Information System Security Officer (ISSO), Senior (On-Prem & Cloud)

AMERICAN SYSTEMS is seeking a Senior Information System Security Officer (ISSO) to manage RMF execution, authorization, and continuous monitoring for hybrid on‑premises and cloud systems supporting classified government missions in Chantilly, VA.   This role is ideally suited for a security leader who is detail‑oriented, highly organized, and confident guiding system owners and engineers through RMF execution, authorization decisions, and ongoing compliance in...