Security Clearance Jobs in Fullerton, CA
AV Spooky Spirits Mixer
AV, Inc.Annapolis Junction, MD
TS/SCI Full Scope Polygraph
No spooky interview panels, just craft pints and meaningful conversations.
Unmask your next career move in a relaxed, casual setting.
Join AV at Notch 8 Brewery for an evening of craft pints, good f...
PromotedPosted 6 days ago
Senior Systems Engineer
MAXISIQ, Inc.Quantico, VA
Top Secret Not Specified 10+ yrs exp
Company Description:Since 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of ...
PromotedPosted 5 days ago
Software Engineer II, Onsite
RTXFullerton, CA
Public Trust Not Specified $75,800 - $144,200 / yr
Date Posted:2026-09-30Country: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...
Posted 5 days ago
Senior Software Engineer - RDPL, Onsite
RTXFullerton, CA
Public Trust Not Specified $95,500 - $181,700 / yr
Date Posted:2026-09-28Country: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...
Posted 1 week ago
Sentinel System Engineer II
RTXFullerton, CA
Public Trust Not Specified $75,800 - $144,200 / yr
Date Posted:2026-09-25Country:United States of America Location:US-CA-FULLERTON-677 ~ 1801 Hughes Dr ~ BLDG 677 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...
Posted 1 week ago
Public Trust Not Specified $145,600 - $276,800 / yr
Date Posted:2026-09-28Country: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...
Posted 1 week ago
Sentinel-NASAMS Sustainment Program Manager
RTXFullerton, CA
Public Trust Not Specified $118,300 - $224,900 / yr
Date Posted:2026-09-22Country: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...
Posted 1 week ago
Chief Product Owner (CPO)
RTXFullerton, CA
Public Trust Not Specified $145,600 - $276,800 / yr
Date Posted:2026-09-21Country: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...
Posted 2 weeks 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 ...
Posted 2 weeks ago
Public Trust Not Specified $95,500 - $181,700 / yr
Date Posted:2026-09-14Country: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...
Posted 3 weeks ago
Public Trust Not Specified $95,500 - $181,700 / yr
Date Posted:2026-08-11Country: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...
Posted 1 month ago
Principal Radar Systems Engineer
RTXFullerton, CA
Public Trust Not Specified $118,300 - $224,900 / yr
Date Posted:2026-08-04Country: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...
Posted 2 months ago
Secret Not Specified $118,300 - $224,900 / yr
Date Posted:2026-07-15Country: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...
Posted 2 months ago
Secret
Please find below the job details:
Title: Principal System Security Engineer
Client: Aerospace
Location: Fullerton, CA
Duration: 6 months CTH
Pay Rate...
Posted 5 months ago
Secret 5+ yrs exp
Title: Principal System Security Engineer
Client: Raytheon
Location: Fullerton, CA
Duration: 6 months CTH
Clearance: Secret required
Job descrip...
Posted 5 months ago