Fullerton, CA

Security Clearance Jobs in Fullerton, CA

Showing 11 Jobs

Research Engineer IV - California

New
Serco Inc.
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CA(On-Site/Office)
Posted today
Secret
Not Specified

Position Description & QualificationsSerco is excited to support the Air Force Modeling and Simulation Support Services (AFMS3) contract. The primary purpose of this contract is to ensure that the Dep...

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Principal Mechanical Engineer - Radar and Sensors

New
RTX
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Fullerton, CA(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-06-23Country:United States of America Location:US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

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Principal Lead Systems Engineer

New
RTX
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Fullerton, CA(On-Site/Office)
Posted 2 days ago
Secret
Not Specified

Date Posted:2026-06-22Country:United States of America Location:US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

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Mechanical Engineer - Radar & Sensors

New
RTX
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Fullerton, CA(On-Site/Office)
Posted 2 days ago
Secret
Not Specified

Date Posted:2026-06-23Country:United States of America Location:US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

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Security Officer Flex Secret Clearance Site

Allied Universal
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Fullerton, CA(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

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Security Officer Patrol Driver Clearance Required

Allied Universal
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Fullerton, CA(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

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Security Driving Patrol Secret Clearance

Allied Universal
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Fullerton, CA(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

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Lead Radar Systems Engineer - Sr. Principal

RTX
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Fullerton, CA(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Date Posted:2026-05-05Country:United States of AmericaLocation:US-CA-FULLERTON-676 ~ 1801 Hughes Dr ~ BLDG 676Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: A...

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Senior Mechanical Engineer

RTX
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Fullerton, CA(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Date Posted:2026-04-28Country:United States of AmericaLocation:US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: T...

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Principal System Security Engineer

22nd Century Technologies, Inc.
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Fullerton, CA(On/Off-Site)
Posted 1 month ago
Secret

Please find below the job details: Title: Principal System Security Engineer Client: Aerospace Location: Fullerton, CA Duration: 6 months CTH Pay Rate...

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Principal System Security Engineer

22nd Century Technologies, Inc.
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Fullerton, CA(On-Site/Office)
Posted 1 month ago
5+ yrs exp
Secret

Title: Principal System Security Engineer Client: Raytheon Location: Fullerton, CA Duration: 6 months CTH Clearance: Secret required Job descrip...

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