Defense Contractor/ National Defense janitor jobs

Sep 01, 2026

Full time

Junior Operating Systems Engineer (Embedded Linux / Yocto) San Diego

$100,000 - $120,000 yearly

Highbury Defense Group HDG Hybrid (San Diego, CA)

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...

Aug 31, 2026

Full time

Junior Project Manager- San Diego

$80,000 - $100,000 yearly

Epsilon Systems San Diego, CA

2026-162 | Junior Project Manager Job ID: 2026-162 Date Posted: Apr 20, 2026 Department: Mission Services West Location: San Diego, California Salary Range: $80,000.00 – $100,000.00 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 5 Years Minimum Education: Bachelor's Degree Epsilon Systems Solutions, Inc. is seeking a full time Junior Project Manager in San Diego, CA. Job Summary: Planning, organizing, staffing, coordinating,...

Aug 20, 2026

Full time

K-9 Junior Handler - Los Angeles

$27.00 hourly

Triple Canopy Los Angeles, CA

POSITION SUMMARY The Junior Handler will be responsible for screening cargo in compliance with TSA rules and regulations. The Junior Handler will be required to complete a 4–8-weeks minimum team training course and certification prior to mobilization to the assigned location.  Pay rate is compensated at $27 per hour Virtual training rate is compensated at $25 per hour Moyock training rate is compensated at $15 per hour RESPONSIBILITIES Participate in CCSP related training to search cargo and identify explosive threats  Conduct authorized representative duties related to X-Ray, physical search, and explosive trace detection as needed  Perform Junior Handler duties while commanding a trained explosive working dog  Responsible for maintaining training records  Responsible...

Sep 01, 2026

Full time

Integrated Master Scheduler San Diego

$100,000 - $120,000 yearly

Highbury Defense Group HDG Hybrid (San Diego, CA)

Integrated Master Scheduler 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 strengthening the systems our society depends on.  This position requires active U.S. national security clearance and the ability to obtain one. To...

Sep 01, 2026

Full time

Training Specialist- San Diego

$80,000 - $95,000 yearly

Highbury Defense Group HDG Hybrid (San Diego, CA)

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...

Sep 01, 2026

Full time

ASW Training Specialist- San Diego

$76,500 - $103,500 yearly

General Dynamics Information Technology San Diego, CA

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...

Sep 01, 2026

Full time

Program Security Representative (PSR) I- San Diego

$93,662 - $122,820 yearly

General Dynamics Information Technology San Diego, CA

Program Security Representative (PSR) I Clearance Level Top Secret/SCI Category Security Operations Location Palmdale, California (Onsite Workplace) Apply Now Key Skills For Success Facility Security Physical Security System Security Share REQ#: RQ219224 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 The Program Security Representative’s primary function is to provide multi-discipline security support for one or more of the customer’s Special Access Programs (SAPs). The position will provide “day-to-day” multi-discipline analysis for Collateral, Sensitive Compartmented...

Sep 01, 2026

Full time

Project Assistant (SATCOM) San Diego, CA

$35.00 - $40.00 hourly

Centurum San Diego, CA

Project Assistant (SATCOM) San Diego, CA Full Time SATCOM Mid Level DUTIES AND RESPONSIBILITIES Centurum is looking for a Project Assistant with two (2) years of experience facilitating the smooth execution of projects by providing administrative and operational support to project managers and teams. Typical daily activities include: Updating project plans and trackers Taking and distributing meeting minutes Following up with team members on assigned tasks Research information for project reports Key responsibilities are: Documentation & Reporting: Documents Control – Including but not limited to Engineering Change Request (ECR), Engineering Change Order (ECO), creating, updating, and filing project documents, reports, and presentations using tools like MS Office or specialized PM software Scheduling & Coordination: Coordinating meetings, setting up conferences, managing...

Sep 01, 2026

Full time

Network / System Administrator, Senior- Vandenberg SFB

$150,000.00 - $170,000.00 hourly

Bowhead Vandenberg Space Force Base, CA

Network / System Administrator, Senior ID 2026-25953 Category Information Technology Location : Location US-CA-Vandenberg SFB Min USD $150,000.00/Yr. Max USD $170,000.00/Yr. Clearance Level Must Be Able to Obtain Top Secret/SCI Minimum Clearance Required Secret Travel Requirement Less than 10% Overview Delta Solutions and Services Bowhead is seeking a Senior Network/ System Administrator for our team at Vandenberg SFB. The Network / System Administrator is responsible for the configuration, management, security, and sustainment of critical IT infrastructure supporting DoD mission systems. This hybrid position combines advanced network administration—managing routers, switches, firewalls, and cabling—with system administration...

Sep 01, 2026

Full time

Client Systems Support Specialist, Mid-Level- Vandenberg SFB

$50.48 hourly

Bowhead Vandenberg Space Force Base, CA

Client Systems Support Specialist, Mid-Level ID 2026-26049 Category Information Technology Location : Location US-CA-Vandenberg SFB Min USD $50.48/Hr. Max USD $50.48/Hr. Minimum Clearance Required Top Secret/SCI Travel Requirement Less than 10% Overview Delta Solutions and Services Bowhead is seeking a Mid-Level Client Systems Support Specialist to support our team at Vandenberg SFB. The Client Systems Support team provides responsive, comprehensive, and secure end-user IT support across all S4S networks and facilities. Personnel ensure users have reliable access to classified and unclassified systems, communications tools, and collaboration platforms necessary to execute the mission. This position integrates front-line Help Desk functions, technical endpoint support, and...

Sep 01, 2026

Full time

Asset Management Specialist- Vandenberg SFB

$45.67 hourly

Bowhead Vandenberg Space Force Base, CA

Asset Management Specialist ID 2026-26071 Category Information Technology Location : Location US-CA-Vandenberg SFB Min USD $45.67/Hr. Max USD $45.67/Hr. Minimum Clearance Required Top Secret/SCI Travel Requirement Less than 10% Overview Delta Solutions and Services Bowhead is seeking an Asset Management Specialist to support our team at Vandenberg SFB. The Asset Management Technician is responsible for managing all activities associated with IT asset lifecycle management, procurement, accountability, and inventory control across S4S. This position ensures all hardware, software, and associated materials are accurately tracked, documented, and maintained in compliance with DoD and organizational policies. The Asset Management Technician maintains comprehensive records and databases...

Sep 01, 2026

Full time

First Line Supervisor-Herlong

Bowhead Herlong, CA

First Line Supervisor ID 2026-25306 Category Program/Project Management Location : Location US-CA-Herlong Clearance Level Must Be Able to Obtain N/A Minimum Clearance Required Secret Travel Requirement 10% - 25% Overview FIRST LINE SUPERVISOR (RRAD) Bowhead seeks First-Line Supervisors to fill positions at the Sierra Army Depot located in Herlong, CA to oversee daily maintenance/productions operations and personnel to ensure the facility remains mission-ready and compliant with strict Department of Defense (DoD) regulations. Performs a variety of complex tasks. A certain degree of creativity and latitude is required. Typically attends Government Program Meetings and reports to a Corporate Director or Official. Responsibilities This is a proposal...

Sep 01, 2026

Full time

Site Supervisor-Herlong

$91,000.00 - $145,000.00 hourly

Bowhead Herlong, CA

Site Supervisor ID 2026-25308 Category Program/Project Management Location : Location US-CA-Herlong Clearance Level Must Be Able to Obtain N/A Minimum Clearance Required Secret Travel Requirement 10% - 25% Overview SITE SUPERVISOR (RRAD) Bowhead seeks Site Supervisors to fill positions at the Sierra Army Depot located in Herlong, CA to oversee daily maintenance/productions operations and personnel to ensure the facility remains mission-ready and compliant with strict Department of Defense (DoD) regulations. Responsibilities This is a proposal effort pay to be determined upon award of contract. Has full responsibility for the formulation and accomplishment of the annual execution plan for maintenance/production on assigned weapons/support systems,...

Sep 01, 2026

Full time

Red Hat Certified Engineer (RHCE)- Corona

$200,000.00 - $240,000.00 hourly

Bowhead Corona, CA

Red Hat Certified Engineer (RHCE) ID 2026-25817 Category Information Technology Location : Location US-CA-Corona Min USD $200,000.00/Yr. Max USD $240,000.00/Yr. Clearance Level Must Be Able to Obtain Secret Minimum Clearance Required Secret Travel Requirement Less than 10% Overview Bowhead seeks a Red Hat Certified Engineer (RHCE) to join our team on the Corona IT program. The Red Hat Certified Engineer (RHCE) will provide senior-level administration, engineering, and operational support for Linux-based enterprise systems and container platforms supporting mission-critical government and DoD programs and serve as a technical authority for Linux infrastructure, container orchestration, automation, and secure system operations in classified and unclassified...

Aug 31, 2026

Full time

1608 - Mid-level Data Engineer- San Diego

$75,000 - $90,000 yearly

Sigma Defense San Diego, CA

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....

Aug 31, 2026

Full time

Buyer (Engineering Tech IV)- San Diego

$39.78 hourly

PCSI San Diego, CA

Buyer Lead (Engineering Tech V) Job Category : Office and Administrative Support Requisition Number : BUYER003731 Posting Details Posted : August 18, 2026 Full-Time On-site Locations Showing 1 location San Diego, CA 92136, USA Job Details Description Overview: PCSI is seeking an experienced Buyer Lead (Engineering Tech V) ! This position will report to the Procurement Supervisor and is based in San Diego, CA. Typical work hours will be Monday through Friday from 7:00am-3:30pm PCSI is an AbilityOne employer—as such, individuals and veterans with disabilities may be prioritized based on role. Documentation may be required. ...

Aug 31, 2026

Full time

H2FIT: Strength & Conditioning Coach - Fort Irwin

$55,248 - $82,873 yearly

Serco Fort Irwin, CA

H2FIT: Strength & Conditioning Coach - Fort Irwin, CA ID 69942 Recruiting Location : Location US-CA-Fort Irwin Category Health/Medical Position Type Full-Time Security Clearance Other Clearance Details The ability to pass a NACI (Tier 1) to obtain access to U.S. Government facilities and systems. Telework No - Teleworking not available for this position Campaign LPH2F Position Description If you love high profile and challenging projects supporting the US Army, Serco has a great opportunity for you! This Strength and Conditioning Coach Certified (SCCC) will be on a dynamic team, supporting Holistic Health and Fitness (H2F) initiative, the Army’s investment in Soldier Readiness. The Strength and Conditioning Coach (SCC) is a pivotal member...

Aug 31, 2026

Temp to Perm

Cloud Security Engineer- Seaside

$107,900 - $195,050 yearly

Leidos Seaside, CA

Cloud Security Engineer Job #: R-00182521 Location: Seaside, CA Category: Cyber Security Architecture and Engineering Schedule (FT/PT): Full Time Travel Required: No Shift: Day Remote Type: No Remote Clearance: Top Secret External Referral Program : Ineligible Sector: Health Share: share to twitter share to facebook share to linkedin Apply Now Save Job This role is contingent upon winning the award The Health and Services Sector at Leidos currently has an opening for a Cloud Security Engineer to work in the Seaside, CA area. This is an exciting opportunity to use your experience supporting the Defense Testing and Assessment Center (DTAC) Manpower Personnel Testing Analysis (MPTA) mission. In this mission, we deliver...

Aug 31, 2026

Temp to Perm

Cloud Engineer- Seaside

$69,550 - $125,725 yearly

Leidos Seaside, CA

Cloud Engineer Job #: R-00182516 Location: Seaside, CA Category: Systems Integration Schedule (FT/PT): Full Time Travel Required: No Shift: Day Remote Type: No Remote Clearance: Top Secret External Referral Program : Ineligible Sector: Health Share: share to twitter share to facebook share to linkedin Apply Now Save Job 1. Position Overview The Health and Services Sector at Leidos currently has an opening for a Cloud Engineer to work in the Seaside, CA area. This is an exciting opportunity to use your experience helping the Defense Testing and Assessment Center (DTAC) Manpower Personnel Testing Analysis (MPTA) mission. In this mission, we design, develop, and sustain secure, scalable cloud-based systems that...

Aug 31, 2026

Full time

Intelligence Analyst- Marysville

$59,150 - $106,925 yearly

Leidos Hybrid (Marysville, CA)

Intelligence Analyst Job #: R-00172485 Location: Marysville, California Category: Intel Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: No Remote Clearance: Top Secret/SCI External Referral Program : Ineligible Sector: Defense Share: share to twitter share to facebook share to linkedin Apply Now Save Job Accelerate Your Career in National Security with Leidos! At Leidos, we're more than just a company—we're a launchpad for your future. Through world-class training, dynamic teamwork, and exposure to cutting-edge technical challenges, we'll help you advance your career to new heights. We’re seeking Junior and Mid Level Multi-Intelligence Surveillance and...

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