Activity Security Representative

General information

Requisition # R63896 Locations USA-CA-Vandenberg AFB Posting Date 10/27/2025 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 motivated, career and customer-oriented Activity Security Representative II to join our team in Vandenburg SFB, CA 

The Activity Security Representative’s primary function to provide multi-disciplined security support to a customer’s facility and organization. The position will provide “day-to-day” support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.

Responsibilities include but are not limited to:

• Assist in the maintenance of a document accountability database and associated correspondence.

• Implement Top Secret Control for accountable material and associated correspondence.

• Prepare and/or process inbound and outbound classified mail, faxes, courier packages and receipts.

• Prepare, process, and/or review Program Access Request (PARs) for accuracy and access eligibility.

• Execute Special Access Program Nomination Process Questionnaires

• Conduct Defense Central Index of Investigations (DCII), Joint Personnel Access System (JPAS), and SAPNP reviews of candidates being submitted for SAP access.

• Perform data entry and record checks in the Joint Access Database (JADE) and maintains all customer sponsored personnel access information current.

Minimum Qualifications:

• Bachelor’s degree; an additional 4 years of direct experience might be considered for a degree

• 6 + years of related experience

• 3 + years’ experience with SCI or SAR programs.

• Must be familiar with security policy/manuals and the appropriate ICDs/JAFANs/DOD Manuals and other guiding policy documents

Preferred Qualifications:

• 1+ year of relevant experience with SAR programs desired.

Clearance Qualifications:

• Current Top-Secret Clearance with SCI Eligibility

• Eligibility for access to Special Access Program Information

• Willingness to submit to a Counterintelligence polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50%

• The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.

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