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Employee
Administrative
Activity Security Representative with Security Clearance
MANTECHLos Angeles, CA🇺🇸United StatesPosted 13 Jul 2026
Quick Overview
Work Type
On Site
Schedule
Employee
Level
Mid Senior
Job Description
MANTECH seeks a motivated, career and customer-oriented Activity Security Representative to join our team in El Segundo, CA. The Activity Security Representative-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 in a related field or 4 additional years of experience will be considered in lieu of degree.
* 2+ years of related experience.
* 1+ years of experience 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 document control functions.
* Completion of JPAS/DISS training within six months of hire if performing SCI personnel security functions.
* Completion of Joint Access Database Environment (JADE) training within six months of hire if performing SAP personnel security functions. Preferred Qualifications: * 1+ years of experience with SAP programs.
* Familiarity with security policy manuals and other guiding policy documents used in Government contracting environments.
* Self-starter with excellent people skills-able to work in dynamic environments and interact effectively with DOD, military, and industry partners.
* Working knowledge of Microsoft Office (Word, PowerPoint, and Excel) and a high degree of initiative requiring minimal supervision. 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%
* The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.
* Must be able to exchange accurate information in these situations.
* Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer
* 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 in a related field or 4 additional years of experience will be considered in lieu of degree.
* 2+ years of related experience.
* 1+ years of experience 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 document control functions.
* Completion of JPAS/DISS training within six months of hire if performing SCI personnel security functions.
* Completion of Joint Access Database Environment (JADE) training within six months of hire if performing SAP personnel security functions. Preferred Qualifications: * 1+ years of experience with SAP programs.
* Familiarity with security policy manuals and other guiding policy documents used in Government contracting environments.
* Self-starter with excellent people skills-able to work in dynamic environments and interact effectively with DOD, military, and industry partners.
* Working knowledge of Microsoft Office (Word, PowerPoint, and Excel) and a high degree of initiative requiring minimal supervision. 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%
* The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.
* Must be able to exchange accurate information in these situations.
* Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer
Skills
Data Entry
Microsoft Office
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