Security Clearance Jobs in Fullerton, CA

Fullerton, CA

Viewing 1 - 18 of 18

Jobs in Fullerton, CA requiring security clearance

Mechanical Engineer I (Onsite)

New
RTX
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Fullerton, CA(On-Site/Office)
Posted 6 days 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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Senior Mechanical Engineer

New
RTX
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Fullerton, CA(On-Site/Office)
Posted 6 days 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

New
22nd Century Technologies, Inc.
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Fullerton, CA(On/Off-Site)
Posted 1 week 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

New
22nd Century Technologies, Inc.
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Fullerton, CA(On-Site/Office)
Posted 1 week 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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Principal System Security Engineer

New
Innova Solutions, Inc.
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Fullerton, CA(On-Site/Office)
Posted 1 week ago
5+ yrs exp
Secret

A client of Innova Solutions is immediately hiring for a Principal System Security Engineer Position type: Full Time, Contract Duration: 12 Months Location: Fullerton, CA As a Principal System Secur...

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Senior Systems Security Engineer - Cyber Engineer

New
Butler Aerospace & Defense
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Fullerton, CA(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

Senior Systems Security Engineer - Cyber Engineer Location: Fullerton, CA Job ID: #72468 Pay Range: $70-81 Seeking a well-qualified Senior Systems Security Engineer - Cyber Engineer (P3) to join ...

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Principal System Security Engineer

New
Butler Aerospace & Defense
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Fullerton, CA(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

Principal System Security Engineer Location: Fullerton, CA Job ID: #72469 Pay Range: $80-92 Seeking a well-qualified Principal System Security Engineer (P4) to join our elite Systems Security E...

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Senior Systems Security Engineer job opportunity at Fullerton, C

Indotronix International Corp
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Fullerton, CA(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

Indotronix is seeking a Senior Systems Security Engineer for a Job Opportunity in Fullerton, CAJob Title: Senior Systems Security Engineer - Cyber Engineer Location: Fullerton, CA 92833 Duration: 6 Mo...

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Principal System Security Engineer

Indotronix International Corp
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Fullerton, CA(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

Principal System Security Engineer Location: Fullerton, CA | 6-Month Contract | $101/hr (W2) | Active Secret Clearance RequiredAbout the Role Join Indotronix's elite Systems Security Engineering (SSE)...

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Senior Software Engineer - RDPL, Onsite

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

Date Posted:2026-04-22Country: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: A...

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Sentinel LCCS Project Management Analyst

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

Date Posted:2026-04-21Country: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: T...

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Senior RF Engineer

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

Date Posted:2026-04-21Country: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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Security Officer Patrol Driver Secret Clearance Site

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

Overview Allied 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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Sentinel Programs Lead

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

Date Posted:2026-04-06Country: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: A...

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Principal Mechanical Engineer - Radar and Sensors

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

Date Posted:2026-03-31Country: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 Administrators

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

Date Posted:2026-03-11Country: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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Principal System Security Engineer - P4 (Onsite-Fullerton, CA)

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

Date Posted:2026-02-27Country: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: A...

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Senior Mechanical Engineer - Radar & Sensors

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

Date Posted:2026-02-16Country: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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