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Activity Security Representative

Job in Los Angeles, Los Angeles County, California, 90012, USA
Listing for: MANTECH
Full Time position
Listed on 2026-02-01
Job specializations:
  • IT/Tech
    Cybersecurity
  • Government
    Cybersecurity, Government Security
Job Description & How to Apply Below

Activity Security Representative at MANTECH summary:

The Activity Security Representative II provides security support for classified information and Special Access Programs at a customer facility, ensuring proper handling and accountability of sensitive materials. Responsibilities include managing classified mail, access requests, candidate reviews for security eligibility, and maintaining security databases. The role requires extensive experience with SCI, knowledge of relevant security policies, and a Top Secret Clearance with SCI eligibility.

MANTECH seeks a motivated, career and customer-oriented Activity Security Representative II to join our team in El Segundo, CA
.

The Activity Security Representative’s primary function is 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 in a related field or 4 additional years of direct experience will be considered in lieu of degree.

  • 6 + years of relevant experience.

  • 3 + years of experience with SCI.

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

Preferred Qualifications:

  • 1+ year relevant experience with SAR programs desired.

  • Working knowledge of Microsoft Office (Word, PowerPoint, and Excel)

Clearance Requirements:

  • Current Top Secret Clearance with SCI Eligibility

  • Eligibility for access to Special Access Program Information

  • Willingness to submit to a 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.

  • Must be able to exchange accurate information in these situations.

  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

Keywords:

Activity Security Representative, Top Secret Clearance, Sensitive Compartmented Information, Special Access Program, security support, classified information management, security policy compliance, Defense Central Index of Investigations, Joint Personnel Access System, security database management

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