270 defense contractor national defense jobs found in El Segundo, CA

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Technical Support Services Job Description: Transform technology into opportunity as a Service Desk Technician with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As a Service Desk Technician, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Service Desk Technician joining our team to deliver cost-effective, next-generation IT solutions and services to the Department of Defense, the intelligence community, and federal civilian agencies as they modernize their information systems. HOW A SERVICE DESK TECHNICIAN WILL MAKE AN IMPACT: Provides technical support and...

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Contract Management Job Description: Apply your expertise to advance the mission and optimize our business strategy as a Property Administrator at GDIT. Here, you’ll support solving some of our clients’ biggest challenges and help us grow the business. At GDIT, people are our differentiator. As a Property Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on Property Administrator joining our team to support our government client’s activities in their locations. As a Property Administrator manages government property and assets in accordance with contract requirements, approved procedures, and government regulations. Property Administrator is responsible for the oversite of contract property team, customer...

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Intelligence Operations and Analysis Job Description: We are GDIT. We support and secure some of the nation’s most complex government, defense, and intelligence missions. Our work has impact—on national security, our Intelligence Community (IC) partners, and on each of us who contribute to the mission. This role requires an onsite presence in the Los Angeles area and an active TS/SCI with Polygraph at the time of application. Due to the nature of the work, we’re only able to move forward with candidates who already meet both requirements. Key Responsibilities The CI Investigator conducts a wide range of counterintelligence inquiries focused on identifying and addressing insider threats. In this role, you will: • Analyze information from...

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Description: We are seeking a highly skilled COMSEC and Network Engineer to lead the integration and management of secure communications within a classified Azure Cloud environment. This role is critical in bridging the gap between traditional cryptographic hardware and modern software-defined networking in a high-stakes, multi-domain mission space. You will be responsible for the end-to-end security of data in transit, ensuring that our classified cloud infrastructure meets all regulatory requirements while maintaining peak operational performance. Key Responsibilities Cryptographic Architecture: Design and implement Secure Communications (COMSEC) solutions across classified Azure environments (IL5/IL6), ensuring compliance with NSA...

Engineering Technician (Destructive Physical Analysis) Engineering El Segundo, CA true Sep 16, 2026 Engineering Technician Location: El Segundo, CA Job ID: #73178 Pay Range: $37-41 ph (W2) Duration:  6 - 12 mos The Failure Analysis Team is seeking a Destructive Physical Analysis (DPA) Technician/Analyst to support evaluation of electrical and mechanical components and printed wiring boards (PWBs). This role focuses on determining compliance with military, space, and industry standards to ensure components meet program requirements.   The ideal candidate has some general experience in a laboratory environment and is comfortable using common lab tools such as microscopes, hand tools, and basic chemical handling equipment. Attention to detail, clear documentation skills, and a willingness to learn new tools and methods are essential. Familiarity with interpreting specifications and engineering drawings, as well as...

Title: Enterprise Requirements and Integration Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking an Enterprise Requirements and Integration Engineer to join our team in El Segundo, CA or Colorado Springs, CO. KBR (formerly LinQuest) is the prime contractor on the MSEIT contract. You will join a systems engineering team defining the next generation of space communication systems supporting US Space Force (USSF) satellite communications. You will support Systems Engineering & Integration (SE&I) activities in a multidisciplinary and collaborative environment. You will provide senior-level enterprise systems engineering and technical leadership for SATCOM...

Title: Training and Instructional Systems Specialist Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking a Training and Instructional Systems Specialist to join our team in El Segundo, CA. KBR is the prime contractor on the Military Satellite Communications (MILSATCOM) Systems Engineering, Integration and Test (MSEIT) contract. By applying to this position, you are in consideration for KBR employment. The MSEIT effort provides leading edge Systems Engineering & Integration (SE&I) for the Space Force’s Space Systems Command (SSC). We acquire state of the art Military and Commercial Satellite Communications (SATCOM) systems, providing global secure, survivable, and...

Title: Enterprise SATCOM Systems Subject Matter Expert – Training System Requirements Analysis Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking an experienced Enterprise Satellite Communications (SATCOM) Systems Subject Matter Expert (SME) to support the Evolved Strategic SATCOM (ESS) Training System Requirements Analysis (TSRA) effort in El Segundo, California.  KBR is the prime contractor on the Military Satellite Communications (MILSATCOM) Systems Engineering, Integration and Test (MSEIT) contract.  By applying to this position, you are in consideration for KBR employment. The MSEIT effort provides leading edge Systems Engineering & Integration (SE&I) for the Space...

Title: Training Systems Requirements Analysis (TSRA) Lead Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking a Training Systems Requirements Analysis (TSRA) Lead to join our team in El Segundo, CA. KBR is the prime contractor on the Military Satellite Communications (MILSATCOM) Systems Engineering, Integration and Test (MSEIT) contract. By applying to this position, you are in consideration for KBR employment. The MSEIT effort provides leading edge Systems Engineering & Integration (SE&I) for the Space Force’s Space Systems Command (SSC). We acquire state of the art Military and Commercial Satellite Communications (SATCOM) systems, providing global secure, survivable,...

Title: Configuration Management Specialist Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR (formerly LinQuest) is the prime contractor on the MSEIT contract. By applying to this position, you are in consideration for KBR employment. However, you also have the option to be hired by one of our subcontractor teammates. KBR is seeking a Configuration Management Specialist to join our team in El Segundo, CA. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the US Space Force’s Space Systems Center (SSC). We support the Space Force’s acquisition of state of the art satellite communications...

Title: Acquisition Specialists – Space Systems Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. Why Join Us? Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. This is a contingent position based upon contract award Acquisition Specialists -...

Title: Network IT Manager Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. Why Join Us? Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. This is a contingent position based upon contract award Job Description :  KBR is seeking a highly...

Title: Project Manager (Acquisition Advisory) Project Manager– Acquisition & Program Advisory (Space Systems Command) Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. Why Join Us? Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. This...

Title: Senior Systems Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. Why Join Us? Innovative Projects:  KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment:  Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work:  Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. KBR is seeking an experienced Senior Systems Engineer to join our small, hand-selected team supporting...

Title: Systems Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. Why Join Us? Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. Job Title: Technical Advisor, Systems Engineering Job Summary: KBR is seeking a Systems Engineer to...

Title: Digital Environment Engineer Digital Environment Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. Why Join Us? Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. This is a contingent position based upon contract award KBR...

Title: Senior Systems Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking a Cyber Security Engineer to join our team in El Segundo, CA.  An active TS/SCI is required to be considered for this position. Why Join Us? Innovative Projects:  KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment:  Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work:  Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and...

Title: Space Acquisition Support Specialist Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking a Cyber Security Engineer to join our team in El Segundo, CA.  An active TS/SCI is required to be considered for this position. Why Join Us? Innovative Projects:  KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment:  Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work:  Your contributions will be pivotal in designing and optimizing defense systems that ensure national...

Title: Systems Integration and Test Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking a System Integration and Test Engineer to join our team in El Segundo, CA. Why Join Us? Innovative Projects:  KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment:  Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work:  Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. Key...

Title: Software Systems Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. You will join a systems engineering team defining the next generation of space communication systems supporting US Space Force (USSF) satellite communications. You will support Systems Engineering & Integration (SE&I) activities in a multidisciplinary and collaborative environment. You will interface and collaborate with SE&I team members, contractors, government civilians and members of the USSF. You will lead and support several working groups responsible for leading technical discussion, resolve and identify risk, requirement gaps, developing briefings, writing, and tracking action items, and...