years total professional experience; And, professional experience in at least two of the areas listed below: GenAI/Automation Vulnerability Assessment Intrusion Prevention and Detection Access Control and Authorization Policy Enforcement Application Security Protocol Analysis Firewall Management Incident Response Encryption Web-Filtering Advanced Threat Protection Military experience and training may be considered in lieu of degree Active advanced cybersecurity certification(s) Experience conducting detailed technical analysis of Cybersecurity Events and Incidents Must have current TS/SCI. In addition to specific security clearance requirements, all Department of Homeland Security SOC employees are required to obtain an Entry on Duty (EOD) clearance to support this program. Must have one of the following certifications: CCNA-Security, CYSA+, GICSP, GSEC, Security+ CE, CND, SSCP Candidates should also demonstrate the following: Extensive knowledge of a SOC’s/NOSC’s purpose and role within an organization Detailed understanding of common network ports and protocols (e.g. TCP/UDP, HTTP, ICMP, DNS, SMTP, etc) Expertise with network topologies and network security device functions (e.g. Firewall, IDS/IPS, Proxy, DNS, etc). Expertise with packet analysis tools such as Wireshark Able to perform critical thinking and analysis to investigate cyber security alerts Extensive knowledge of common malware and attack vectors Extensive experience with Windows operating systems and standard OS logging Extensive experience with Antivirus, DLP, and host-based firewalls Preferred Qualifications Familiarity with other continuous improvement methodologies, e.g. Theory of Constraints Strong analytical skills with the ability to perform quality assurance and content improvement. Demonstrated ability to liaise between multiple teams and organizational levels. Excellent communication skills, both written and verbal, with the ability to interact effectively with federal leadership and team members across all shifts. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: August 21, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Remote #Featuredjob

Description The Security Enterprise Solutions (SES) Operation is the cornerstone of Leidos’ comprehensive suite of fully-integrated security solutions for aviation, ports, borders, and critical infrastructure customers around the world. With our new, combined portfolio, our operation has more than 24,000 products deployed across 120 countries. Leveraging this portfolio, our core technical strengths, and robust R&D initiatives, we are positioned to address emerging and evolving threats through rapid development of innovative solutions for our global customers. Travel to various customer sites domestically and internationally as required. SES is comprised of three divisions to align with our customers’ missions and needs: Aviation Solutions Ports & Borders Global Services SPECIFIC DUTIES, ACTIVITIES AND RESPONSIBILITIES INCLUDE BUT ARE NOT LIMITED TO : Performing customer support activities involving the installation, modification, and repair of complex equipment and systems Conducting on-site installation and testing of equipment to ensure proper working order. Isolating equipment start-up malfunctions and taking corrective action. Performing ad-hoc and predetermined work assignments with instructions. Following all established guidelines, procedures and policies. Working on assignments which are semi-routine in nature where ability to recognize deviation from accepted practice is required Managing resources, maintaining schedules, and coordinating all repair activities in priority sequence to ensure adherence to contractual service level agreements (SLAs); and Working in a customer environment with systems operated in a 24/7 environment which require immediate response times (either while on-shift or after hours on-call) and driving long distances to sites. Accepting and updating work order in CRM systems such as Salesforce, Maximo, and GURU for our customers. Basic Qualifications: Related Trade experience (electrical, electronic, mechanical)/Military Training (electrical, mechanical, electronics). (Equivalence achieved through comparative work and life experience of 2 years of electrical or mechanical field service role). Computer literacy; competency in use of all programs within MS Office Suite and aptitude for learning specialized software programs. Minimum of 2 years ’ experience directly involved in troubleshooting and field repair of electrical and electronic systems and equipment. Individuals shall possess excellent communications skills and have a strong orientation for customer focus and teamwork. Must be responsive to all customer issues at all times. Must be willing & able to travel at short notice. Must be able to pass an in-depth background check (TSA eQIP). Preferred Qualifications: Possess excellent organizational, communication, interpersonal skills with the ability to multitask several projects at once. Excellent customer service skills and the ability to handle stressful situations. Self-motivated, reliable, and accountable individual Must be able to lift/carry 50 lbs. Must be able to push/pull 200 lbs. Must be able to move/ manipulate equipment weighing up to 1000 lbs. with the assistance of carts, hoists, davit cranes, pallet jacks or other devices as defined in the manuals and Technical Advisory documentation. Job requires frequent bending, stooping, twisting, turning, and working in unusual positions requiring full body mobility. Must be able to work safely and follow safety precautions in extreme environments (temperature, humidity, noise, confined spaces, etc.) around dangerous industrial equipment. * *Salary Range for this position: $65,000 to $68,000 ** If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: August 18, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $48,100.00 - $86,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead! Leidos' Defense Sector Mission Assurance is seeking a Program Quality Engineer to serve as the quality engineering focal point for assigned programs, executing the Quality Control system in a way that drives customer satisfaction and product conformance. In this role you will support quality activities across Manufacturing operations — including First Article Inspection (FAI), supplier part approvals, continuous improvement, and defect reduction — for electromechanical products such as machined parts, mechanical assemblies, composite assemblies, welded assemblies, painted or coated assemblies, and flight hardware fabrication and assemblies. This is a hands-on individual contributor role. You will partner with program management, engineering, manufacturing, and supply chain to translate contract and customer quality requirements into executable quality plans, and you will own the technical problem-solving behind nonconformances and corrective actions. The position reports to the Sr Quality Manager of Defense Sector Mission Assurance and works closely with Quality Technicians and Inspectors, though the role carries no direct supervisory responsibility. If this sounds like the kind of environment where you can thrive, keep reading! About the Sector Leidos Defense Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with "can't fail" missions. To explore and learn more, click here ! Are you ready to make an impact? Share your resume with us today! Primary Responsibilities Serve as the quality engineering point of contact for assigned programs, supporting problem identification, resolution, loss reporting, and continuous improvement. Develop and maintain program quality plans, inspection plans, and quality requirement flowdown from contracts to manufacturing and suppliers. Review contract quality requirements and identify the processes, tooling, and documentation needed to comply. Execute and disposition First Article Inspections (FAI/AS9102) and supplier part approvals. Develop and maintain quality metrics — process capability studies, control charts, and measurement system analysis — to monitor Quality Control system effectiveness. Lead root-cause analysis and structured problem-solving (8D, 5-Why, fishbone) to identify effective corrective and preventive actions. Build and maintain statistical data collection and analysis to surface trends affecting product quality. Participate in Material Review Board activities and disposition nonconforming material. Provide day-to-day technical direction and inspection guidance to Quality Technicians and Inspectors on assigned programs. Interact with customers to identify quality improvement opportunities and close the feedback loop with manufacturing and development personnel. Initiate and execute quality improvement activities (e.g., Kaizen, Six Sigma) to raise product line performance. Report quality issues, trends, and losses to Quality Management and program leadership. Support internal and external quality audits, including AS9100 surveillance and customer audits. Collaborate with DCMA and other government and/or customer quality assurance organizations. Interface with supplier and customer quality representatives on quality issues and verify effective corrective action is implemented. Review and provide quality inputs to aviation program manuals, forms, and records. All other reasonable duties, as assigned. Basic Qualifications Bachelor's degree in Engineering or a related technical discipline and four (4) years of prior relevant experience; or master's degree with two (2) years of prior relevant experience. Additional years of direct experience working in aviation programs in support of defense contracts may be substituted for the degree. Four (4+) years of hands-on quality engineering experience in a manufacturing and/or product-based environment. Eight (8+) years of relevant experience is acceptable in lieu of a degree. Working knowledge of AS9100 / ISO 9001 requirements. Demonstrated experience with root cause analysis and corrective action methodologies. Experience reading and interpreting engineering drawings, specifications, and GD&T. Ability to review and provide quality inputs to aviation program manuals, forms, and records. Must be proficient in utilizing Microsoft Office products. Must have strong verbal and written communication skills, with the ability to present technical findings to program and customer stakeholders. Preferred Qualifications ASQ Certified Quality Engineer (CQE) or equivalent certification. Six Sigma Green Belt or Black Belt certification. Experience with Solumina or a comparable MES/quality management system. Experience building quality dashboards and reporting in Power BI. AS9100 internal auditor training or experience. Experience with flight hardware, composites, welding, or coatings quality requirements. Familiarity with statistical analysis tools such as Minitab. Prior experience supporting DCMA or government source inspection activities. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: August 14, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $73,450.00 - $132,775.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Are you a Linux Systems Administrator ready to take your skills beyond the traditional enterprise environment? Leidos is seeking a Mid-Level Linux Systems Administrator to support one of the Department of War's (DoW) largest High Performance Computing (HPC) environments at Stennis Space Center, Mississippi. In this role, you'll work alongside a highly skilled technical team supporting advanced supercomputing resources used by scientists and engineers to solve complex computational challenges and directly support the warfighter. You'll gain hands-on experience with Red Hat Enterprise Linux (RHEL), Red Hat Satellite, Ansible automation, system performance, security, and large-scale computing environments while continuing to grow your Linux and HPC expertise. This position offers a hybrid work schedule. Candidates must be local to or within commuting distance of Stennis Space Center, MS. On-site presence is required based on mission and customer needs. Clearance: U.S. citizenship is required and ability to obtain an Interim Secret clearance is required prior to starting on the program. Primary Responsibilities Administer, configure, maintain, and troubleshoot Red Hat Enterprise Linux (RHEL) systems. Install, configure, patch, upgrade, and maintain Linux operating systems and supporting software. Monitor system health, availability, capacity, and performance and proactively address potential issues. Support Red Hat Satellite for enterprise software deployment, patching, and system management. Use Ansible to automate system administration, configuration, and recurring operational tasks. Troubleshoot Linux operating system, application, hardware, storage, networking, and performance issues. Assist with system performance tuning and optimization across production environments. Perform software installation and configuration in accordance with established security and configuration standards. Participate in testing and validation of new hardware, software, and system changes. Ensure systems comply with established security policies, configuration baselines, and operational procedures. Develop and maintain technical documentation, procedures, configuration records, and troubleshooting guides. Collaborate with senior administrators, engineers, users, and other technical teams to resolve technical issues and support mission requirements. Share technical knowledge, lessons learned, and best practices across the team. Required Qualifications U.S. Citizenship is required. Active Secret clearance or ability to obtain Interim Secret eligibility prior to start. Bachelor's degree with 4+ years of relevant Linux Systems Administration experience. Additional relevant experience may be considered in lieu of a degree. Current DoW 8570 IAT Level II certification – Security+ CE or equivalent – prior to start. Current Red Hat Certified System Administrator (RHCSA) or CompTIA Linux+ certification prior to start. Hands-on experience administering Red Hat Enterprise Linux (RHEL) environments. Experience installing, configuring, patching, maintaining, and troubleshooting Linux systems. Familiarity with Red Hat Satellite or similar enterprise Linux management tools. Experience with or working knowledge of Ansible and infrastructure automation. Working knowledge of Linux security, permissions, networking, storage, and system performance. Strong troubleshooting, analytical, and problem-solving skills. Strong written and verbal communication skills. Must be local to or within commuting distance of Stennis Space Center, MS. Preferred Qualifications Experience supporting High Performance Computing (HPC), supercomputing, or large-scale computing environments. Experience supporting DoW, federal government, or other mission-critical environments. Hands-on Red Hat Satellite administration experience. Experience creating or modifying Ansible playbooks. Linux scripting experience using Bash, Python, or similar technologies. Familiarity with enterprise storage, networking, or virtualization technologies. Experience supporting large-scale or highly available Linux environments. Join Our Team This isn't your average Linux Systems Administrator opportunity. You'll have the chance to expand your Linux expertise in a large-scale High Performance Computing environment, work alongside experienced technical professionals, strengthen your automation and systems administration skills, and support technology directly connected to the mission. If you're a hands-on Linux professional ready for the next step in your career, we'd like to hear from you. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: August 13, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $73,450.00 - $132,775.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Are you ready for your next challenge? ​​Leidos Undersea Systems Division (USD) is seeking a proactive and experienced Information System Security Engineer (ISSE) to serve as the subject matter expert for critical IT systems at Stennis Space Center, MS. The primary focus of this position is to design, develop, and implement secure information systems. The ISSE collaborates with engineers and developers to integrate robust security measures into systems, ensuring they are resilient against threats and vulnerabilities. This role requires a deep understanding of security engineering principles and a proactive approach to risk management throughout the system lifecycle. The successful candidate will be a self-starter, comfortable with extensive travel, and capable of thriving in dynamic and physically demanding environments. THE CHALLENGE (primary responsibilities) ​Perform and review technical security assessments to identify vulnerabilities and ensure compliance with information assurance (IA) standards and regulations. ​Validate and verify system security requirements, establish system security designs, and integrate system security capabilities for various environments. ​Build cybersecurity into systems deployed to operational environments, ensuring uniform application of security policies and enterprise solutions. ​Assess and mitigate system security threats and risks throughout the program life cycle, contributing to security planning, assessment, risk analysis, and risk management. ​Apply system security engineering expertise in areas such as system security design, life cycle, risk management, and security testing, using industry system security engineering methodologies. ​Enforce the design and implementation of trusted relations among external systems and architectures and manage changes to systems while assessing security impact. ​Support security authorization activities in accordance with Government regulations, Department of Defense and National Institute of Standards and Technology (NIST) Risk Management Framework (RMF) standards, and customer-specific information security policies, processes, and procedures. ​Create, manage, and maintain all necessary documentation required to obtain and maintain a system's Authority to Operate (ATO). Ensure all evidence is accurately captured for ATO requests and extensions. ​Identify, track, and manage all configuration changes. Implement and validate system security controls using Security Technical Implementation Guides (STIGs) and the Security Content Automation Protocol (SCAP) to ensure compliance. ​Conduct field maintenance and system grooming to ensure optimal performance. Assist with installations and testing as needed. WHAT SETS YOU APART (basic qualifications) BS degree and 8 – 12 years of prior relevant experience ​Must have an active TS/SCI clearance. ​Proven experience in a hybrid role combining system administration with information assurance. ​Demonstrated experience as an ISSE/ISSM/ISSO/SCA. ​Experience creating documentation to obtain and maintain an ATO. ​Proficiency with STIGs and SCAP tools for configuration tracking and compliance. ​Deep understanding of the Navy Risk Management Framework (RMF) process. ​Comfortable working on multiple systems and components simultaneously in various configurations. ​Holds one or more of the following certifications: Security+, CISSP, CISM, CAP, ISSEP. ​Ability to work independently with minimal supervision. ​Excellent communication skills, with the ability to translate complex IA concepts for various audiences. ​Must be a US citizen. ​Must possess a valid US passport and be willing to travel extensively. ​ Work Environment & Physical Demands ​This role requires a significant commitment to travel and the ability to work in non-traditional office settings. The candidate must be able and willing to meet the following physical requirements: ​Extensive travel of up to 12 separate, week-long trips annually (approximately 6 OCONUS and 6 CONUS). ​Requires movement around piers, docks, and industrial facility spaces. Ability to climb ladders up to 20 ft. ​Required to transport or lift objects weighing up to 50 pounds. ​Constant use of hands and fingers is required to operate tools and computer equipment. ​Must be able to move about various workspaces, stoop, kneel, or reach for extended periods. ​Able and willing to work aboard marine vessels of various sizes, which may include overnight stays. ​We are looking for a dedicated professional to join our Leidos team and make an immediate impact. If you are a skilled ISSE who is ready for a challenging and rewarding opportunity, we encourage you to apply. SUBSEAMSS ​​ If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: August 6, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Featuredjob