Personnel Security Specialist

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 experience4+ 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 EligibilityWillingness 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.

Created: 2026-04-08