ClearanceJobs
  • Candidates
  • Employers
  • Hiring Companies
  • News & Career Advice
  • Login
  • Register now

Top Secret / SCI Clearance Jobs in California

Top Secret/SCI California

Viewing 1 - 20 of 405

Top Secret / SCI Jobs in California requiring security clearance

Show:
Sort by:

Acquisition Support IIB

New
SPA
Apply today! Be one of the first candidates to apply for maximum exposure.
San Diego, CA(On-Site/Office)
Updated Today
TS/SCI
Not Specified

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

user avatar

Systems Architect, EW

New
Anduril Industries
Apply today! Be one of the first candidates to apply for maximum exposure.
Costa Mesa, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

user avatar

Security Specialist

New
SAIC
Apply today! Be one of the first candidates to apply for maximum exposure.
Vandenberg Sfb, CA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Description SAIC is seeking a Security Specialist to provide programmatic support to a program within the Program Executive Office's Space Domain Awareness and Combat Power portfolio at Vandenberg S...

user avatar

Personnel Security Specialist

New
Anduril Industries
Apply today! Be one of the first candidates to apply for maximum exposure.
Costa Mesa, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

user avatar

OPIR Analyst

New
Aerospace Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

Director, Photonics Technology Department

New
Aerospace Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

2026 Materials Physics and Evaluation Scientist

New
Aerospace Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

Communication Systems Engineer - Member of the Technical Staff/S

New
Aerospace Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

Space Readiness and Exercise Planner

New
Booz Allen Hamilton
Apply today! Be one of the first candidates to apply for maximum exposure.
Vandenberg Afb, CA(On-Site/Office)
Updated Today
TS/SCI
Not Specified

Job Number: R0231321Space Readiness and Exercise PlannerThe Opportunity: As a defense mission professional, you ask questions others don't. You understand the nuances of complex situations. You use yo...

user avatar

Mid-Level Industrial Security Specialist, Alternate COMSEC Custo

New
Boeing
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Today
TS/SCI
Not Specified

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...

user avatar

Director 1 - Tranche 3 Tracking Layer (T3TRK) Program Manager

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Redondo Beach, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SCITRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revol...

user avatar

Administrative Assistant Level 4

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Redondo Beach, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: SCITRAVEL: NoDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that ...

user avatar

System Engineer for Satellite Operations and Ground Communicatio

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Sunnyvale, CA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Job Number 713121BR Description:LM Space National Security Solutions hasan open position for system engineering support acrossmultiple areas related to the maintenance, operations,and recapitalizatio...

user avatar

Systems Engineer - CONOPS & Mission Operations

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Sunnyvale, CA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Job Number 696858BR Description: National Security Space Remote Sensing - Right for you! Come join Lockheed Martin's Remote Sensing (RS) Engineering Team. This diverse team has been a primary provid...

user avatar

Space Systems Engineer

New
SAIC
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Description SAIC is seeking an experienced Space Systems Engineer to support Space Systems Command Space Domain Awareness and Combat Power (SSC/SZ) portfolio. Position is available in El Segundo, Ca...

user avatar

Principal Director, ISCD Software Integration Office

New
Aerospace Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

Information Systems Security Officer (ISSO)

New
Aerospace Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Yesterday
TS/SCI
Not Specified

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

Satellite Systems Analyst

New
Aerospace Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Los Angeles Afb, CA(On-Site/Office)
Updated Yesterday
TS/SCI
CI Polygraph

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

Model Based Systems Engineer

New
SAIC
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Description SAIC is seeking a Model Based Systems Engineer, specialized in Systems of Systems (SoS) Architectures, in El Segundo, CA, to provide systems engineering, mission architecting and analysi...

user avatar

System of Systems Integration Engineer (TS/SCI)

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Zachary Piper Solutions is seeking an experienced System-of-Systems (SoS) Integration Engineer to support the U.S. Space Force Space Systems Command (SSC). This senior-level role will embed full-time ...

user avatar
ClearanceJobs
  • About Us
  • Support
  • Browse Jobs
  • Security Clearance FAQs
  • AgileATS
  • FedWork
  • Blog
  • Privacy Policy
  • Terms of Service
  • My Privacy Rights
  • Pay My Bill
  • Contact Us
  • EULA
Download on the App StoreGet it on Google Play

© 2025 ClearanceJobs - All rights reserved. ClearanceJobs is a DHI service.