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Security Clearance Jobs in California

California

Viewing 1 - 20 of 5,199

Jobs in California requiring security clearance

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2026 Full-time - Real-time Embedded Software Engineer - Onsite (

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

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...

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Cybersecurity Analyst – ISSO Support / Threat & SOC Monitoring

New
PeopleTec
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San Miguel, CA(On-Site/Office)
Posted today
Secret
None

Opportunity PeopleTec is currently seeking a Cybersecurity Analyst - ISSO Support / Threat & SOC Monitoring to support our Camp Roberts ( San Miguel, California) location. The Local Defender is a cri...

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Loads Flight Test Engineer - Level 4

New
Lockheed Martin
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Edwards Air Force Base, CA(On-Site/Office)
Posted today
Secret
Not Specified

Job Number 707505BR Description:We are Lockheed Martin Candidate will lead and supervise a small team of Structural Compatibility Discipline Engineers in the pursuit of F-35 Envelope Expansion and Fl...

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Senior Financial Analyst - Financial Reporting

New
Kratos Defense and Security Solutions
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San Diego, CA(On-Site/Office)
Posted today
DoE Q or L
None

Job Description Kratos is seeking a Senior Financial Analyst - Financial Reporting to join the Corporate team at their San Diego location. This position is an onsite position with the potential for a ...

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Hardware Engineer

New
Kratos Defense and Security Solutions
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San Diego, CA(On-Site/Office)
Posted today
Secret
Not Specified

Job Description Kratos Defense and Rocket Support Service is seeking an enthusiastic, versatile, and resourceful Hardware Engineer to work in San Diego, CA. You will be a member of a small team at a U...

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ITO Division Administrative Specialist

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!Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Liverm...

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Network Administrator IV

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

MANTECH seeks a motivated, career and customer-oriented Network Administrator IV to join our team in MCB Camp Pendleton, Oceanside, CA. This position is on-site 5 days a week. Responsibilities incl...

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Network Administrator IV

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

MANTECH seeks a motivated, career and customer-oriented Network Administrator IV to join our team in MCB Camp Pendleton, Oceanside, CA. This position is on-site 5 days a week. Responsibilities inclu...

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Command and Control Subject Matter Expert

New
SAIC
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Camp Pendleton, CA(On-Site/Office)
Posted today
Secret
Not Specified

Description SAIC is seeking a Command and Control Subject Matter Expert at our Marine Air-Ground Task Force (MAGTF) Command and Control (C2) Systems & Applications Sustainment Support program at Mar...

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Chief Architect

New
JANUS Research Group, LLC
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Los Angeles, CA(On-Site/Office)
Posted today
TS/SCI
Not Specified

This position is contingent upon contract award. Candidates must have an active TS/SCI clearance and verify, before applying, that you meet the minimum requirements of the position. Target salary r...

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Chief Systems Engineer

New
JANUS Research Group, LLC
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Los Angeles, CA(On-Site/Office)
Posted today
TS/SCI
Not Specified

This position is contingent upon contract award. Candidates must have an active TS/SCI clearance and verify, before applying, that you meet the minimum requirements of the position. Target salary r...

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BASE SERVICES MANAGER

New
Department of the Air Force
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Beale Afb, CA(On-Site/Office)
Posted today
Secret
Not Specified

DutiesTHIS IS A T5 EXCEPTED SERVICE, PERMANENT POSITION. The primary purpose of the BASE SERVICES MANAGER, GS-0301-11, is to evaluate, plan, organize, and direct Base Services functions in support of...

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SUPERVISORY SECURITY SPECIALIST

New
Department of Defense
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Monterey, CA(On-Site/Office)
Posted today
Top Secret
Not Specified

Duties Help You will be thoroughly familiar with SECNAV and other related security instructions in order to manage and enforce security policies and procedures at the command. You will serve as the ...

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POLICE OFFICER

New
Department of Defense
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Bridgeport, CA(On-Site/Office)
Posted today
Secret
Not Specified

Duties Help You will respond to emergency calls, complaints and other calls for service during watch; respond to and conduct preliminary investigations relating to incidents aboard installations. Yo...

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SEXUAL ASSAULT RESPONSE COORDINATOR

New
Department of Defense
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Camp Pendleton, CA(On-Site/Office)
Posted today
Secret
Not Specified

Duties Help You will serve as the Sexual Assault Response Coordinator for sexual assaults reported within the Navy and/or Marine Corps command, base, or installation. You will assign, monitor, manag...

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Railroad Repairer

New
Department of Defense
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Concord, CA(On-Site/Office)
Posted today
Secret
Not Specified

Duties Help Conduct inspections of approximately 42 miles of railroad track and associated appurtenances to identify deviations in cross-level, gage, profile, and alignment. Investigate railroad acc...

D

IT SPECIALIST (INFOSEC)

New
Department of Defense
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Port Hueneme, CA(On-Site/Office)
Posted today
Secret
Not Specified

Duties Help You will serve as the Technical Lead of the Littoral Combat Ship (LCS) Total System Computing Environment (TSCE). You will provide hardware engineering/technical support to LCS TSCE. You...

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POWERED SUPPORT SYSTEMS MECHANIC

New
Department of Defense
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Naval Air Station San Diego, CA(On-Site/Office)
Posted today
Secret
Not Specified

Duties Help You will troubleshoot repairs, modify, and test a variety of mechanical, electrical, hydraulic, pneumatic, and air conditioning aviation ground support units. You will disassemble variou...

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Railroad Repairer

New
Department of the Army
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Concord, CA(On-Site/Office)
Posted today
Secret
Not Specified

Duties Conduct inspections of approximately 42 miles of railroad track and associated appurtenances to identify deviations in cross-level, gage, profile, and alignment. Investigate railroad accidents ...

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MECHANICAL ENGINEER

New
Department of Defense
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Naval Air Station San Diego, CA(On-Site/Office)
Posted today
Secret
Not Specified

Duties Help You will serve in a developmental capacity within the Facilities Infrastructure Management Department. You will provide specialized mechanical engineering support for industrial HVAC, ch...

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