Security Clearance Jobs in California

Job Number: R0250384Software Developer, SeniorThe Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking ...

Senior Hardware & Production Engineer IMB - Centennial, ColoradoThis position requires an ACTIVE DoD security clearance. Applicants who do not currently hold an active clearance will not be consid...

Date Posted:2026-10-09Country:United States of America Location:US-CA-FULLERTON-611 ~ 1801 Hughes Dr ~ BLDG 611 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

R-00194260Description Leidos' Corporate Information Security Office, reporting through the Digital Sector, is seeking an Information System Security Engineer to support various information systems...

R-00194226Description NGEN is the largest IT services program for the Navy. Under the Service Management, Integration, and Transport (SMIT) portion of NGEN, the Leidos team will deliver the core backb...

Date Posted:2026-10-09Country:United States of America Location:US-CA-FULLERTON-611 ~ 1801 Hughes Dr ~ BLDG 611 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

Description SAIC is seeking a Senior Principal Cybersecurity Engineer to support critical Navy communication systems within the DoD. This role is ideal for a hands-on security professional with deep...

Description SAIC is seeking a skilled and motivated Mid-Level Integration Engineer to join our team. In this role, you will play a critical role in verifying, testing, troubleshooting, and debugging...

Description SAIC is seeking a Senior Software Technical Writer to maintain program documents including but not limited to the training documentation including the How-to-Guides and System User Manua...

Description SAIC is looking for a Senior Software Engineer for a position located in San Diego, CA. The candidate will be required to have a high level experience in JavaScript, React, Linux (RHEL),...

Date Posted:2026-10-09Country:United States of America Location:US-CA-SAN DIEGO-SD1 ~ 8650 Balboa Ave ~ SAN ANTONIO BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Req...

Date Posted:2026-10-09Country:United States of America Location:US-CA-FULLERTON-611 ~ 1801 Hughes Dr ~ BLDG 611 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

Date Posted:2026-10-09Country:United States of America Location:US-CA-SAN DIEGO-SD1 ~ 8650 Balboa Ave ~ SAN ANTONIO BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Req...

Job Number 18906 Standard Job Description Performs assignments in technical/engineering organizations (e.g., Electronics Engineering, Software Engineering, Facilities Engineering, Manufacturing Engin...

Company Description Join us and make YOUR mark on the World!Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthe...

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

Senior Computer Systems Architect 3 CLEARANCE TYPE: Interim Secret upon start, full Secret once process is completed TRAVEL: Yes, 10% of the Time Description Our pioneering and inventive spirit has...