179 defense contractor national defense jobs found

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: In-Service Customer Coordinator Job Code: 44963 Job Location: Remote Job Schedule: 9/80 : Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off   Job Description: 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...

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: Contract Compliance (Remote Opportunity)   Job Code: 44703 Job Location Remote Job Schedule : 9/80: Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off     Job Description:...

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: Operational Leadership Rotation Program Job Code: 43162 Job Location: Huntsville, AL or Camden, AR or Orange, VA or Canoga Park, CA or Orlando, FL, Cincinnati, OH or Mason, OH Job Schedule: Varies by location   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: Senior Associate, Facilities (Construction Coordinator) Job Code: 45096 Job Location: Canoga Park, CA Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off...

Buyer (Engineering Tech IV) This position will report to the: Procurement Supervisor located in: San Diego CA – Site 850 Essential Job Functions Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. ·         Compile requests for materials, prepare and issue purchase orders, keep track of purchases and supplies, and handle inquiries about orders. ·         Prepare solicitations, evaluate bids from potential suppliers, and execute the procurement action.  ·         May interview potential suppliers by telephone or face-to-face to check on prices and specifications and thereby put...

1520 - Network Engineer I - 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 network. Equal...

1768 - Test Engineer On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1768 - ASYSL02 San Diego, California, United States Overview Application Description   Sigma Defense is seeking a Test Engineer to join our team in San Diego, CA. 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. Requirements 3+ Years of experience. Experience with developing test strategies and test plans for HA network architectures. Experience with creating functional, integration, system, regression, and performance test cases. Experience...

1465 - Electronics Technician Maintenance I On-site SCA (EWS Service SCAs) Full time 1465 - SMNTI01 Fort Irwin, California, United States Overview Application Description   Sigma Defense is currently seeking an Electronics Technician Maintenance I with experience maintaining, repairing, troubleshooting, modifying, and installing various types of electronic equipment and related devices. The ideal candidate is a team member who works well with peers or individually, has military experience in functions such as land navigation, map reading and driving with night vision googles, has a solid understanding of radar operations, radio frequencies, and electronic troubleshooting. 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,...

Crane Operator (All Levels)   Date: Sep 14, 2026 Location: San Diego, CA, US, 92113 Company: National Steel and Shipbuilding Com Job Posting End Date:  Until Filled Shift:                                ALL Security Clearance:       No Clearance Required       Who We Are General Dynamics NASSCO is one of three shipyards in the Marine Systems group of General Dynamics Corporation (NYSE: GD). General Dynamics NASSCO traces its beginnings to the industrial heart of San Diego, along the working waterfront of beautiful and historic San Diego Bay. The company has been designing and building ships in San Diego’s industrial corridor since 1960 and is the largest full service shipyard on the West Coast of the United States   Job Summary  ...

Technical Writer I   Date: Sep 17, 2026 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 Develops ship unique, system level technical manuals from available engineering data in accordance with applicable ship construction contract requirements, commercial standards and established procedures.  Develops contractually compliant equipment manuals from Vendor Furnished Information and OEM documentation. Reviews related vendor furnished information and provide corrective feedback when required. Collaborates with ILS Provisioning team to ensure alignment between tech manuals and Logistics Support...

Electrician (New Construction)   Date: Aug 26, 2026 Location: San Diego, CA, US, 92113 Company: National Steel and Shipbuilding Com Job Posting End Date:  Until Filled  Shift: 1st shift Security Clearance:  No Clearance required     Job Summary   Install, repair and hook up equipment for all electrical services on the ship.  Lay out, pull, lift out and install cable and conduit.  Prepare work area, drill holes and grind metal surfaces, and weld mounting equipment and tests electrical equipment.  Performs other related tasks as assigned, some of which may become essential to the position.   Qualification Standards   Must have two years marine electrical experience and/or four years electrical experience . Must pass NASSCO assessment or be in a training program. Ability to use power and hand tools and read composite blueprints,...

Shipfitter (New Construction)   Date: Aug 27, 2026 Location: San Diego, CA, US, 92113 Company: National Steel and Shipbuilding Com Job Posting End Date:   Until Filled Shift:                                ALL Security Clearance:       No Clearance       Job Summary   Assembles, cuts, and grinds metal structural parts to include plates, bulkheads, strong backs, turnbuckles, and come-along.  Aligns parts in relation to each other.  Tacks and welds foundation and structural members.  Performs lay out work according to blueprints or reference lines.  Marks location of holes to be drilled, drives wedges and installs temporary fasteners to hold part in place for welding.  Performs other related tasks as assigned.   Qualifications Standards...

Outside Machinist (Repair)   Date: Sep 1, 2026 Location: San Diego, CA, US, 92113 Company: National Steel and Shipbuilding Com Job Posting End Date:   Until Filled  Shift:                                ALL Security Clearance:        No Clearance required       Job Summary   Installs, maintains, and repairs ship's main propulsion and auxiliary systems including, but not limited to Steam, Gas Turbine, Diesel propulsion, propulsion shafting, propellers, rudders and steering engines.    Installs, repairs and maintains ship's fluid systems including, but not limited to; pumps, compressors, purifiers, heat exchangers, hydraulic motors actuators and valves. Tests installed equipment to ensure systems meet specifications.    Installs and tests various shop...

Shipfitter (Repair)   Date: Sep 21, 2026 Location: San Diego, CA, US, 92113 Company: National Steel and Shipbuilding Com Job Posting End Date:  Until Filled Shift:                                ALL Security Clearance:       No Clearance       JOB SUMMARY   Assembles, cuts, and grinds metal structural parts to include plates, bulkheads, strong backs, turnbuckles, and come-along.  Aligns parts in relation to each other.  Tacks and welds foundation and structural members.  Performs lay out work according to blueprints or reference lines.  Marks location of holes to be drilled, drives wedges and installs temporary fasteners to hold part in place for welding.  Performs other related tasks as assigned.   QUALIFICATIONS STANDARDS   Minimum...

Engineering Process Analyst I (Planning Focus)   Date: Sep 11, 2026 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 Provides analysis, design, specification, implementation, testing, and support of processes and their supporting information tools within the designated department. Reports to organizational leadership within the department.  Works closely with individual engineers and subject matter experts, supervision and management, IT personnel, planning personnel, and customers in other departments at various levels of the organization.  Daily duties will involve supporting multiple...

Abrasive Blaster   Date: Sep 12, 2026 Location: San Diego, CA, US, 92113 Company: National Steel and Shipbuilding Com Job Posting End Date:  Until Filled Shift:                                 All Security Clearance:        No Clearance       Job Summary   Prepares surfaces using a propelling a stream of abrasive material against a surface under high pressure (100 to 120 psi) to roughen a smooth surface, to remove surface contaminants , and to remove adhering scale, paint and/or multi-layer rust. Works on Ships at heights and confined areas, at Blast and paint Facility and/or in Paint Pit, using air feed respirator. Performs other related tasks as assigned, some of which may become essential to the position.     Qualification Standards...

Painter - Journeyman   Date: Sep 6, 2026 Location: San Diego, CA, US, 92113 Company: National Steel and Shipbuilding Com Job Posting End Date:  Until Filled Shift:                                 All Security Clearance:        No Clearance       Job Summary   Cleans and prepares wood or metal surfaces for painting. Removes dirt, grease, rust, scale and other contaminants. Masks and tapes areas not requiring painting. Paints parts, equipment and structural surfaces on interior and exterior of the ships and shipyard buildings. Mixes material in accordance with Product Data Sheet. Inspects prepared painted areas and performs touch-up work as needed. Performs other related tasks as assigned, some of which may become essential to the position.    ...

Senior Procurement Specialist   Date: Sep 16, 2026 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 The primary purpose of this position is to perform SCM tasks in cooperation with and support of NASSCO’s new construction and repair programs. Responsibilities include but are not limited to procurement tasks, contract negotiation, program estimates-at-completion (EAC’s), department budgeting, material forecasting, cost and price analysis, peer audit, material quality management and supplier performance management. The Senior Procurement Specialist will...

Design Specialist   Date: Sep 22, 2026 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 an Electrical Designer to support the development and integration of shipboard electrical systems. The successful candidate will be responsible for creating detailed electrical 3D models, wiring diagrams, cable routing plans, and equipment layouts in accordance with applicable maritime standards and project specifications. This role involves close collaboration with engineers and other design disciplines to ensure accurate and efficient documentation for power distribution, lighting, control, and communication...