Security Clearance Jobs in California

Zachary Piper Solutions is seeking an experienced Site Reliability Engineer (SRE) to support the deployment and sustainment of systems across classified, air-gapped, and government cloud environments ...

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

Date Posted:2026-02-04Country:United States of AmericaLocation:US-CA-GOLETA-H01 ~ 6380 Hollister Ave ~ BLDG H01Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: ...

Responsibilities: Provide pre and post flight office support for NASA/DOD Engine Systems. Support the design and fabrication of product modifications through to field operations. Strong emphasis on ...

Date Posted:2026-02-04Country:United States of AmericaLocation:US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

Position Description & QualificationsAre you a Technical Project Leader looking for a place to make an impact every day? Serco is the place for you! If you love engaging in challenging projects, trav...

Position Description & QualificationsBring your expertise and critical thinking skills to make an impact towards our military defense by your new role supporting complex mission critical projects. Se...

R-00175220Description Make a difference in the lives of our military Service Members and their families with your expertise in counseling and behavioral health – without the fuss of insurance or...

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...

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...

Company Description Join us and make YOUR mark on the World!Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Liverm...

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...

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...

MANTECH seeks a motivated, career and customer-oriented Southern California Tactical Training Range (SCTTR) IT Supervisor to join our team in Naval Air Station (NAS) North Island (NI), Coronado, CA. T...

Description SAIC is seeking a dedicated Network Engineer to join our TACNET CB-ISEA team and permanently support the Enhanced Distance Support (EDS) Team. This is an onsite role at the Naval Informa...

Description SAIC is seeking an experienced Infrastructure Systems Engineer to join our Technical Engineering and Design Department in support of our United States Air Force customer. We have positio...

Description SAIC is seeking an experienced Systems Integration Engineer to join our Technical Engineering and Design Department in support of our United States Air Force customer. We have positions av...

Description SAIC is seeking an experienced Data Ops Engineer to join our Technical Engineering and Design Department in support of our United States Air Force customer. We have positions available i...

Description SAIC is seeking an experienced Systems Administrator to join our Technical Engineering and Design Department in support of our United States Air Force customer. We have positions availab...

Senior Software Engineer to support our Ground Solutions and Mission Support (GSMS) Software (SW) Integrated Project Team (IPT). The SW IPT is a large restricted group executing across both Developmen...