27 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...

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. Information Systems Security Manager (ISSM) KBR is seeking an Information Systems Security...

Title: Cyber Security 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 a Cyber Security Engineer to join our team in El Segundo, CA.  An active TS/SCI is required to be considered for this position. 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...

Cruiser/Destroyer Combat Systems SME   Clearance Level Secret   Category Professional Engineering   Location San Diego, California (Onsite Workplace) Apply Now Key Skills For Success Leadership Military Personnel Prioritization Procedure Development Strategic Objectives Share REQ#:  RQ224609 Public Trust:  None Requisition Type:  Pipeline 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 Cruiser/Destroyer Combat Systems SME Transform technology into opportunity as a Cruiser/Destroyer Combat Systems SME at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering...

Program Analyst SME - TS/SCI w/ Poly   Clearance Level Top Secret SCI + Polygraph   Category Program Delivery and Execution   Location El Segundo, California (Onsite Workplace) Apply Now Key Skills For Success Data Management Leadership Program Management Share REQ#:  RQ220535 Public Trust:  None Requisition Type:  Regular Your Impact Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Data Center Management Subject Matter Expert – Remote sites   Provide Data Center Management subject matter expertise of customer’s remote locations with data center planning, management, and execution of customer sites. Understand all Data Center...

Current Operations (CUOPS) Planner ID 2026-25615   Category Other   Location : Location US-CA-Vandenberg SFB   Min USD $165,000.00/Yr.   Max USD $185,000.00/Yr.   Minimum Clearance Required Top Secret/SCI   Travel Requirement Less than 10% Overview Bowhead Information Technologies Service is seeking a Current Operations (CUOPS) Planner to support our Space Forces – Space customer. Responsibilities • Provide current and future joint operational support utilizing the Joint Publication 3.0 and 5.0 series. Contribute to ensuring the S3 is ready to conduct joint space operations and deliver space capability expertise in accordance with the Commander’s objectives • Manage and track the Current Operations (CUOPS) order process to include receipt, status...

Exercise/Wargame Planning and Assessment Support SME ID 2026-25638   Category Other   Location : Location US-CA-Vandenberg SFB   Min USD $175,000.00/Yr.   Max USD $185,000.00/Yr.   Minimum Clearance Required Top Secret/SCI   Travel Requirement Less than 10% Overview Bowhead Information Technologies Service is seeking a Exercise/Wargame Planning and Assessment Support SME to support our Space Forces – Space customer. Responsibilities • Execute all activities in the Design, Planning, Preparation, Execution, and Analysis, Evaluation, and Report phases of a S4S participated JELC • Conduct S4S operational staff assessments for exercises and real-world situation, plans, and operations • Provide staff assessments to CDR S4S consisting of objectives, effects, tasks,...

Technical Writer ID 2026-25669   Category Technical Writing/Editing   Location : Location US-CA-San Diego   Minimum Clearance Required Secret   Travel Requirement Less than 10% Overview TECHNICAL WRITER (SIT):   Bowhead seeks a Technical Writer to support various proposal efforts under the Systems & Information Technology (SIT) division. The Technical Writer will assist with business services to include Program Management and Planning, Finance, Logistics, Security, Space Planning, Safety, Administrative Services, Technical Editing, Records Management, and Computer Engineering and IT support.   Responsibilities Technical editing and writing capabilities, including expertise in word processing; the establishment of documentation guidelines, procedures, and templates; and scheduling, coordination, production,...

J57 – Strategic Engagement SME Vandenberg SFB, CA USSPACECOM – US Space Forces- Space (S4S) / Full Time - Exempt / On-site   Delta Solutions and Strategies is seeking highly skilled and motivated candidates to join a high-performance team and provide support to US Space Forces – Space (S4S) Combined Joint Force Space Component Command J57 as a Strategic Engagement Support Subject Matter Expert at Vandenberg Space Force Base, California. In this role, you will support S4S to provide analytical support to the J57 Military/Civil Integration Division pertaining to international, other government agency, civil, and commercial agency coordination, and communications. What you will be doing: Participating in OPTs that support allied, civil, and commercial integration to develop and maintain integration and liaison efforts. Contributing to...

Foreign Military Sales Specialist Los Angeles Air Force Base Professional Services – USSF/SSC / Full Time - Exempt / On-site   Delta Solutions & Strategies is seeking a Foreign Military Sales Specialist. This position will assist in maintaining and updating program/project management documents, developing standard plans and operating instructions/procedures, financial management, developing and maintaining IMS and critical path models, identifying, assessing, and documenting acquisition and acquisition logistics resource requirements, evaluating and responding to Letters of Request (LOR), formulating Letter of Offer and Acceptance Data (LOAD), and Manpower Requirements Packages (MRP).  What you will be doing: Apply a full range of Information Assurance IA, SA, FMS, Section 1206/1203, Special Defense Acquisition Fund (SDAF), and Building Partner...

1602 - Senior ATGPAC Training Requirements and Policy Analyst On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1602 - BNSFA03 San Diego, California, United States Overview Application Description   Sigma Defense is seeking a  Senior ATGPAC Training Requirements and Policy Analyst  to join our team at San Diego NB, 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 Must have 20 years of surface navy experience as a Naval Officer including shipboard operational experience managing and conducting afloat...

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...

Job Description Santa Barbara Infrared, Inc. is currently recruiting for the position of Mechanical Engineer. We are seeking a  Mechanical Engineer  to design, develop, and test precision mechanical systems for IR and optical test equipment.  This position works under the guidance of the Mechanical Engineering Manager and in close collaboration with Senior Mechanical Engineers.  In this role, you’ll create and refine designs, support product integration, and collaborate with cross-disciplinary teams to deliver reliable, high-performance solutions. Your work will directly impact the performance of next-generation optical test systems used by global aerospace and defense leaders.  This is a hands-on,  on-site  role in Santa Barbara, CA. Santa Barbara Infrared, Inc. (SBIR), a subsidiary of HEICO Corporation (NYSE: HEI, HEI.A), designs and manufactures advanced infrared (IR) and electro-optical (E-O) test instrumentation...

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,...

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...

Sensor Engineering Manager Job #: R-00179542 Location: San Diego, California Category: Systems Engineering Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: Hybrid Remote Clearance: None External Referral Program : Eligible Referral Bonus Amount: $2,000 Sector: Defense 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. Everything we do is built on a commitment to do the...

Signal Processing Engineer Job #: R-00163473 Location: San Diego, California Category: Signal Processing Engineering Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: Hybrid Remote Clearance: Secret External Referral Program : Eligible Referral Bonus Amount: $5,000 Sector: Leidos Innovations Center (LInC) Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job           Description The EO/IR Payloads Branch, within the Leidos Innovations Center, currently has an opening for a Signal Processing Engineer to work in our San Diego, CA office. This is an exciting opportunity to use your experience in the design, analysis, and...