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Activity Security Representative with Security Clearance

MANTECHLos Angeles, CA🇺🇸United StatesPosted Oct 8, 2026

Why This Role Stands Out

This role offers a fantastic opportunity to grow your career in a vital security capacity, supporting critical programs and gaining valuable experience with SCI and SAP activities. You'll thrive here if you're a motivated individual with a strong technical background and a commitment to meticulous detail, so we encourage you to apply.

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Los Angeles, CA, United States
Posted
1 week ago

Job Description

MANTECH seeks a motivated, career and customer-oriented Activity Security Representative - II to join our team in El Segundo, CA. The Activity Security Representative - II'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. This is a five-day a week in the office at El Segundo, CA. Responsibilities include but are not limited to:

  • Classification reviews of inbound and outbound correspondence.
  • Assist in the maintenance of a document accountability database and associated correspondence.
  • Processing inbound and outbound classified mail and receipt records.
  • Perform destruction of classified materials.
  • Process magnetic media for accountability.
  • Reproduction support for classified materials.
  • Maintain various daily logs for a variety of administrative functions associated with document control.

Minimum Qualifications

  • Bachelor's degree or equivalent additional experience (4 years).
  • 6+ years total experience, including minimum
  • 3+ years' experience with SCI or SAR programs.
  • Minimum of 1-year relevant experience with SAR programs desired.
  • Ability to complete the following training with six months of hire: DoD SAPCO approved SAPNP training, Joint Access Database Environment (JADE), SIMS database and JPAS/DISS (if performing SAP personnel security functions).

Preferred Qualifications

  • Must be familiar with security policy/manuals and the appropriate ICDs/JAFANs/DOD Manuals and other guiding policy documents.
  • Must have the ability to work in a dynamic environment and effectively interact with numerous DOD, military/civilian personnel and industry partners.

Clearance Requirements

  • Current Top-Secret Clearance with SCI Eligibility.
  • Willingness to submit to a Counterintelligence polygraph.

Physical Requirements

  • Must be able to remain in a stationary position 50%.
  • Willingness to travel within the organizational Area of Responsibility (AOR) (note - could be extensive and will include both air and ground transportation).
  • Person in this position may remain in a stationary position a percentage of the time (i.e., adjustable chairs and desks) in closed-area offices.
  • Occasionally move about inside and out of office to access files, cabinets, safes.

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