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MA

Activity Security Representative

ManTech
Los Angeles, United Statesfull_timeVerifiedPosted 21 May 2026
💰 $153,800/yr($91,600/yr$153,800/yr)

About the role

General information

Requisition #
R67802
Locations
USA-CA-Los Angeles
Posting Date
05/20/2026
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 motivated, career and customer-oriented Activity Security Representative (ASR) - I to join our team in El Segundo, CA.

The Activity Security Representative (ASR) - I will leverage their strong technical background and knowledge to provide multi-disciplined security support to a customer’s facility and organization. You will provide day-to-day support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities in a full-time, in-office capacity.

Responsibilities include but are not limited to:

  • Conducting classification reviews of inbound and outbound correspondence and maintaining document accountability databases.

  • Processing and destroying classified materials and magnetic media while maintaining daily administrative logs for document control.

  • Assisting in the processing and electronic transfer of data files to internal customers and maintaining extensive point of contact listings.

  • Researching and filing inbound and outbound visit notices and escorting facility visitors while maintaining associated logs.

  • Conducting entry and exit inspections and assisting in the preparation of facility access control badges and entry system maintenance.

  • Performing data entry into personnel security databases and maintaining customer-sponsored billets and quota information.

  • Enforcing customer Standard Operating Procedures and providing support for security awareness and education programs.

Minimum Qualifications:

  • Bachelor’s degree or 4 additional years of experience will be considered in lieu of degree.

  • 2+ years of experience with activity security functions.

  • 1+ year of experience working with SCI programs.

  • Must complete DoD SAPCO approved SAPNP training within six months of starting on the contract if performing SAP personnel security functions.

  • Familiarity with SIMS database or completion of training within six months of hire if performing

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Company

ManTech

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