Responsibilities: The SME will assess and own the personnel security program that protects the information environment: clearance and access management across controlled access programs, indoctrination and debriefing, continuous vetting, insider threat coordination, and security compliance for a cleared workforce operating across multiple classification domains. Process, track, and manage clearance actions, SCI nominations, SAP access requests, indoctrinations, debriefings, visit requests, and reinvestigations in DISS, NBIS, and successor systems; maintain accurate access rosters across all compartments and enclaves.