Information System Security OfficerLeidos
Description
Dynetics, a wholly owned subsidiary of Leidos, is seeking a talented Information System Security Officer (ISSO) to join a diverse team to create unique solutions for complex problems. With offices across the United States engaging in the defense, space, cyber and commercial fields, Dynetics provides responsive, cost-effective engineering, scientific and IT solutions.
The Information System Security Officer (ISSO) will be responsible for supporting our Classified Information System Cybersecurity/Information Assurance Program. The ISSO will report to the Information System Security Manager (ISSM) on all aspects of classified information system security compliance.
Primary Responsibilities
- Assessing and monitoring system compliance, auditing, security plan development and delivering information systems security education and awareness
- Investigating information system security violations and help prepare reports specifying corrective and preventative actions
- Support the creation, review and update of cybersecurity documentation and other technical writing
- Support the auditing of information systems to ensure compliance with security policies and procedures while reporting any discrepancies to the ISSM, ISO or FSO.
- Assisting in the Risk Management Framework (RMF) authorization process by developing and maintaining artifacts for the IS Body of Evidence (BoE).
- Reviewing Configuration Management (CM) requests of all associated hardware, software, and security relevant functions are maintained and documented as part of CCB approval process.
- Sanitization and release of hardware in accordance with security policies or Authorizing Official (AO) guidance.
- Testing, evaluating and application of required technical security controls and periodic inspections of information systems.
Basic Qualifications
- Must have an active Secret Clearance
- Must possess one or more industry certifications aligned with the applicable DoD 8140/DoD Cyber Workforce Framework (DCWF) work role (for example, CompTIA Security+, CySA+, CISSP, CISM or equivalent), or the ability to otherwise satisfy DoD 8140 qualification requirements through approved education, training, or experience.
- Position Typically requires at least 1-3 years of applicable, related experience in computer-related discipline
Relevant Experience Considered:
- Cybersecurity, systems security or hardening, Information Technology
- Compliance-based auditing using the Risk Management Framework (RMF), DCSA Assessment and Authorization Guide (DAAG), National Industrial Security Program Operating Manual (NISPOM)
- Experience working with and/or supporting computer technologies (such as databases, operating systems, computer network hardware, software programs, hardware troubleshooting or electronics)
- Some understanding of security configurations across multiple operating systems in various environments, including Windows, Linux, utilizing Active Directory/Group Policy, Delinea, etc. is required.
- Candidate must be highly organized, self-motivated with excellent documentation and time management skills and
- Must possess the ability to communicate well with others and work with minimal supervision.
Preferred Qualifications:
- Some Experience with IT (Windows, Linux) and/or security related certifications
- Experience working in DoD classified operating and/or laboratory environments
- Some Experience with various information system security tools that address vulnerability analysis and mitigation. These may include SPLUNK, SolarWinds, Trellix, Tenable, and SCAP.
- Familiarity with implementation of Government directives and policies derived from NIST, STIG, DoD, or other Government Regulatory compliance standards within a professional industry
- Familiarity in the execution of the Assessment & Authorization processes, as defined within the Risk Managed Framework (RMF), eMASS
- Ability to support technical security consultation for complex, cross-domain, heterogeneous classified networked environments in collaboration with internal/external Customers, Information Technology (IT) with Team support
- Familiarity with the execution and management of cyber incident response; preservation, containment, and eradication
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:
July 24, 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.
