Security Clearance Jobs in California

California

Viewing 1 - 20 of 4,947

Jobs in California requiring security clearance

Senior Wireless Engineer (Aruba)

New
TEKsystems c/o Allegis Group
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Pearl Harbor, HI(On-Site/Office)
San Diego, CA(On-Site/Office)
Norfolk, VA(On-Site/Office)
Posted today
10+ yrs exp
Secret

Senior Wireless Engineer (SME) Location: - The Wireless Engineer can sit out of any naval installation. However, Pearl Harbor (HI), San Diego (CA), and Norfolk (VA) are the preferred locations. Clea...

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System Integration Engineer

New
Lockheed Martin
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El Segundo, CA(On-Site/Office)
Posted today
Top Secret
Not Specified

Job Number 725704BR Description:The coolest job on this planet....or any other....are with Lockheed Martin Space.By bringing together people that use their passion for purposeful innovation, at Lockh...

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Manager, Program Cost Controls HYBRID

New
RTX
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El Segundo, CA(On-Site/Office)
Posted today
Secret
Not Specified

Date Posted:2026-06-03Country:United States of AmericaLocation:US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01Position Role Type:Remote U.S. Citizen, U.S. Person, or Immigration Status Requir...

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Principal Specialist, Global Trade (Remote)

New
RTX
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Sacramento, CA(On-Site/Office)
Posted today
Secret
Not Specified

Date Posted:2026-06-03Country:United States of AmericaLocation:US-CA-REMOTEPosition Role Type:Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a...

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Senior Analyst, Security - Goleta, CA

New
RTX
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Goleta, CA(On-Site/Office)
Posted today
Top Secret
Not Specified

Date Posted:2026-06-03Country:United States of AmericaLocation:US-CA-GOLETA-H02 ~ 6380 Hollister Ave ~ BLDG H02Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: ...

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Senior Embedded Software Engineer, Onsite

New
RTX
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El Segundo, CA(On-Site/Office)
Posted today
Top Secret
Not Specified

Date Posted:2026-06-03Country:United States of AmericaLocation:US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

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Shipboard Electrician - 28768

New
HII Mission Technologies
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San Diego, CA(On-Site/Office)
Posted today
Secret
Not Specified

Requisition Number: 28768 Required Travel: 51 - 75% Employment Type: Full Time/Hourly/Non-Exempt Anticipated Salary Range: $49,289.00 - $62,400.00 Security Clearance: Ability to Obtain Level of Exp...

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Unit Program Support Technician (Administration Generalist 1) -

New
HII Mission Technologies
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Beale Afb, CA(On-Site/Office)
Posted today
Secret
Not Specified

Requisition Number: 28772 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $52,592.00 - $68,500.00 Security Clearance: Secret Level of Experience: Entry...

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UX Designer - Clearance Required

New
LMI
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San Diego, CA(On-Site/Office)
Posted today
Secret
Not Specified

OverviewLMI is seeking an experienced mid-level UX Designer with Human-Centered Design experience to support a DoD digital transformation effort hosted on a DoD-accredited cloud platform in AWS GovClo...

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Systems Engineer / Level 2 - Level 3 (Security Clearance)

New
Kavaliro
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Los Angeles, CA(On-Site/Office)
Posted today
Secret
Not Specified

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 ...

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Physical /Occupational Therapist and Ergonomist

New
Lawrence Livermore National Laboratory
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Livermore, CA(On-Site/Office)
Posted today
DoE Q or L
Not Specified

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...

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Linux Systems Administrator - Active Security Clearance Required

New
Lawrence Livermore National Laboratory
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Livermore, CA(On-Site/Office)
Posted today
DoE Q or L
Not Specified

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...

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Business Operations Lead, Commercial Launch Sales

New
Space Exploration Technologies Corp.
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Hawthorne, CA(On-Site/Office)
Posted today
Intel Agency
Not Specified

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologi...

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Sr. RF Software Engineer (Starshield)

New
Space Exploration Technologies Corp.
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Hawthorne, CA(On-Site/Office)
Posted today
TS/SCI
Not Specified

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologi...

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Software Engineer, Hardware Test & Automation (Starshield)

New
Space Exploration Technologies Corp.
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Hawthorne, CA(On-Site/Office)
Posted today
Secret
Not Specified

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologi...

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Facility Security Officer (FSO)

New
Space Exploration Technologies Corp.
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Hawthorne, CA(On-Site/Office)
Posted today
TS/SCI
Polygraph

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologi...

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Sr. Intelligence Analyst

New
Space Exploration Technologies Corp.
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Hawthorne, CA(On-Site/Office)
Posted today
TS/SCI
Not Specified

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologi...

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Principal AI Engineer, Special Programs

New
Space Exploration Technologies Corp.
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Palo Alto, CA(On-Site/Office)
Posted today
Top Secret
Not Specified

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologi...

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Information System Security Officer

New
Space Exploration Technologies Corp.
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Hawthorne, CA(On-Site/Office)
Posted today
Top Secret
Polygraph

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologi...

S

Mission Integration Engineer, AI (Starshield)

New
Space Exploration Technologies Corp.
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Hawthorne, CA(On-Site/Office)
Posted today
Top Secret
Not Specified

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologi...

S