10 defense contractor national defense jobs found in Hybrid

Junior Operating Systems Engineer (Embedded Linux / Yocto) |  San Diego, CA Applying to this job will open a new window on the employer's web site to apply there. Posted Date 7/13/2026 Description Lyntris is a defense technology company that connects sensing to action across the connected battlespace. Lyntris brings together the talents of Accelint and Vitesse teams under one mission, with each contributing deep expertise within their domain. Combining differentiated hardware, software and mission expertise, Lyntris helps customers sense threats, make sense of complex conditions and act with greater speed, precision and confidence in contested environments. Lyntris supports U.S. and allied defense organizations across every branch — including Navy, Army, Air Force, Space Force and allied partners — spanning strategic, operational and tactical missions and every domain: Space, Air, Land, Sea and Cyber. With more than 200 active...

Network Engineer |  San Diego, CA Applying to this job will open a new window on the employer's web site to apply there. Posted Date 5/30/2026 Description Lyntris is a defense technology company that connects sensing to action across the connected battlespace. Lyntris brings together the talents of Accelint and Vitesse teams under one mission, with each contributing deep expertise within their domain. Combining differentiated hardware, software and mission expertise, Lyntris helps customers sense threats, make sense of complex conditions and act with greater speed, precision and confidence in contested environments. Lyntris supports U.S. and allied defense organizations across every branch — including Navy, Army, Air Force, Space Force and allied partners — spanning strategic, operational and tactical missions and every domain: Space, Air, Land, Sea and Cyber. With more than 200 active defense programs, Lyntris works at every...

Future Engineering Opportunities *This position requires an active U.S. national security clearance. To learn more about the security clearance process please access this link .    Accelint is a mission-driven technology company focused on strengthening national security and supporting critical industries .  We build the technologies that help operators and organizations see what’s happening, make faster and better decisions, take action with confidence, and stay ready for what comes next. Our work includes advanced sensors, autonomous systems, mission command and control software, AI-enabled training and simulation, and tools that improve logistics, maintenance, and overall readiness.   For nearly 30 years we have supported military and civilian agencies across the Department of Defense, U.S. allies and partners, and essential industries. When you join Accelint, your work directly contributes to protecting national security and...

Electrical Engineer Job #: R-00178848 Location: Vista, California Category: Electrical Engineering Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: No Remote Clearance: Public Trust External Referral Program : Ineligible Sector: Homeland Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job         The  Security Enterprise Solutions (SES)  operation at  Leidos  currently has an opening for an  Electrical Engineer  to work for the Ports and Borders (P&B) business unit in our  Vista, CA  facility. The P&B business unit at Leidos designs and manufactures highly complex security equipment for use at border crossings, airports, seaports,...

Intelligence Analyst Job #: R-00172485 Location: Marysville, California Category: Intel Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: No Remote Clearance: Top Secret/SCI External Referral Program : Ineligible Sector: Defense Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job           Accelerate Your Career in National Security with Leidos! At Leidos, we're more than just a company—we're a launchpad for your future. Through world-class training, dynamic teamwork, and exposure to cutting-edge technical challenges, we'll help you advance your career to new heights. We’re seeking  Junior and Mid Level   Multi-Intelligence Surveillance and...

Mechanical Engineer Job #: R-00180317 Location: Vista, California Category: Mechanical Engineering Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: No Remote Clearance: Public Trust External Referral Program : Ineligible Sector: Homeland Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job         Leidos is seeking a talented Mid-Level Mechanical Engineer to join our Security Enterprise Solutions (SES) business unit in Vista, CA. Our team designs and manufactures highly complex security equipment deployed at border crossings, airports, seaports, and other transportation hubs. Our product portfolio includes radiation detectors and spectrometers, X-ray and...

Occupational Safety Health Analyst Job #: R-00179800-OTHLOC-2612 Location: El Segundo, California Category: Environmental Health And Safety Schedule (FT/PT): Full Time Travel Required: Yes, 50% of the time Shift: Day Remote Type: No Remote Clearance: Public Trust External Referral Program : Eligible Referral Bonus Amount: $1,000 Sector: Digital Modernization Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job           Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable....

Systems Test Engineer Job #: R-00182051 Location: Vista, California Category: Testing Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: No Remote Clearance: Public Trust External Referral Program : Ineligible Sector: Homeland Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job         Leidos’ Security Enterprise Solutions (SES)  operation is seeking a  Systems Test Engineer  in  Vista, CA  to join our cross-functional engineering team using cutting edge technology to develop truly novel solutions that make travel and trade safer, healthier, and more efficient on a global level.   As a member of the Leidos Security Enterprise...

Telecommunications Engineering Technician Job #: R-00179219 Location: El Segundo, California Category: Telecommunications Schedule (FT/PT): Full Time Travel Required: Yes, 75% of the time Shift: Day Remote Type: No Remote Clearance: Public Trust External Referral Program : Eligible Referral Bonus Amount: $1,000 Sector: Digital Modernization Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job           The National Airspace Systems Integration Support (NISC) program at Leidos is seeking a  Telecommunications Engineering Technician  to provide support to the Federal Aviation Administration (FAA) Central Service Area - Engineering Services Group located in  El Segundo, CA . The ideal...

Tier 2 Technician Job #: R-00175717-OTHLOC-PL-2D0822 Location: El Segundo, California Category: Network Administration and Ops Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: No Remote Clearance: Top Secret/SCI with Polygraph External Referral Program : Ineligible Sector: Digital Modernization Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job         The Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician  to support computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing...