Space Defense Cybersecurity Lead – ISSM/RMF Expert

Sphinx Defense is seeking a Cybersecurity Lead/ISSM to drive RMF activities, authorizations, and secure software across classified environments. You will partner with Software Architects, government stakeholders, and engineering teams to embed security into design and sustain accreditation.

The role requires 7+ years in cybersecurity, RMF, and a TS/SCI clearance, with experience on classified programs. This position is based in Colorado Springs or Chantilly with ~20% travel and a competitive