Senior RMF Information Security Manager (Onsite)

Vosper Thornycroft Group (VTG) seeks a Senior Information Systems Security Manager (ISSM) to support a national security customer. The role is 100% onsite and requires active Top Secret clearance with SCI, CI Poly, and RMF expertise.

The candidate will lead a security team, oversee RMF lifecycle activities, and ensure regulatory compliance. Responsibilities include guiding system categorization, tailoring security controls, coordinating assessments, and preparing risk management documentation