Defense Contractor/ National Defense jobs in Rancho Cucamonga, CA

Jul 27, 2026

Full time

$105,000.00 - $150,000.00 hourly

Bowhead Corona, CA

IT Project Manager ID 2026-25720 Category Program/Project Management Location : Location US-CA-Corona Min USD $105,000.00/Yr. Max USD $150,000.00/Yr. Minimum Clearance Required Secret Travel Requirement Less than 10% Overview Bowhead seeks an IT Project Manager to join our team supporting the program office for NSWC Corona – Corona Division in Norco, California. The Project Manager will work directly with the Program Manager and the client analyzing complex and unique physical plant and technical support assignments within a scaled agile environment. This position is 100% onsite. Corona Division is the Navy’s premier independent assessment agent responsible for gauging the warfighting capability of Navy ships and...

Aug 01, 2026

Full time

Assembler/Solderer B Engineering- Buena Park

$21 - $23 yearly

Butler Aerospace and Defense Buena Park, CA

Assembler/Solderer B Engineering Buena Park, CA true Jul 28, 2026 Title: Assembler/Solderer B Location: Buena Park, CA (90620) Job ID#: 72870 Duration: 3-6 months (possibly longer) Rate Range: $21.00 - 23.00/hr W2 Shift: 1st shift Passing a visual acuity exam is required prior to start day. Job Summary Under general supervision, performs assembly and solder operations according to manufacturing specifications and process instructions. Maintains accurate work in progress paperwork. Primary Responsibilities Using assembly instructions/drawings/process specifications and various small hand tools, builds various electromechanical assemblies to meet specifications. Build wire harness using wire list and schematic. Using solder seal, vapor phase solder and touch-up irons, solders assemblies in accordance with process instructions. Visually inspects assemblies to ensure compliance to specifications. Fills out and...

Aug 01, 2026

Full time

Service Center Coordinator- Lakewood

$22 - $26 yearly

Butler Aerospace and Defense Lakewood, CA

Service Center Coordinator Location: Lakewood, CA Job ID: #72620 Pay Range: $22-26 Job Description A Service Center Coordinator provides critical interaction with all levels of internal and external customers, both in person and remotely. Some of the main responsibilities will be related to ship/receive activities but also to share, and back up, the front office Service Center Coordinator: • Perform shipping/receiving of domestic/international equipment and associated logging of that equipment. • Utilize main application for Work Ticketing to create and update tickets for all types of tasking • Interfacing with shipping vendors as needed • Procurement activities for ordering parts and equipment • Inventory tracking via our Costpoint system • Work with HQ on yearly inventory audit • Coordinating with vendors for repairs and calibrations to test equipment • Assist manager in tracking tasks and ensuring all costs are documented for...

Jul 24, 2026

Full time

Foreign Military Sales Specialist- Los Angeles

$165,000 - $185,000 yearly

Delta Solutions and Strategies Los Angeles, CA

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...

Jul 16, 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...

Jul 08, 2026

Full time

Supervisor, Security Protective Operations Center

$105,000 - $130,000 yearly

Space Exploration Technologies Corp Hawthorne, CA

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SUPERVISOR, SECURITY PROTECTIVE OPERATIONS CENTER Effectively oversee the daily management of the Hawthorne SPOC team to keep facilities and employees safe, secure, and operational. In the absence of the Security Manager, handle administrative duties and attend meetings as needed. Facilitate the duties of SPOC Operators and ensure SPOC standards & requirements are being met. Work with internal stakeholders and external vendors ensure all requests and duties are fulfilled. RESPONSIBILITIES: Reporting to the SPOC Manager, this position requires a high degree of diplomacy, flexibility, and adaptability At the direction of the SPOC Manager, oversee security...

Jul 08, 2026

Full time

Security Officer 3 Hawthorne

$28.00 hourly

Space Exploration Technologies Corp Hawthorne, CA

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SECURITY OFFICER 3 Security Officers are dedicated security professionals with a demonstrated ability to work independently and as a member of a team in a fast-paced high-tech environment. Security Officers work as a team, patrolling the company’s properties via vehicle and foot and/or ensuring security at a series of fixed locations in accordance with federal, state, and local laws as well as company regulations. RESPONSIBILITIES: Maintain proficiency/awareness of static guard post duties Plan and execute security support for SpaceX operations Plan and conduct advanced security training for all security officers Conduct advanced research and analysis...

Jul 14, 2026

Temp to Perm

Occupational Safety Health Analyst- Palmdale

$73,450 - $132,775 yearly

Leidos Palmdale, CA

Occupational Safety Health Analyst Job #: R-00169871 Location: Palmdale, California Category: Environmental Health And Safety Schedule (FT/PT): Full Time Travel Required: Yes, 50% of the time Shift: Day Remote Type: No Remote Clearance: Public Trust External Referral Program : Eligible Referral Bonus Amount: $1,000 Sector: Digital Modernization 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....

Jul 14, 2026

Temp to Perm

Field Service Technician I- Torrance

$48,100 - $86,950 yearly

Leidos Hybrid (Torrance, CA)

Field Service Technician I Job #: R-00179359 Location: Torrance, California Category: Field Services Schedule (FT/PT): Full Time Travel Required: Yes, 75% of the time Shift: Standard Plus On Call 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 is the cornerstone of Leidos’ comprehensive suite of fully-integrated security solutions for aviation, ports, borders, and critical infrastructure customers around the world. With our new, combined portfolio, our operation has more than 24,000...

Aug 02, 2026

Full time

Strategic Senior Acquisition Support Specialist El Segundo

$99,700 - $164,000 yearly

KBR El Segundo, CA

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...

Aug 02, 2026

Full time

Cyber Security Engineer El Segundo

$150,000 - $185,000 yearly

KBR El Segundo, CA

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...

Aug 01, 2026

Full time

Program Analyst SME - TS/SCI w/ Poly- El Segundo

$170,000 - $230,000 yearly

General Dynamics Information Technology El Segundo, CA

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...

Jul 14, 2026

Full time

Occupational Safety Health Analyst- El Segundo

$73,450 - $132,775 yearly

Leidos Hybrid (El Segundo, CA)

Occupational Safety Health Analyst Job #: R-00179800-OTHLOC-2612 Location: El Segundo, California Category: Environmental Health And Safety Schedule (FT/PT): Full Time Travel Required: Yes, 50% of the time Shift: Day Remote Type: No Remote Clearance: Public Trust External Referral Program : Eligible Referral Bonus Amount: $1,000 Sector: Digital Modernization 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....

Jul 14, 2026

Full time

Telecommunications Engineering Technician- El Segundo

$73,450 - $132,775 yearly

Leidos Hybrid (El Segundo, CA)

Telecommunications Engineering Technician Job #: R-00179219 Location: El Segundo, California Category: Telecommunications Schedule (FT/PT): Full Time Travel Required: Yes, 75% of the time Shift: Day Remote Type: No Remote Clearance: Public Trust External Referral Program : Eligible Referral Bonus Amount: $1,000 Sector: Digital Modernization Share: share to twitter share to facebook share to linkedin Apply Now Save Job The National Airspace Systems Integration Support (NISC) program at Leidos is seeking a Telecommunications Engineering Technician to provide support to the Federal Aviation Administration (FAA) Central Service Area - Engineering Services Group located in El Segundo, CA . The ideal...

Jul 14, 2026

Full time

Tier 2 Technician- El Segundo

$73,450 - $132,775 yearly

Leidos Hybrid (El Segundo, CA)

Tier 2 Technician Job #: R-00175717-OTHLOC-PL-2D0822 Location: El Segundo, California Category: Network Administration and Ops Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: No Remote Clearance: Top Secret/SCI with Polygraph External Referral Program : Ineligible Sector: Digital Modernization Share: share to twitter share to facebook share to linkedin Apply Now Save Job The Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician to support computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing...

15 jobs found in Rancho Cucamonga, CA