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Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI with Polygraph
Gdit
USA DC WashingtonPosted Aug 20, 2026 · 1h ago$145k – $196k
Full-time$145k – $196kMid LevelOn-siteDefense
About this role
GDIT is seeking a Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) to ensure system security and compliance. You will lead Accreditation and Authorization (A&A) reviews, document security controls, and gather artifacts for Risk Management Framework (RMF) and ICD 503 Security Accreditation. This role involves writing Systems Security Plans, Contingency Plans, and other A&A related documents, as well as managing Plans of Actions and Milestones (POA&Ms).
What we are looking for
6- Lead Accreditation and Authorization (A&A) reviews
- Document security control implementations and RMF artifacts
- Write Systems Security Plans (SSP) and CONOPS
- Gather information from stakeholders for A&A documents
- Manage and document POA&Ms
- Coordinate with contractors and customers for A&A processes
Work authorization
No visa sponsorship is available.
Must be a U.S. citizen.
Requires a Ts Sci security clearance.
