100 defense contractor national defense jobs found

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 Strategic Senior Acquisition Support Specialist with DoD 5000.85 and DoD 5000.87 and ACAT I experience to join our team in El Segundo, CA.   KBR (formerly LinQuest) 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; however, you also have the option to be hired by one of our subcontractor teammates.   You will join a Systems Engineering team defining the next generation of space communication systems supporting Space Force Military Satellite Communications. You will...

Logistician II (SATCOM) San Diego, CA Full Time SATCOM Mid Level   DUTIES AND RESPONSIBILITIES Provide Operating Material and Supplies (OM&S) Inventory Management Support, to include supporting Navy Enterprise Resource Planning (NERP) book to floor inventory inspections.  Create and provide Catalog Ordering Logistic Tracking System (COLTS) database inventory reports and As Installed Configuration Management (CM) reports upon request.  Provide Material Support Shipment actions to include responding to material shipment request emails, creating shipment documents to facilitate world-wide outgoing and return shipments.  Perform Catalog Ordering Logistic Tracking System (COLTS) database updates in providing real time status of Program of Record (POR) Spares allocation, location, and material condition.  Perform COLTS database updates to include researching Navy Supply’s One Touch Supply database,...

Fleet Logistician (Depot) San Diego, CA Full Time Depot Mid Level   The Fleet Logistician provides critical technical and logistics support to the Fleet/JAMP/OSTS Integrated Product Team (IPT) Lead within the C4ISR Restoration Depot. This role ensures absolute financial and operational audit readiness by managing Operating Materials & Supplies (OM&S), executing full-lifecycle Shop Ordering within Shop Workload Maintenance System (SWMS) and Navy Enterprise Resource Planning (ERP), and tracking complex financial data. The incumbent must maintain functional cross-training to support BSS operations and traditional NAVSUP workloads while serving as a key player in Existence and Completeness (E&C) and Ernst and Young (E&Y) audit preparations. DUTIES AND RESPONSIBILITIES Fleet/JAMP/OSTS IPT Technical Support Provide technical support to the Fleet/JAMP/OSTS IPT Lead regarding the...

Electronics Technician Maintenance II (SATCOM) San Diego, CA Full Time CES Mid Level   DUTIES AND RESPONSIBILITIES The Electronics Technician Maintenance (ETM) II applies basic and some advanced technical knowledge to solve routine problems by interpreting manufacturers' manuals or similar documents. Work requires familiarity with the interrelationships of circuits and judgment in planning work sequence, in selecting tools, testing instruments, and is reviewed for compliance with accepted practices. This technician works under immediate supervision and achieves technical guidance, as required, from supervisor or higher-level technician. The ideal candidate with have experience performing overhauls and repairs on any of the following shipboard electronics systems: High Frequency (HF), Radio Frequency (RF), High Frequency Radio Group (HFRG), Digital Modular Radio (DMR), Navy Multiband Terminal (NMT),...

Electronics Technician Maintenance III (SATCOM) San Diego, CA Full Time SATCOM Experienced   DUTIES AND RESPONSIBILITIES The Electronics Technician Maintenance (ETM) III applies advanced technical knowledge to solve complex problems that typically cannot be solved solely by referencing manufacturers' manuals or similar documents. Examples of such problems include determining the location and density of circuitry, evaluating electromagnetic radiation, isolating malfunctions, and incorporating engineering, changes. Work typically requires an understanding of the interrelationships of circuits, exercising independent judgment in performing such tasks as making circuit analyses, calculating wave forms, and tracing relationships in signal flow, using complex test instruments such as high frequency pulse generators, frequency synthesizers, distortion analyzers, and complex computer control equipment. Work may be reviewed by...

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...

We are seeking a highly motivated Training Specialist to support the analysis, development, and implementation of Navy training systems and programs. This role involves conducting training needs assessments, evaluating alternative training solutions, supporting curriculum development, and preparing formal documentation in accordance with Navy standards and processes (e.g., NAVEDTRA 130 series).   Duties & Responsibilities  Provide installation support for multiple programs and systems at NAVWAR. In accordance with the Navy Modernization Process (NMP) and following the Enterprise Change Request Process (ECRP), use configuration and change management tools, including SPIDER and CAPS, to ensure that installation packages are delivered in a complete state and in a timely      fashion. Monitor development timelines to ensure they are consistent with Integrated Master Schedules and Fielding Plans. Develop and present...

Corrosion Technician City/Town San Diego Location California Job Code 2942   Job Description: The Corrosion Technician 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 $85-$105K 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 Corrosion Technician 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 operational...

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...

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...

Logistician-Sr. City/Town San Diego Location California Job Code 2629   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 serving as the primary...

Landing Craft Utility Contractor Instructor Coronado, CA  • Position Open Now   Job Type Full-time, Contract Description Prevailance is seeking an experienced, mission-focused professional to support the Surface Warfare Engineering Schools Command (SWESC) and PMS 339 Specialized Engineering as a Landing Craft Utility (LCU) Contractor Instructor. The role involves providing instruction, operation, testing, remediation, curriculum updates, administration, safety, and management support services for formalized naval training.   The LCU Instructor supports technical and military training for U.S. and Allied naval enlisted personnel in Coronado, CA, ensuring upgrades and improvements to instruction as needed.   Responsibilities: Prepare classrooms, workstations, and labs, ensuring all equipment and instructional materials are ready before instruction Perform operational checks on...

Waterborne Security Boat Instructor San Diego, CA  • Position Open Now   Job Type Full-time, Contract Description Prevailance is seeking an experienced, mission-focused professional to join the Center for Security Forces (CENSECFOR) as a Waterborne Security Boat Instructor. This is a high-risk instructor role, involving both classroom and operational training. Travel may be required.   Key Responsibilities: Deliver high-risk, group-paced instruction on security boat tactics, techniques, and procedures in both classroom and underway training environments Utilize Safety/Operational Risk Management, Classroom Teaching Fundamentals, Training Requirements and Training Plans, and Training Scenario Scripting Requirements Qualifications: Navy Instructor (9502) certification or equivalent  Certified coxswain At least three (3) years of documented operational...

Diesel Engine Inspector Contractor Instructor San Diego, CA  • Position Filled, Accepting Applications   Job Type Full-time, Contract Description This position is currently filled, however we are accepting applications for Ready Replacement Pool consideration.   Prevailance is seeking a dedicated and experienced  Diesel Engine Inspector Contractor Instructor (DEI CI)  to support the  Surface Warfare Schools Command (SWSC) . This role involves delivering high-quality technical and military training to  Department of Defense (DOD)  personnel, including Navy and Allied Forces officers and enlisted personnel temporarily assigned for training.    Key Responsibilities: Provide instruction, testing, remediation, and curriculum support, including updates and maintenance of course materials Operate and maintain training equipment, training...

ASW Training Specialist   Clearance Level Secret   Category Program Instruction Support   Location San Diego, California (Onsite Workplace) Apply Now Key Skills For Success Military Team Training Technical Support Training Training Techniques Share REQ#:  RQ223189 Public Trust:  None Requisition Type:  Regular Your Impact Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure. Job Description TRAINING SPECIALIST SENIOR -  ASW Training Specialist Make meaningful contributions that fuel critical outcomes for some of the most complex government, defense, and intelligence projects. Join GDIT as a Training Specialist Senior for a career where your growth is just as...

Cyber Security Analyst Sr   Clearance Level Top Secret/SCI   Category Cyber and IT Risk Management   Location Beale AFB, California (Onsite Workplace) Apply Now Key Skills For Success Cyber Defense Cybersecurity Network Defense Share REQ#:  RQ224941 Public Trust:  None Requisition Type:  Regular Your Impact Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure. Job Description Cyber Security Analyst Senior   Join our technology leading team of men and women that solve some of the world’s most complex technical challenges. GDIT is seeking an enthusiastic Cyber Network Defense Analyst who is seeking to expand his/her experience in the IT field by joining our team in...

Aegis BL 9 Combat Systems Coordinator (CSC) / Senior Aegis (FCA)   Clearance Level Secret   Category Program Instruction Support   Location San Diego, California (Onsite Workplace) Apply Now Key Skills For Success Classroom Teaching Instructional Materials Teaching Share REQ#:  RQ222408 Public Trust:  None Requisition Type:  Regular Your Impact Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure. Job Description TRAINING SPECIALIST SENIOR -  Aegis BL 9 Combat Systems Coordinator (CSC) / Senior Aegis Fire Controlman (FCA) Make meaningful contributions that fuel critical outcomes for some of the most complex government, defense, and intelligence projects. Join GDIT as a...