Senior Cyber Security Engineer - ISSM & RMF SME | TS/SCI

Abacus Technology is seeking a Cyber Security Engineering SME to provide security and test & evaluation support for the RETS program in Washington, DC. The role is full-time and focuses on maintaining a robust security posture across DoD information systems. The candidate will serve as the ISSM, guide RMF implementations, and lead A&A activities, ensuring compliance with DoD policies. A TS/SCI clearance and SAP eligibility are preferred, with strong communication and project management skills