RMF-Driven InfoSec Officer for DoD Systems

Sigma Defense is seeking an Information System Security Officer (ISSO) to join our team at March Air Reserve Base. The ISSO will maintain RMF documentation, support A&A activities, and ensure continuous monitoring and vulnerability management across DoD information systems.

Minimum 3–7 years of IA/Cyber Security or RMF experience is required, with active TS/SCI preferred; CompTIA Security+ is mandatory. Candidates must be U.S.