Information System Security Officer (ISSO)

Job description

Responsibilities Peraton Labs is seeking a poly cleared Information System Security Officer for a mission-critical, highly complex HPC environment enabling research across multiple security domains. You will own day-to-day security operations aligned to RMF, drive continuous monitoring, maintain ATO posture, and partner closely with subcontractor and customer personnel to ensure implementation and compliance. This position requires full-time on-site work in Laurel, MD. Key responsibilities may include: *This position may be eligible for an increased sign-on bonus. Eligibility, bonus amount, and applicable terms and conditions will be discussed during the recruiting process* - Act as the ISSO supporting the system security lifecycle across development, operations, and modernization - Execute and maintain RMF activities (e.g., control implementation oversight, evidence collection, assessment support, POA&M management, continuous monitoring) - Maintain security authorization artifacts (e.g., SSP, control narratives, diagrams, inheritance/leverage controls, CM plan, incident handling plan, contingency artifacts, user/admin procedures) - Operate continuous monitoring: vulnerability mana...