Security Clearance Jobs in California

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

This position requires an ACTIVE DoD security clearance. Applicants who do not currently hold an active clearance will not be considered.At PMAT, we work on mission critical systems that directly supp...

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incre...

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incre...

Zachary Piper Solutions is seeking a Senior Ground Systems Engineer to support a company focused on advanced defense communications, command & control systems, and mission operations. This position is...

Required Skills & Experience - Active TS/SCI - Bachelors degree in engineering or related field with 2+ years of applicable experience - Ability and interest in living/working CONUS or OCONUS for min...

Job Number 11481 Standard Job Description Who We AreThe Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team th...

Job Number 7741 Standard Job Description Who We AreLockheed Martin Skunk Works is seeing a world-class engineering leader to drive the Ground Vehicle Management System (GVMS) software effort. GVMS de...

Job Number 11482 Standard Job Description The Skunk Works®, also known as the Advanced Development Programs (ADP), Line of Business is seeking a Senior Portfolio Business Manager to add to its se...

Date Posted:2026-09-09Country: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...

Date Posted:2026-09-09Country:United States of America Location:US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

Date Posted:2026-09-09Country:United States of America Location:US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

Date Posted:2026-09-09Country: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 11680 Standard Job Description Directs the architecting and designing of Radio Frequency systems and circuitry. Coordinates subordinate employee recruitment, selection and training, perfor...

Job Description OverviewWorking across the globe, V2X builds smart solutions designed to integrate physical and digital infrastructure from base to battlefield. We bring 120 years of successful missio...

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...

Start Date: Immediate JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform named Aether Aerospace focused on delivering high-impact technologies, technology-enabled servi...

Start Date: Immediate JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform named Aether Aerospace focused on delivering high-impact technologies, technology-enabled servi...

Start Date: Immediate JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform named Aether Aerospace focused on delivering high-impact technologies, technology-enabled servi...