Personnel Security Specialist
Location
El Segundo, CA
Job Type
Full-time
Category
other-general
Posted
June 10, 2026
MANTECH seeks a motivated, career and customer-oriented **Personnel Security Specialist II** to join our team in **El Segundo, CA** .
The Personnel Security Specialist II will provide essential support to the U.S. Space Force Space Access program managed by the Space Systems Command. You will play a vital role in ensuring mission success by managing personnel security activities, processing clearance requests, and maintaining security education programs for both Government and Contractor personnel.
**Responsibilities include but are not limited to:**
+ Supporting personnel security activities including clearance verifications, visit requests, access badging, and entry access lists via the Defense Information Security System (DISS).
+ Managing the security clearance request process using DISS and National Background Investigation Services (NBIS), including the review of submitted request packages.
+ Assisting the Government in the management of the SC...
The Personnel Security Specialist II will provide essential support to the U.S. Space Force Space Access program managed by the Space Systems Command. You will play a vital role in ensuring mission success by managing personnel security activities, processing clearance requests, and maintaining security education programs for both Government and Contractor personnel.
**Responsibilities include but are not limited to:**
+ Supporting personnel security activities including clearance verifications, visit requests, access badging, and entry access lists via the Defense Information Security System (DISS).
+ Managing the security clearance request process using DISS and National Background Investigation Services (NBIS), including the review of submitted request packages.
+ Assisting the Government in the management of the SC...