Senior ISSM - RMF & SAP Expert (TS/SCI)

GDIT is seeking an ISSM III in Colorado Springs to serve as a principal advisor on information system security across collateral, SCI, and SAP activities. You will lead day-to-day security operations, shape RMF/JSIG implementation, and partner with DoD agencies to strengthen cyber posture. Applicants should have 10+ years of experience, a Master’s degree or equivalent, and an active TS/SCI clearance with polygraph eligibility. Expect travel and on-site duties in a fast-paced defense environment.