145 defense contractor national defense jobs found in San Diego, CA

Maintenance Trades Assistant, NavSea San Diego Job Category :   Facilities/Grounds/Custod Requisition Number :   MAINT003433   Posting Details Posted :  January 23, 2026 Full-Time Locations Showing 1 location San Diego, CA 92136, USA Job Details Description   PCSI is looking for a Maintenance Trades Assistant at NavSea, San Diego, CA! Minor adjustments and repairs to HVAC, plumbing, electrical, waste systems, architectural and structural building components, doors, windows, floor systems, light carpentry, and roof systems. This position will report to the Project Manager and is based at NavSea in San Diego.  Typical work hours will be Monday through Friday from 6:30am-3pm. PCSI is an AbilityOne...

Machinery Mechanic II Job Category :   Facilities/Grounds/Custod Requisition Number :   MACHI003544   Posting Details Posted :  April 14, 2026 Full-Time On-site Locations Showing 1 location San Diego, CA 92136, USA Job Details Description   PCSI is an AbilityOne employer—as such, individuals and veterans with disabilities may be prioritized based on role.  Documentation may be required.      Benefits Include: Paid vacation and sick time, in addition to federal holidays. Medical, dental, vision, and other coverage: employer contribution offered to cover employee-only tier. 401k plan with matching on contributions up to 6%. Who We...

Electrician I Job Category :   Facilities/Grounds/Custod Requisition Number :   ELECT003434   Posting Details Posted :  January 22, 2026 Full-Time On-site Locations Showing 1 location San Diego, CA 92136, USA Job Details Description   PCSI is seeking an experienced Electrician I! This position will report to the Project Manager/Foreman and is based at NAVSEA, San Diego.  Typical work hours will be Monday through Friday from 6:30am-3:00pm PCSI is an AbilityOne employer—as such, individuals and veterans with disabilities may be prioritized based on role.  Documentation may be required.      Benefits Include: Base Pay of $26.07...

Transportation Specialist II Job Category :   Facilities/Grounds/Custod Requisition Number :   TRANS003582   Posting Details Posted :  May 5, 2026 Full-Time On-site Locations Showing 1 location San Diego, CA 92136, USA Job Details Description   Overview: PCSI is seeking an experienced  Transportation Specialist II ! This position will report to the Project Manager/Foreman and is based in NAVSEA, San Diego.  Typical work hours will be Monday through Friday from 6:30am-3pm PCSI is an AbilityOne employer—as such, individuals and veterans with disabilities may be prioritized based on role.  Documentation may be required.   ...

Warehouse Specialist (Engineering Tech IV) Job Category :   Warehouse Requisition Number :   WAREH003589   Posting Details Posted :  May 13, 2026 Full-Time Locations Showing 1 location San Diego, CA 92136, USA Job Details Description   Overview: PCSI is seeking an experienced  Warehouse Specialist (Engineering Tech IV) ! This position will report to the Logistics Manager/APM and is based in San Diego, CA.  Typical work hours will be Monday through Friday from 6:30am-3:00pm PCSI is an AbilityOne employer—as such, individuals and veterans with disabilities may be prioritized based on role.  Documentation may be required.     ...

Supply Technician, San Diego Job Category :   Facilities/Grounds/Custod Requisition Number :   SUPPL003472   Posting Details Posted :  February 24, 2026 Full-Time On-site Locations Showing 1 location San Diego, CA 92136, USA Job Details Description   PCSI is an AbilityOne employer—as such, individuals and veterans with disabilities may be prioritized based on role.  Documentation may be required.      Benefits Include: Starting Pay $39.73 21 days of PTO per year, in addition to all federal holidays. Medical, dental, vision, and other coverage: employer contribution offered to cover employee-only tier. 401k plan with matching on contributions up to 6%. Who We...

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...

IT Specialist Type Full-Time/Part-Time Job Summary We are a growing, technology solutions provider servicing our clients with on-site IT Support Specialists who focus on their environment and their technical challenges to provide the best possible solutions.  In this role you will work with Microsoft technologies, grow technically and professionally, anticipate and solve problems and implement solutions.  If you enjoy making an impact every day, have a customer focus and enjoy new challenges, this could be the role for you.  Job Responsibilities Troubleshoot and solve IT issues  Implement IT solutions using best practices and by leveraging resources and team  Perform systems maintenance such as security patches  Administer  Office 365 and other systems  Complete projects and keep track of...

Project Scheduler   Type Full-Time Job Responsibilities Plans, schedules and coordinates projects to ensure goals and deadlines are met  Document changes and revisions to the project schedule, gathering status information and inputting data into the project schedule  Solicit inputs from program functional leads  Create, maintain, analyze, and report of all project schedules  Identify milestones, critical path, and activities necessary to achieve project objectives and goals  Conduct analyses of project schedules and activities to ensure compliance with the Schedule Management Plan, SOW, and overall project performance  Maintain a schedule change long and configuration management of schedule files  Education ​ College Degree Successful Candidates Should Have ​​ Experience with Critical Path Management (CPM) scheduling and...

1262 - SMWDC Surface Warfare Program Analyst On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1262/1244 - BNSFA02 San Diego, California, United States Overview Application Description Sigma Defense is seeking a former Surface Warfare Officer for a position on our Naval Surface and Mine Warfighting Development Center (SMWDC) Team in San Diego, CA as a Surface Warfare Program Analyst . We need the rare skill sets you have developed throughout your Naval Career to support the surface, air, and mine warfare mission areas, enhancing warfighting readiness, and increasing the lethality and tactical proficiency of the Surface Force. You will support SMWDC Headquarters in capability assessments across all SMWDC-owned mission area capabilities. In this position you will make direct contributions to the enhancement of warfare training. Equal Opportunity...

1618 - Mid-Level ASW Weapons Analyst On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1618 - BNSUT02 San Diego, California, United States Overview Application Description   Sigma Defense is seeking a  Mid-Level ASW Weapons Analyst  to support the U.S. Navy Ship Anti-Submarine Warfare (ASW) Readiness and Effectiveness Measuring (SHAREM) at Surface and Mine Warfighting Development Center (SMWDC) 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 10+ years of Navy experience relating to...

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....

1604 - Surface Warfare Combat Training Continuum (SWCTC) Specialist On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1604 - BNSFA02 San Diego, California, United States Overview Application Description   Sigma Defense is seeking a former Surface Warfare Officers or Senior Enlisted with vast Combat Systems experience (TAO/Warfare Coordinator qualified) to support Naval Surface and Mine Warfighting Development Center (SMWDC) by providing subject matter expertise in Surface Warfare tactics and training to support SWCTC development. Specifically looking to fill billets for an AW specialist, AMW specialist, IW specialist, and LCS specialist. 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...

1285 - Senior Surface Warfare/IAMD Analyst On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1285 - BNSFA03 San Diego, California, United States Overview Application Description   Sigma Defense is seeking a former Surface Warfare Officer for a position on our Naval Surface and Mine Warfighting Development Center (SMWDC) Team in San Diego, CA as a  Senior Surface Warfare/IAMD Analyst. We need the rare skill sets you have developed throughout your Naval Career to support the surface, air, and mine warfare mission areas, enhancing warfighting readiness, and increasing the lethality and tactical proficiency of the Surface Force. You will support the performance analysis of surface ship tactical readiness and operational capability. In this position you will make direct contributions to the enhancement of warfare training. Equal Opportunity...

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...

1187 - ATGPAC Battle Lab - Information Warfare Commander On-site IMS (IMSENG, IMSPRG, IMSNM, IMST&R) Full time 1187 - BNIWT02 San Diego, California, United States Overview Application Description Sigma Defense is seeking a Navy Veteran with extensive Information Warfare experience to fill the Information Warfare Commander  position as part of the ATGPAC Battle Lab team at Tactical Training Group Pacific (TTGP). We need the rare skill set you have used to implement Task Group Concept and have developed throughout your Naval Career to assist the ATG Battle Lab in executing its mission of providing tactical training to ships in the basic phase through Fleet Synthetic Training (FST). Be on the cutting edge of Live Virtual Training and make a difference to our Navy’s capability at the same time. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an...

Sigma Defense is looking for a BMD Tactical Operations expert to join the Tactical Training Group Pacific (TTGP) team as a  BMD Tactical Operations SME . Eligible candidate will have 6 years of experience conducting shipboard BMD watch-team training or recent experience conducting BMD exercises, training, or operations. We need the rare skill sets you have developed through your Naval Careers to assist the TTGP Staff in executing their mission of providing advanced tactical training to deploying ships and strike groups through Fleet Synthetic Training (FST). Be on the cutting edge of Live Virtual Training and make a difference to our Navy’s capability at the same time. Join this exceptional team of Technical Managers, Subject Matter Experts, Equipment Technicians and Equipment Operators in the configuration and operation of the Fleet Battle Lab and Modeling & Simulation Control Centers; Synthetic Training Event Planning, Integration and Execution; BMD...

Sigma Defense is seeking a  BMD Tactical Operations Subject Matter Expert (SME)  to provide support 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 5 years of experience conducting shipboard BMD watch-team training or recent experience conducting BMD exercises, training or operations. Candidate must have attained Aegis BMD Watch Officer. Personnel Clearance Level: Candidate must possess an active, DoD-issued TS/SCI security clearance. A clearance will be sponsored for the right candidate. Education Requirements: Bachelor's degree from an accredited college...