Information System Security Officer (ISSO), Senior

Job description

Responsibilities We are seeking a highly skilled and innovative Information System Security Officer (ISSO) to join our team in the greater DMV area, supporting the Army National Guard. Responsibilities: - Manage system‑level cybersecurity programs: oversee RMF lifecycle activities, control implementation, continuous monitoring, and accreditation evidence. - Review and validate security documentation, system security plans (SSPs), control implementation statements, POA&Ms, and configuration baselines to assess residual risk. - Coordinate with system owners, engineers, ISSMs, assessors, and integrators to remediate control deficiencies and maintain authorization posture. - Advise leadership on risk acceptance, compliance obligations, and remediation prioritization; prepare briefing materials for authorization and governance boards. - Implement and monitor continuous monitoring processes: vulnerability scanning, configuration checks, patch status, and security telemetry integration. - Support audit and inspection readiness by producing evidence packages, control test results, and remediation verification artifacts. - Maintain documentation, control traceability, and change records to...