Information Systems Security Engineer Jobs in California

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Scientist, Systems Engineer (Space Vehicle)

L3Harris Technologies

San Diego, California, USA

Full-time

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 for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

System Engineer IT and Security

Lockheed Martin Corporation

Sunnyvale, California, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio

Model-Based Systems Engineer

BOOZ, ALLEN & HAMILTON, INC.

El Segundo, California, USA

Full-time

Model-Based Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact in leveraging model-based systems engineering ( MBSE ) ? You comprehend your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. As a Systems Engineer on our t

Systems Design Engineer

Booz Allen Hamilton

El Segundo, California, USA

Full-time

Job Number: R0222732 Systems Design Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact on modernizing position, navigation and timing systems? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer focused engineering solution. As a systems e

Principal Engineer Software (AI Security Cloud)

PaloAlto Networks

Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Tactical Networks Systems Engineer

BOOZ, ALLEN & HAMILTON, INC.

San Diego, California, USA

Full-time

Tactical Networks Systems Engineer The Opportunity: A well-designed network is critical to move data and enable our Department of Navy (DoN) and Department of Defense (DoD) clients to achieve their missions, but how can an organization make sure their network will fit their current and evolving needs? Crafting the right network, with the right equipment and software, requires a combination of technical skill and careful planning. That's why we need you, an experienced Network DevOps Engineer wh

Sr Staff Engineer Software (AI Security Cloud)

PaloAlto Networks

Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Database Design Engineer for cArmy Systems

General Dynamics

Remote or Orlando, Florida, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Engineering, or a related Science or Mathematics field. Also requires 2+ years of job-related experience or a Master's degree. CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed with

Senior Engineer Software (L7 Security)

PaloAlto Networks

Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Principal Engineer Software (L7 Security)

PaloAlto Networks

Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Tactical Networks Systems Engineer

Booz Allen Hamilton

San Diego, California, USA

Full-time

Job Number: R0222901 Tactical Networks Systems Engineer The Opportunity: A well-designed network is critical to move data and enable our Department of Navy (DoN) and Department of Defense (DoD) clients to achieve their missions, but how can an organization make sure their network will fit their current and evolving needs? Crafting the right network, with the right equipment and software, requires a combination of technical skill and careful planning. That's why we need you, an experienced Netwo

Mission Operations and Integration Systems Engineer

BOOZ, ALLEN & HAMILTON, INC.

El Segundo, California, USA

Full-time

Mission Operations and Integration Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in modernizing position, navigation and timing systems? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer focused engineering solution. As a sy

Security Engineer

Secur-Serv

Remote

Full-time

As a SIEM Engineer at Cortex XSIAM, your main duties will involve aiding in customers' log migration and detection plans. Working alongside the technical lead, you will ensure the integration of all necessary log sources into XSIAM using industry standards and meeting client specifications. Your role will also require devising effective detection strategies, utilizing correlation rules to safeguard clients from potential threats. Over six years of experience in implementing and integrating Secu

Mission Operations and Integration Systems Engineer

Booz Allen Hamilton

El Segundo, California, USA

Full-time

Job Number: R0222653 Mission Operations and Integration Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in modernizing position, navigation and timing systems? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer focused engineeri

Launch Integration Systems Engineer

BOOZ, ALLEN & HAMILTON, INC.

El Segundo, California, USA

Full-time

Launch Integration Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in modernizing position, navigation and timing systems? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer focused engineering solution. As a systems engineer o

Lead Data Security Engineer

Centene Corporation

California, USA

Full-time

You could be the one who changes everything for our 28 million members by using technology to improve health outcomes around the world. As a diversified, national organization, Centene's technology professionals have access to competitive benefits including a fresh perspective on workplace flexibility. Position Purpose: This role will support the Threat Infrastructure Security tools in the Centene environment. This role's focus will be Data engineering/science for a Security Data Lake and auto

Software Engineer, Frontend - UI Systems Team

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Software Security Engineer (Multiple Levels)

Qualcomm Technologies

San Diego, California, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: We are looking for a passionate and skilled software engineer to provide software engineering solutions for development projects in the Secure Systems Group. In this position, you will work with a team of multi-disciplined professionals to develop QTI security solutions. The position will require you to work on all software layers of the device architecture, including u

Sr Quality Assurance Engineer - Transportation Systems

Publix

Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp

IT Systems Engineer Senior

SAIC

San Diego, California, USA

Full-time

Job ID: 2508122 Location: SAN DIEGO, CA, US Date Posted: 2025-07-31 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: Yes Description SAIC is seeking cleared IT Systems Engineer and Network Administrator to lead the deployment, configuration, and sustainment of secure, mission-critical infrastructu