Sr. Network EngineerLeidos
Description
Leidos is looking to fill a Network Engineer position to support the National Digital Exploitation & OSINT Center (NDOC). The Network Engineer supports the planning, coordination, and execution of major computer network initiatives.
This is a 100% on-site position. All work must be performed at the customer site in Bethesda at the Intelligence Community Campus.
Primary Responsibilities:
- Design, implement, and maintain highly available, scalable, and secure data center and enterprise network architectures, including spine-leaf topologies, virtualized environments, and fabric networks.
- Plan, integrate, and sustain LAN/WAN infrastructure with seamless connectivity between on-premises systems, cloud environments, and external mission networks.
- Configure and maintain Cisco ACI, routers, switches, firewalls, and load balancers in support of mission-critical operations.
- Manage connectivity and performance across servers, storage, hypervisors, and data center interconnects to ensure optimal network throughput and reliability.
- Utilize network monitoring and ITSM tools such as ServiceNow, SolarWinds, NetBox, and PRTG to track network health, availability, and incident resolution metrics.
- Lead troubleshooting and incident resolution for complex network and data center issues, including root cause analysis and recovery planning.
- Develop and execute contingency and continuity plans to ensure network resilience and minimal downtime during outages or maintenance events.
- Oversee network cabling standards, patch management, and structured wiring practices to support consistent data center operations.
- Implement network segmentation, performance tuning, and latency optimization strategies across physical and virtual environments.
- Coordinate closely with IT, Systems Engineering, Cybersecurity, and Application teams to support cross-functional projects and ensure network compliance with security and mission requirements.
- Manage and assign work through ServiceNow ITSM, ensuring incidents and change requests are properly documented and resolved within SLA.
- Provide status reports, incident summaries, and performance metrics to program and executive leadership.
- Lead or support network modernization and data center consolidation initiatives, ensuring projects meet technical, budgetary, and schedule requirements.
- Evaluate and recommend emerging network technologies that improve data center efficiency, scalability, and cybersecurity posture.
- Supervise and mentor network engineers and technicians, providing technical leadership and professional development.
- Assist leadership with planning schedules and ensure proper personnel coverage for support activities.
- Responsible for evaluating resumes for vacancies and serving as a key component during candidate interviews.
- Manage work performance for subordinates, provide periodic feedback, and document performance against employee's goals and corporate guidelines.
- Review and approve timesheets for assigned subordinates in compliance with corporate standards.
- Maintain flexibility to provide after-hours or on-call support in the event of critical outages.
Basic Qualifications:
- Proven experience designing, implementing, and maintaining data center network architectures with a focus on scalability, redundancy, and security.
- Hands-on experience with Cisco ACI, Nexus, and Catalyst platforms, including configuration, monitoring, and troubleshooting.
- Strong understanding of TCP/IP, DNS, DHCP, OSPF, BGP, VLANs, HSRP, SNMP, and multicast protocols.
- Proficiency with network monitoring and ITSM tools such as ServiceNow, SolarWinds, and NetBox.
- In-depth knowledge of network security principles, including firewall rules, ACLs, VPNs, and secure remote access.
- Familiarity with network asset lifecycle management, capacity planning, and hardware procurement processes.
- Experience leading teams and managing performance under shifting operational priorities.
- Excellent written and verbal communication skills, with the ability to brief senior leadership and government stakeholders.
- Candidate must meet DoD 8140/8570.11- IAT Level II certification requirements (Security+ CE, CCNA Security, GSEC, or SSCP) with a valid Computing Environment (CE) certification.
Clearance:
- Due to the nature of the government contracts we support, US Citizenship is required.
- TS/SCI with Poly required for Position or TS/SCI and willingness to get a poly.
Education:
- Requires a Bachelor’s degree and 8+ years of relevant experience. Additional years of relevant experience may be considered in lieu of a degree
Preferred Qualifications:
- Active Cisco Certified Network Associate (CCNA) certification
- CCNP or CCIE certification
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:
June 16, 2026For 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.
