Security Specialist

General information Requisition # R67226 Locations USA-VA-Dahlgren Posting Date 04/21/2026 Security Clearance Required TS/SCI Remote Type Onsite Time Type Full time Description & Requirements Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH! MANTECH seeks a Security Specialist , in support of our government customer out of Dahlgren, VA. The Security Specialist provides special access security oversight for the Missile Defense Agency supporting 10,0000 personnel at numerous geographically separated locations. Responsibilities include but are not limited to: Process new incoming Program Access Request (PAR) packages by quality-reviewing the PAR and route PAR for necessary approvals/signatures, tracking via the JADE database; and, as part of the PAR process, review DD-254s to verify individual's authorization for program access. Update the JADE database with all incoming Program Indoctrination Agreements (PIA) and Debriefing Statements, as well as foreign travel, security violations, derogatory information, etc. Ensure all PARs, PIAs, and, Debriefs are scanned into the JADE database, and assist customers as to the status of PAR packages. Perform personnel verification actions via the Defense Information System for Security (DISS). Request Counterintelligence (CI) checks on foreign contacts associated with PAR candidates. Interact with customers concerning issues on PARs, Risk Assessments, program clearances, and other general information, as needed; and interact with other PERSEC offices for PAR processing/coordination. Issue and track Pre-Screening Questionnaire (PSQ) and PSQ templates.

Minimum Qualifications:

Bachelor's degree and at least 3 years of experience in personnel security or related field. 6 years of security related experience with a High School Diploma. Capable of developing and implementing a specific security task area or specialty in support of a Special Access program (SAP). Candidates must be capable of multi-tasking and working in a high-tempo environment.

Preferred Qualifications:

Possesses extensive expertise, theoretical knowledge, and analytical abilities to synergize and apply personnel, industrial, physical, IT/IA and information security principals as they apply to Special Access Programs (SAPs)

Masters Degree Clearance Required:

Must have a current/active Top-Secret Clearance with SCI Eligibility. Additionally, this position is nominative, therefore, the successful applicant must apply for, and be granted, SCI and SAP access.

Physical Requirements:

Sedentary work MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.