SCI Security Specialist

General information

Requisition # R65303 Locations USA-CA-Los Angeles Posting Date 01/27/2026 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 SCI Security Specialist II to join our team in El Segundo, CA.

The SCI Security Specialist’s primary function is to serve as a senior security specialist under supervision of the local Special Security Office (SSO). In accordance with Department of Defense (DoD), Director of National Intelligence (DNI) and Air Force directives, regulations and instructions, implements local policies and procedures to ensure the effective and efficient management for military, civilian and contractor personnel of SCI and collateral program functions including physical, personnel, information and industrial security. The position will provide “day-to-day” support for Collateral and Sensitive Compartmented Information (SCI) activities.

Responsibilities include but are not limited to:

• Formulates plans, policies, procedures and other documentation required to deal with the operation of SCI protection functions and activities IAW DoD 5105.21 Volumes 1-3, ICD 704/5, AFMAN 14-304, AFI 16-1404/06 and AFI 31-501.

• Perform data entry to the Personnel Access Security System database and maintain all customer sponsored billets and quota information.

• Follow and enforce the customer’s Standard Operating Procedures.

• 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.

• Participate in Air Force SAP security compliance inspections of government organizations and industry.

• Conduct Defense Central Index of Investigations (DCII) and SAPNP reviews of candidates being submitted for SAP access.

• Perform data entry and record checks in the Joint Access Database (JADE) and maintains all customer sponsored personnel access information current.

Minimum Qualifications:

• Bachelor’s degree in a related field; an additional 4 years of equivalent experience might be substituted for a degree.

• 6+ years of total related experience

• 3+ years of experience within PERSEC supporting SAP / SAPF.

• Must be familiar with security policy/manuals and the appropriate IC