30 defense contractor national defense jobs found

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...

MECHANICAL ENGR IV City/Town San Diego Location California Job Code 3051   Job Description:       This position supports NSWCPD Code 431 Aircraft, Vehicle, Ship & Material Handling and Stowage, and Code 433 Launch, Recovery & Hydraulic Systems branches.  The branches are responsible for in-service engineering for crane, davit, submarine hydraulic, surface ship steering, hydraulic systems as well as aircraft elevators, powered closures and doors, vertical package conveyors, anchors, mooring, towing, well deck, vehicle ramps, and stowage systems.   The support is focused on launch, recovery and hydraulic systems as well as aircraft, vehicle, ship and material handling systems. Engineering tasks are concentrated in the areas of Ship Change Document (SCD), Maintenance and Testing, Research, Design, Testing, and Evaluation (RDT&E), Integrated Logistics...

Engineering Technician (Electrical) City/Town San Diego Location California Job Code 2944   Job Description: The Engineering Technician (Electrical)  will support maintenance and planning for the overhaul and repair of equipment and systems associated with U.S. Navy Aircraft Carriers (CVN) and U.S. Navy Surface Ships.  Work will be performed on board US Naval vessels located in San Diego, CA.   The salary range for this position is $55-$75K The support will include providing aircraft carriers and the surface fleet a team of experts in Navy systems/equipment maintenance, for both preventive and equipment maintenance training.   The Engineering Technician (Electrical) will “Find, Fix, and Train” Ship’s Force equipment operators and maintenance technicians, with the goal of enabling sailors to...

Engineering Technician (Hull) City/Town San Diego Location California Job Code 2945   Job Description: The Engineering Technician (Hull) will support maintenance and planning for the overhaul and repair of equipment and systems associated with U.S. Navy Aircraft Carriers (CVN) and U.S. Navy Surface Ships.  Work will be performed on board US Naval vessels located in San Diego, CA.   The salary for this position is $55-$75K The support will include providing aircraft carriers and the surface fleet a team of experts in Navy systems/equipment maintenance, for both preventive and equipment maintenance training.   The Engineering Technician (Hull) will “Find, Fix, and Train” Ship’s Force equipment operators and maintenance technicians, with the goal of enabling sailors to maintain and repair equipment during their...

ELECTRICAL ENGR IV City/Town San Diego Location California Job Code 3054   Job Description:   This position supports NSWCPD Code 431 Aircraft, Vehicle, Ship & Material Handling and Stowage, and Code 433 Launch, Recovery & Hydraulic Systems branches.  The Code 431/433 are responsible for in-service engineering for crane, davit, submarine hydraulic, surface ship steering, hydraulic systems as well as aircraft elevators, powered closures and doors, vertical package conveyors, anchors, mooring, towing, well deck, vehicle ramps, and stowage systems.   The candidate will provide engineering and technical support for Code 431/433 systems focused on launch, recovery and hydraulic systems as well as aircraft, vehicle, ship and material handling systems.  Engineering tasks are concentrated in the areas of Ship Change Document (SCD), Maintenance and Testing, Research,...

COMPUTER ENGR IV City/Town San Diego Location California Job Code 3058   Job Description:   This position supports NSWCPD Code 431 Aircraft, Vehicle, Ship & Material Handling and Stowage, and Code 433 Launch, Recovery & Hydraulic Systems branches. The Code 431/433 are responsible for in-service engineering for crane, davit, submarine hydraulic, surface ship steering, hydraulic systems as well as aircraft elevators, powered closures and doors, vertical package conveyors, anchors, mooring, towing, well deck, vehicle ramps, and stowage systems.  The candidate will provide system software development, design and network support for Code 431/433 systems focused on launch, recovery and hydraulic systems as well as aircraft, vehicle, ship and material handling systems.  Tasks are concentrated in the areas of  Maintenance and Testing, Research, Design, and Evaluation...

Engineering Technician (Mechanical) City/Town San Diego Location California Job Code 2943   Job Description: The Engineering Technician (Mechanical) will support maintenance and planning for the overhaul and repair of equipment and systems associated with U.S. Navy Aircraft Carriers (CVN) and U.S. Navy Surface Ships.  Work will be performed on board US Naval vessels located in San Diego, CA.   The salary range for this position is $55-$75K The support will include providing aircraft carriers and the surface fleet a team of experts in Navy systems/equipment maintenance, for both preventive and equipment maintenance training.   The Engineering Technician (Mechanical) will “Find, Fix, and Train” Ship’s Force equipment operators and maintenance technicians, with the goal of enabling sailors to maintain and...

Engineering Technician-Mid City/Town San Diego Location California Job Code 2665   Job Description: SEA 21, NAVSEA’s Director of Surface Ship Maintenance, Modernization, and Sustainment is seeking professional support services (PSS) to support the Government's existing organization, personnel, knowledge, and processes.  SEA 21 integrates sustainment and maintenance strategies, modernization plans, training needs, and technical, logistics, and programmatic efforts to best manage the lifecycle of U.S. and partner Navy surface ships and systems from fleet introduction through transfer or disposal. SEA 21 is the dedicated life cycle management organization for the Navy's in-service surface ships and is responsible for managing critical modernization, maintenance, training, and inactivation programs.  SEA 21 provides wholeness to the fleet by...

Project Controls Engineer   Clearance Level None   Category Program Delivery and Execution   Location San Diego, California (Onsite Workplace) Apply Now Key Skills For Success Earned Value Management Systems (EVMS) Project Controls Scheduling Share REQ#:  RQ222502 Public Trust:  None Requisition Type:  Regular Your Impact Own your opportunity to be at the center of GDIT’s business operations. Make an impact by collaborating across functions to make mission success achievable. Job Description GDIT is looking for a talented and experienced  Project Controls Engineer  who can lead the development and management of the program master schedule for a large complex program. To include complete cost & schedule integration aligned with the contractual scope awarded. The candidate must...

Sr. Electrical Engineer   Clearance Level Interim Secret   Category Professional Engineering   Location Port Hueneme, California (Onsite Workplace) Apply Now Key Skills For Success Design Documentation Electronic Systems Troubleshooting Share REQ#:  RQ209520 Public Trust:  None Requisition Type:  Regular Your Impact Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure. Job Description We are searching for a self-motivated electrical engineer experienced in test equipment development and maintenance. The candidate must have a proven record of exceptional technical aptitude, efficiency, and delivery while maintaining quality and timeliness in all aspects of support,...

Position Summary Provide Naval Information Warfare Center Pacific (NIWC Pacific) with engineering, design, and review tasks within the NIWC Pacific area of responsibility.    Responsibilities Participate in functional testing, commissioning and re-commissioning of equipment of HVAC equipment to close out construction projects, troubleshooting existing HVAC equipment, overseeing maintenance operations, reviewing HVAC equipment submittals, and assisting construction managers and engineers during the design, solicitation, and construction administrative phases of projects.   Conduct site visits, perform project evaluations, document existing conditions, and propose cost effective solutions to existing HVAC problems. The MET shall have experience with navigating and utilizing a DDC controls system.  Perform daily site visits and provide quality assurance thorough inspections. Document findings that are not in accordance with the contract...

Provide Naval Information Warfare Center Pacific (NIWC Pacific) with engineering, design, and review tasks within the NIWC Pacific area of responsibility.    Responsibilities Creating, drawing, and writing construction documentation; coordinate the preparation of engineering documents, assist architects, construction managers and engineers during design, solicitation, and construction administrative phases of projects; conduct site visits, perform project evaluation, document existing conditions, and propose solutions to existing problems. Coordinate with team members and execute project scopes, schedules, and budgets in conformance with project and customer requirements. Coordinate with team members and generate basic project scopes, schedules, and estimates in conformance with project and customer requirements. Responsible for coordinating with team members and generating construction drawings & documents, specifications, criteria, basic...

Engineer - Electrical Engineering (Mid-Career)   Date:  Sep 21, 2025 Location:  San Diego, CA, US, 92108 Company:  National Steel and Shipbuilding Com Job Posting End Date:  Until Filled   Shift:                                1st  Security Clearance:       No Clearance       Summary   We are seeking a skilled and motivated Electrical Engineer to join our marine engineering team, with a focus on designing and integrating shipboard electrical systems. The ideal candidate will have experience in power generation and distribution, control systems, navigation electronics, and communication networks within maritime environments. Responsibilities include developing detailed electrical system diagrams, performing system analysis, ensuring compliance with...

1608 - Mid-level Data Engineer On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1608 - AENGL02 San Diego, California, United States Overview Application Description   Sigma Defense is seeking a highly skilled  Mid-level Data Engineer  to support the Readiness and Effectiveness Measuring (SHAREM) support contract at Surface and Mine Warfighting Development Center (SMWDC) in San Diego, CA. The ideal candidate should have database entry, management, and monitoring experience. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability....

1670 - Drafting Engineer II, III On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1670 - ASWET05 San Diego, California, United States Overview Application Description   Sigma Defense is seeking a  Drafting Engineer II, III  to support PMW160 and NIWC Pacific for U.S. Navy Enterprise networks. The successful candidate will have an opportunity to shape capability delivery by providing: System Rack Design Technical Data Packages Installation Requirement Drawings Environmental Qualification Testing Troubleshooting Lifecycle Engineering Support for Navy IT Networks and Systems The candidate will work closely with Navy stakeholders and partner teams to ensure applications and services are documented and integrated effectively. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity...

1521 - Cybersecurity Engineer II-III On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1521 - ACYBL01-3 San Diego, California, United States Overview Application Description   Sigma Defense is seeking  Cybersecurity Engineers, levels II-III  to support the Consolidated Afloat Networks and Enterprise Services (CANES) program for U.S. Navy platforms. The candidate will be responsible for system hardening, implementing Security Technical Implementation Guides (STIGs), supporting Risk Management Framework (RMF) accreditation packages, and responding to cybersecurity audits and scan findings across classified and unclassified networks. Experience with tools such as Assured Compliance Assessment Solution (ACAS), Security Content Automation Protocol (SCAP), Endpoint Security Solution (ESS), and Security Information and Event Management (SIEM) are...

1519 - Systems Engineer I, II, or III On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1519 - ASYSL01-3 San Diego, California, United States Overview Application Description   Sigma Defense is seeking a  Systems Engineer  to support PMW160 and NIWC Pacific for U.S. Navy Enterprise networks. The successful candidate will have an opportunity to shape capability delivery by providing system design, system development, systems integration, configuration, troubleshooting, and lifecycle engineering support for Navy IT networks and systems. The candidate will work closely with Navy stakeholders and partner teams to ensure applications and services are documented and integrated effectively. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for...

1520 - Network Engineer I, II, or III On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1520 - ANETL01-3 San Diego, California, United States Overview Application Description   Sigma Defense is seeking a  Network Engineer I-III  to support the design, implementation, and sustainment of the Navy’s enterprise networks. The hired candidate will design, configure, secure, automate, and document high-availability networks in both shipboard and lab environments while supporting the full lifecycle from installation through sustainment. This includes working on DoD initiatives such as SD-WAN, IPv6 Migration, Zero Trust Networks and Cross-Domain Network solutions. They will work with SMEs in Cybersecurity, Systems Management, Systems Engineering, and Quality Assurance to learn the needs and goals of the system and shape the requirements of the...