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Position Title: Security Subject Matter Expert (SME)
Location: Chantilly, VA
Clearance: Active TS/SCI Required (Polygraph Preferred)
U.S. Citizenship: Required
OMNI is seeking a Security Subject Matter Expert (SME) to provide strategic security support for classified programs, facilities, and mission operations supporting national security space programs. The selected candidate will advise Government leadership on personnel, physical, information, and program security matters while ensuring compliance with applicable security policies and directives.
Provide expert guidance on security requirements for classified programs, facilities, and mission activities.
Support personnel security functions, including clearance verification, access authorization, and visitor management.
Partner with Government security offices, miss...