DoD Information Security Manager – RMF/ATO Expert

Leidos is seeking an Information System Security Manager (ISSM) for a DoD program in Virginia. You will oversee cybersecurity posture, develop and enforce RMF-based security controls, and manage continuous monitoring for DoD information systems.

This on-site role requires coordinating with ISSOs, engineers, and stakeholders to ensure compliance and timely accreditations. You will lead risk assessments, maintain SSPs and POA&Ms, and guide incident response while ensuring DoD regulatory alignment