Security Clearance Jobs in California

Mission Command Information Systems (MCIS) Trainer Clearance: Active SECRET Clearance ( US Citizenship Required) Location: Ft. Wainwright, AK Job Function: Plans, coordinates, and executes individua...

Project Manager (ISR Acquisitions)Springfield, VAApplyAssertive Professionals is seeking a ProjectManagersupporting our National Security Customer in Springfield, VA. This is an openposition. This is ...

Date Posted:2026-10-29Country:United States of America Location:US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Req...

Date Posted:2026-10-29Country:United States of America Location:US-CA-EL SEGUNDO-R02 ~ 1970 E Imperial Hwy ~ BLDG R02 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

Job Number 17406 Standard Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of pos...

Job Number 19311 Standard Job Description Lockheed Martin COOLR program at Sunnyvale is seeking a summer intern for 2027 with a strong interest in Science, Technology, Engineering, and Mathematics (S...

Job Number 20685 Standard Job Description As an AI/ML Research Engineer, you will work with guidance from project leaders and technical leads to:Develop, integrate, and implement products to assist a...

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...

R-00195837Description Ready to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We e...

R-00195837Description Ready to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We e...

R-00195737Description 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...

R-00195760Description Unleash Your PotentialAt Leidos, we deliver innovative solutions through the efforts of diverse and talented people who are dedicated to our customers’ success. We empower ...

R-00195763Description The SMIT-MCEN program for Leidos currently has an opening for a Communications Network Engineer Mid to work at Camp Pendleton, CA. This is an exciting opportunity to use your exp...

R-00195757Description Leidos is looking to hire a System Administrator Senior in Camp Pendleton, CA to join our SMIT program. The qualified candidate will coordinate the operational support and implem...

R-00195795Description Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. The Electronic Warfare Divison at Leid...

R-00195578Description Ready to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We e...

R-00195578Description Ready to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We e...

R-00195578Description Ready to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We e...

R-00193322Description At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contrib...

R-00193322Description At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contrib...