Location
El Segundo, CA, United States
Posted
July 27, 2026
Job Description
MANTECH seeks a motivated, career and customer-oriented **SCI Security Specialist I** to join our team in **El Segundo, CA** .
This role supports the local Special Security Office (SSO) in managing day-to-day Collateral and Sensitive Compartmented Information (SCI) activities to protect critical national security assets.
**Responsibilities**
+ Formulate local policies, plans, and procedures required to manage SCI protection functions in strict accordance with DoD, DNI, and Air Force regulations.
+ Maintain and update the SCI Billet Structure (SCIBS) and Joint Personnel Adjudication System (JPAS) records for over 1,000 indoctrinated personnel.
+ Review eligibility requests, conduct screening interviews, perform indoctrination briefings, and issue facility badge access.
+ Investigate security incidents alongside the SSO and ISSM, coordinate with higher headquarters for tracking numbers, and guide Inquiry Officials through the resolution process.
...
This role supports the local Special Security Office (SSO) in managing day-to-day Collateral and Sensitive Compartmented Information (SCI) activities to protect critical national security assets.
**Responsibilities**
+ Formulate local policies, plans, and procedures required to manage SCI protection functions in strict accordance with DoD, DNI, and Air Force regulations.
+ Maintain and update the SCI Billet Structure (SCIBS) and Joint Personnel Adjudication System (JPAS) records for over 1,000 indoctrinated personnel.
+ Review eligibility requests, conduct screening interviews, perform indoctrination briefings, and issue facility badge access.
+ Investigate security incidents alongside the SSO and ISSM, coordinate with higher headquarters for tracking numbers, and guide Inquiry Officials through the resolution process.
...