270 defense contractor national defense jobs found in Los Angeles, CA

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Program Delivery and Execution Job Description: GDIT is seeking a Deputy Program Manager to support our NASA Business Area in driving the successful pursuit and execution of key initiatives across our growing NASA portfolio. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. The Deputy Program Manager will play a critical role in supporting and helping execute a comprehensive solution that integrates and manages a 24x7 Service Desk, advanced AI-enabled tools, efficient on-site deskside support, a PC-as-a-Service hardware model, and complementary engineering, cybersecurity, and IT Service Management (ITSM) development resources. As a Deputy Program Manager, you will partner closely with the Program Manager, internal/external teams,...

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: IT Infrastructure and Operations Job Description: GDIT is seeking an experienced Systems Architect to support our NASA Business Area in designing, developing, and overseeing enterprise-level architecture solutions across our expanding NASA portfolio. GDIT is your place to make meaningful contributions to mission‑critical federal programs and build a rewarding technical career. The Systems Architect will play a central role in creating integrated, scalable, and secure solutions that support NASA’s enterprise IT services. This includes 24x7 operations environments, advanced AI‑enabled tools, end‑user services, cloud technologies, cybersecurity capabilities, and coordinated engineering and IT Service Management (ITSM) resources. As a Systems Architect supporting this opportunity, you...

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Contract Management Job Description: GDIT is seeking an experienced IT Asset Manager to support our NASA Business Area in managing a program’s technology assets including hardware, software, licenses, and other IT assets throughout their entire lifecycle from purchasing and deployment to maintenance, security, and retirement. GDIT is your place to make meaningful contributions to mission‑critical federal programs and build a rewarding technical career. The Asset Manager will own the full lifecycle of hardware, software and other IT assets across the NASA enterprise level program ensuring accurate inventory, financial transparency, and IT compliance in 24x7 operations environment. As an Asset Manager supporting this opportunity, you will be responsible for the asset management cycle,...

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Cyber and IT Risk Management Job Description: GDIT is seeking a highly experienced Program Cybersecurity Manager to support our NASA Business Area in driving the successful strategy, oversight, and execution of cybersecurity initiatives across our expanding NASA portfolio. GDIT is your place to make mission‑driven contributions to critical federal programs and grow a rewarding career. The Program Cybersecurity Manager will play a central role in developing and managing an integrated cybersecurity strategy that protects mission systems and data through 24x7 security operations, advanced AI‑enabled cyber capabilities, enterprise risk management, compliance with NASA and Federal requirements, and coordinated engineering and IT Service Management (ITSM) resources. As the Program...

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 is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, Software Engineering Job Code: 45377 Job Location: Los Angeles, CA or Melbourne, FL Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked (Every Other Friday Off)      Job...

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 is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title:  Assembly B Job Code : 45342 Job Location: Gardena, CA Schedule: 9/80:  Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off   Job Description: Under close supervision of the...

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 is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Manufacturing Test Technician C Job Code: 43343 Job Location: Anaheim, CA  Job Schedule: 9/80    Job Description:    Under limited supervision conducts evaluation, diagnostic, integration and final acceptance testing of...

Delta Solutions & Strategies is seeking a SME Aerospace Engineer to support United States Space Force Space Systems Command (SSC), Space Sensing (SN) activities in Los Angeles Air Force Base in El Segundo, California. This position will provide systems engineering, mission integration, space vehicle, payload, ground system, test, launch, and mission-readiness activities across the Space Sensing acquisition life cycle. The selected candidate will serve as a subject-matter authority, shape technical approaches and decision products, lead the most complex analyses or reviews, and advise Government technical or program leadership on high-impact issues. The ideal candidate will be a recognized expert in the functional area with deep Department of Defense or national security space experience and the ability to influence technical direction, resolve difficult problems, and brief senior stakeholders. *Anticipated award/start date September 28, 2026 What you will be doing:...

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Description: General Dynamics Information Technology is seeking an experienced systems analyst to join our team in Norwalk, CA, working with partners from local, state, and federal law enforcement agencies. The selected individual will serve at a client site to work on new records management systems (RMS) to track, store, and analyze data, often independently and at times in coordination with the client Project Director/Project Manager. RESPONSIBILITIES The essential duties and tasks of the Systems Analyst Senior assigned to this program include but are not limited to: Vendor Management Assist the Project Director/Project Manager to ensure service level agreement (SLA) compliance. Assist the Project Director/Project Manager with monitoring...

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 -...