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Personnel Security Specialist

MANTECH
Los Angeles, CA Full Time
POSTED ON 6/12/2026 CLOSED ON 7/19/2026

What are the responsibilities and job description for the Personnel Security Specialist position at MANTECH?

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

The Personnel Security Specialist’s primary function is to handle personnel security functions in support of the customer’s facility and organization. The position will provide “day-today” PERSEC services for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.

Responsibilities Include But Are Not Limited To

  • Build and Maintain tracking spreadsheets/databases for customer PERSEC activities.
  • Provide support for the security awareness and education programs.
  • Perform miscellaneous administrative support functions as directed by the contractor site lead and/or the Government Security Representative.
  • Review, track, and monitor security clearance processing activities with appropriate government personnel to achieve appropriate clearance actions.
  • 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 maintain all customer sponsored personnel access information.
  • Receive and/or transmit classified visit requests as necessary to meet customer needs.

Minimum Qualifications

  • Bachelor’s degree or 4 additional years of experience will be considered in lieu of degree.
  • 6 years of Personnel Security experience.
  • 4 years of relevant SCI experience.
  • Must be familiar with security policy/manuals and the appropriate ICDs/JAFANs/DOD Manuals and other guiding policy documents.

Preferred Qualifications

  • 2 years of SAP-related experience.

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%.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
  • Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

Salary.com Estimation for Personnel Security Specialist in Los Angeles, CA
$71,973 to $101,247
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