Counterintelligence jobs in California

Vandenberg Space Force Base, California

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Today

Job ID: 2614933 Location: Vandenberg SFB, CA, US Date Posted: 2026-07-24 Category: Security Subcategory: Security Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is looking for several Activity Security Representatives. The Activity Security Representative's primary function is to provide multi-disciplined security support to a customer's facility and or

Full-time

USD 120,001.00 - 160,000.00 per year

Sr. Classified Cyber Assurance Analyst

Hawthorne, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. CLASSIFIED CYBER ASSURANCE ANALYST SpaceX is seeking a senior classified cyber assurance practitioner to drive the SpaceX classified cyber assurance program forward. The program focuses on three major areas: Asses

Full-time

USD 130,000.00 - 180,000.00 per year

Classified Cyber Assurance Analyst

Hawthorne, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. CLASSIFIED CYBER ASSURANCE ANALYST SpaceX is seeking a classified cyber assurance practitioner to drive the SpaceX classified cyber assurance program forward. The program focuses on three major areas: Assessment: Asse

Full-time

USD 85,000.00 - 115,000.00 per year

Information System Security Manager

Hawthorne, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. INFORMATION SYSTEM SECURITY MANAGER SpaceX is seeking a classified cyber assurance practitioner to drive the SpaceX classified cyber assurance program forward. The program focuses on three major areas: Assessment: Ass

Full-time

USD 85,000.00 - 115,000.00 per year

Information System Security Officer

Hawthorne, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. INFORMATION SYSTEM SECURITY OFFICER SpaceX is seeking a classified cyber assurance practitioner to drive the SpaceX classified cyber assurance program forward. The program focuses on three major areas: Assessment: As

Full-time

USD 85,000.00 - 115,000.00 per year

Power Platform Developer

Remote

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Today

Job ID: 2615511 Location: Remote Work, VA, US Date Posted: 2026-08-10 Category: Information Technology Subcategory: Knowl/Collab Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_REMOTE Description Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities

Full-time

USD 120,001.00 - 160,000.00 per year

Project Manager - Remote (Top Secret cleared)

Remote or Reston, Virginia

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5d ago

The Work: ICF is seeking an experienced and driven Project Manager to lead and oversee mission-critical initiatives in support of the Defense Counterintelligence and Security Agency (DCSA). If you are a strategic leader with a strong background in federal program management and a passion for delivering high-quality results in a complex consulting environment, this may be the right opportunity for you. Job Location: Although this position is remote, the candidate needs to live in the Washington

Full-time

USD 119,323.00 - 245,448.00 per year

Personnel Security Specialist

Los Angeles, California

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Today

ManTech seeks a motivated, career and customer-oriented Personnel Security Specialist II to join our team in El Segundo, CA. The Personnel Security Specialist?s primary function is to handle personnel security functions in support of the customer?s facility and organization. The position will provide "day-today" PERSEC services for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities. Responsibilities include but are not limited to: Build and Mainta

Full-time

Information Systems Security Officer

Lompoc, California

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Today

MANTECH seeks a motivated, career, and customer-oriented Information Systems Security Officer (ISSO) - I to join our team in the Vandenberg Space Force Base, CA area. In this role, you will provide critical day-to-day security support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities supporting SSC and AFSPC mission areas. Responsibilities Review, prepare, and update AIS accreditation packages and Body of Evidence documentation.Perform AIS se

Full-time

Cyber System Security Engineer

El Segundo, California

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Today

MANTECH seeks a motivated, career and customer-oriented Cybersecurity System Security Engineer (CSSE) - to join our team in El Segundo, CA. In this role, you will provide critical support within Special Access Programs (SAPs) supporting SSC and AFSPC acquisition programs. You will deliver daily technical support across Collateral, Sensitive Compartmented Information (SCI), and SAP activities to ensure systems meet essential NIST Cybersecurity requirements for system assessment and authorizatio

Full-time

Information Technology Assurance Specialist

Vandenberg Space Force Base, California

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Today

MANTECH seeks a motivated, career and customer-oriented Information Technology/Assurance Specialist - I to join our team at Vandenberg Space Force Base in Lompoc, CA. This role supports Special Access Programs (SAPs) within SSC and AFSPC Operational Units, providing critical "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities in a full-time, on-site environment. Responsibilities You will help ensure the operational integr

Full-time

Network Systems Administrator

El Segundo, California

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Today

MANTECH seeks a motivated, career, and customer-oriented Network System Administrator (NSA) - I to join our team in El Segundo, CA. You will provide day-to-day support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities supporting SSC Directorates and/or AFSPC Operational Units in a full-time, on-site environment. Responsibilities: Install, maintain, audit, and support a secure MS Windows network environment and limited web/data application se

Full-time

Optics Engineer

Remote or Westford, Massachusetts

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Today

At Materion, everyone is included, respected and offered opportunity to grow. Join us! Materion is seeking a Thin Film Engineer to join our rapidly growing Precision Optics and Thin Film Coatings team located in Westford, MA. Thin Film Engineers will be exposed to optical coating design, generation of detailed manufacturing plans and maintenance of existing PVD processes. Ideal candidates must possess strong technical skills, the ability to perform complex problem solving, and a passion for con

Full-time

USD 77,200.00 - 101,325.00 per year

Launch Systems Engineer

El Segundo, California

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Today

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Launch Systems Engineer with extensive expertise in classified weapon system launch planning, processing, and execution, as well as space vehicle engineering, design, integration, and test. This position supports a U.S. Space Force (USSF) program office responsible for developing, integrating, testing, and launching advanced space systems. Work will be performed in secure government environments supporting highly sensitive and missi

Full-time

USD 170,000.00 - 215,000.00 per year

Program Security Representative II

Patterson, California

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11d ago

*This position requires a TS/SCI Clearance and Special Access Program Experience* At System High Corporation-a Top Washington-Area Workplace (The Washington Post, 2023-2025), a Top Workplaces Culture Excellence honoree (April 2025), and a three-time VETS Indexes 3-Star Employer-we protect and advance the nation's most critical missions. As part of our team, you'll tackle complex security challenges across SAP, SCI, and Collateral programs. If you're driven by national security, innovation, and i

Full-time

Activity Security Representative III

Patterson, California

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3d ago

*This position requires a TS/SCI Clearance and a minimum of two years of Special Access Program Experience* At System High Corporation-a Top Washington-Area Workplace (The Washington Post, 2023-2025), a Top Workplaces Culture Excellence honoree (April 2025), and a three-time VETS Indexes 3-Star Employer-we protect and advance the nation's most critical missions. As part of our team, you'll tackle complex security challenges across SAP, SCI, and Collateral programs. If you're driven by national s

Full-time

Activity Security Representative III

Patterson, California

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9d ago

Full-time

Power Platform Developer

Remote

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Today

Job ID: 2614415 Location: Remote Work, VA, US Date Posted: 2026-07-09 Category: Information Technology Subcategory: Knowl/Collab Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Top_Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_REMOTE Description Introduction Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterpris

Full-time

USD 120,001.00 - 160,000.00 per year

Information System Security Officer (ISSO)

Torrance, California

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Today

About the job Information System Security Officer (ISSO) About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Information System Security O

Full-time

Senior Systems Engineer

El Segundo, California

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Today

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Sr Systems Engineer with deep expertise in classified space control systems engineering processes, including requirements development, configuration management, and government Deficiency Review (DR) board execution. This position supports a U.S. Space Force (USSF) program office responsible for developing, integrating, testing, and transitioning advanced space control capabilities across space, ground, and command-and-control (C2) m

Full-time

USD 180,000.00 - 220,000.00 per year

Counterintelligence jobs in California, USA