Senior ISSO: RMF & Authorization Leader

Peraton Labs seeks a Senior Information System Security Officer for a mission-critical, high-complexity HPC environment. You will own day-to-day security operations aligned to RMF, drive continuous monitoring, and maintain ATO posture while partnering with subcontractor and customer personnel. Role requires full-time on-site work in Laurel, MD area or near College Park, with responsibilities spanning lifecycle security, evidence collection, and risk-based decision making.