IT - Security Jobs in California

Job Category: IT/TechnicalRequisition Number: DATAA002298Apply nowPosting Details Posted: September 28, 2026 Full-Time On-site Locations Showing 1 location Ft. B...

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-B...

Precise Systems delivers integrated, mission-ready solutions that advance warfighter readiness and strengthen our nation's most critical defense programs. Through the power of our combined capabilitie...

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 ...

Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Engineering & Analysis...

The Building People delivers integrated solutions that connect technology, buildings, and people to optimize real estate performance, facility operations, and workforce outcomes. With over 450 contrac...

Zachary Piper Solutions is currently seeking a Cybersecurity Engineer to support a Department of Defense (DoD) customer based in San Diego, CA . This position is a full-time role that will be 100% ons...

Indotronix is seeking an : Onsite Job: Principal Embedded Cryptographic Software Engineer 3 Work Location: San Diego, CA Duration: 12+ Months Contract Work Schedule: 9x80 A Active DoD Secret Clearanc...

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...

Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

AWS Forward Deployed Engineering (FDE) embeds AI engineers directly inside strategic enterprise customers to design, build, and deploy production-grade AI systems. We are looking for a Senior Security...

Information Systems Solutions (ISS) is seeking a Cybersecurity Engineer III to support the NIWC PAC Information Technology Management Support Services contract. The Cybersecurity Engineer III will be ...

About usOne team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape...

Zachary Piper Solutions is seeking a Cybersecurity Engineer III to support a company focused on delivering Information Technology and cybersecurity services for U.S. Navy mission-critical systems and ...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

MANTECH seeks a motivated, career and customer-oriented Information System Security Officer to join our team in San Diego, CA. This is an onsite position.Responsibilities include but are not limited t...

TECHEAD is celebrating over thirty-five years of incredible heritage, talent, and accomplishments! To learn more about TECHEAD, visit us at TECHEAD.com or on Glassdoor. This role maintains cybersec...

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 25% of the TimeDescriptionAt Northrop Grumman, our employees have i...

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredibl...