Senior Information Systems Security Engineer (ISSE) - TS/SCI

Location: On-site – CNMOC Headquarters Clearance: Active TS/SCI required Anticipated Start: September 2026, contingent upon task order award Employment Type: Full-time Position Overview Dark Horse Technologies is seeking a Senior Information Systems Security Engineer (ISSE) with extensive experience supporting Risk Management Framework (RMF) accreditation activities within the Intelligence Community (IC) . This position will support a focused, approximately one-year effort to transition existin…