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General information

Requisition #
R66963
Locations
USA-CA-El Segundo
Posting Date
04/07/2026
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 Personnel Security Specialist (PSS)-II to join our team in El Segundo, CA.

The Personnel Security Specialist (PSS)-II will play a vital role in handling personnel security functions in support of the customer’s facility and organization. You will provide "day-to-day" PERSEC services for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities, ensuring all personnel files and access requirements are managed with precision. This is a full-time, in-office position that supports mission-critical security awareness and education programs.

Responsibilities include but are not limited to:

  • Maintaining various daily logs for administrative functions and an extensive customer database point of contact listing.

  • Performing data entry to the Joint Access Database (JADE) and maintaining all customer-sponsored billets and quota information.

  • Reviewing, tracking, and monitoring security clearance processing activities with government personnel to achieve appropriate clearance actions.

  • Preparing, processing, and reviewing Program Access Requests (PARs) for accuracy and access eligibility.

  • Conducting record checks using DCII, DISS, and SAPNP for candidates being submitted for Special Access Program access.

  • Providing leadership, mentoring, and quality assurance for PERSEC team members while interfacing with senior leaders for access approval decisions.

  • Supporting security awareness and education programs while enforcing the customer’s Standard Operating Procedures.

Minimum Qualifications:

  • Bachelor’s degree or 4 years of equivalent additional experience.

  • 6+ years of related experience

  • 4+ years of relevant SCI or SAP experience.

  • Completion of required training for JPAS/DISS, Joint Access Database Environment (JADE), and DoD SAPCO approved SAPNP.

  • Experience maintaining personnel security files and building tracking spreadsheets for complex PERSEC activities.

  • Proven ability to execute Special Access Program Nomination Process Questionnaires and handle classified visit requests.

Preferred Qualifications :

  • Minimum 2 years of SAP-related experience is highly desired.

  • Familiarity with security policy manuals, including appropriate ICDs, JAFANs, and DoD Manuals.

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

  • Possession of a high degree of originality, creativity, and initiative requiring minimal supervision.

Clearance Requirements:

  • Active Top-Secret Clearance with SCI Eligibility

  • Willingness to submit to a polygraph.

Physical Requirements:

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

  • Needs to occasionally move about inside and out of the office to access files, cabinets, and safes.

  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations and must be able to exchange accurate information in these situations.

  • Willingness to travel within the organizational Area of Responsibility (AOR), including air and ground transportation.


The projected compensation range for this position is $75,500.00-$125,600.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.