11 defense contractor national defense jobs found

Title: TACOM (SIAD): Welder (Contingency) Belong, Connect, Grow, with KBR! Program Summary The U.S. Army Tank-automotive and Armaments Command (TACOM) sustains the Army’s mission to develop, acquire, field, and sustain ground combat, tactical, and support systems throughout their lifecycle. The program focuses on ensuring operational readiness, reliability, and safety of automotive and ground support equipment critical to Army operations. Under this contract, personnel provide maintenance, repair, overhaul, and sustainment support in accordance with Army technical manuals, safety standards, and performance requirements. Job Summary The Welder performs fabrication, repair, and modification of metal components and structures in support of TACOM maintenance and sustainment operations. The role applies welding techniques to restore or enhance equipment and structural integrity in accordance with technical specifications and quality standards. This position is contingent...

Title: TACOM (SIAD): Plumber (Contingency) Belong, Connect, Grow, with KBR! Program Summary The U.S. Army Tank-automotive and Armaments Command (TACOM) sustains the Army’s mission to develop, acquire, field, and sustain ground combat, tactical, and support systems throughout their lifecycle. The program focuses on ensuring operational readiness, reliability, and safety of automotive and ground support equipment critical to Army operations. Under this contract, personnel provide maintenance, repair, overhaul, and sustainment support in accordance with Army technical manuals, safety standards, and performance requirements. Job Summary As a Plumber , you will report to and receive assignments, instructions, and direction from the Foreman or General Foreman. You will install, service, and repair all facets of plumbing from water heaters, urinals, toilets and shower units. This position is contingent upon award Roles and Responsibilities Provide leadership,...

Title: TACOM (SIAD): HVAC Mechanic (Contingency) Belong, Connect, Grow, with KBR! Program Summary The U.S. Army Tank-automotive and Armaments Command (TACOM) sustains the Army’s mission to develop, acquire, field, and sustain ground combat, tactical, and support systems throughout their lifecycle. The program focuses on ensuring operational readiness, reliability, and safety of automotive and ground support equipment critical to Army operations. Under this contract, personnel provide maintenance, repair, overhaul, and sustainment support in accordance with Army technical manuals, safety standards, and performance requirements. Job Summary The Air Conditioning Mechanic (HVAC Mechanic) performs installation, maintenance, troubleshooting, and repair of heating, ventilation, air conditioning (HVAC), and refrigeration systems in support of TACOM operations. This role ensures all environmental control systems are fully operational to support mission readiness of military...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Associate, Facilities (Construction Coordinator) Job Code: 45096 Job Location: Canoga Park, CA Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. J ob Title: Welder - Journeyman Job Code: 43304 Job Location: Canoga Park, CA Job Schedule: 2nd Shift 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off Job Description:...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Facilities Technician Job Code: 44083 Job Location: Vandenberg SFB, CA Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off Job Description: L3Harris is seeking a...

Position Summary Provide Naval Information Warfare Center Pacific (NIWC Pacific) with engineering, design, and review tasks within the NIWC Pacific area of responsibility.    Responsibilities Participate in functional testing, commissioning and re-commissioning of equipment of HVAC equipment to close out construction projects, troubleshooting existing HVAC equipment, overseeing maintenance operations, reviewing HVAC equipment submittals, and assisting construction managers and engineers during the design, solicitation, and construction administrative phases of projects.   Conduct site visits, perform project evaluations, document existing conditions, and propose cost effective solutions to existing HVAC problems. The MET shall have experience with navigating and utilizing a DDC controls system.  Perform daily site visits and provide quality assurance thorough inspections. Document findings that are not in accordance with the contract...

  EXAM NUMBER: J7492P   TYPE OF RECRUITMENT: OPEN COMPETITIVE JOB OPPORTUNITY   REASONS TO JOIN OUR TEAM:   Check Out Our Outstanding Benefits! Los Angeles County offers one of the strongest public-sector benefits packages in the nation. Flexible Benefit Plans - The County provides each employee with a monthly "benefit allowance" they can use to pay for benefits, allowing employees to choose among a variety of pre-tax and after-tax benefits that include Medical and Dental coverage, Group life insurance, Accidental Death and Dismemberment Insurance, Health care spending accounts, Long-term disability health insurance, Subsidized Dependent Care Spending Accounts.  Robust Retirement Packages - Contributory-defined benefit plan; optional tax-deferred income plans that may include a county matching contribution up to 4% of employee's salary. Generous Maternity and Family Leave Benefits Thirteen (13) paid holidays...

Date Posted: 2026-07-17 Country: United States of America Location: US-CA-LIVERMORE-917 ~ 6011 Industrial Way ~ BLDG 917 Position Role Type: Onsite What We Offer ·       Receive increases each year per the Union Contract with the International Brotherhood of Teamsters. ·       Medical Coverage—Medical coverage for you and your family begins the day you're hired - there's no waiting period. ·       Retirement Savings Plan (401K) ·       Life and Accident Insurance ·       Short and Long Term Disability ·       Sick Leave, Personal Days, Holidays, Vacation Time Off Learn More & Apply Now! Avionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, from aircraft and airports to air traffic management....

Date Posted: 2026-08-17 Country: United States of America Location: US-CA-LIVERMORE-917 ~ 6011 Industrial Way ~ BLDG 917 Position Role Type: Onsite What We Offer ·       Receive increases each year per the Union Contract with the International Brotherhood of Teamsters. ·       Medical Coverage—Medical coverage for you and your family begins the day you're hired - there's no waiting period. ·       Retirement Savings Plan (401K) ·       Life and Accident Insurance ·       Short and Long Term Disability ·       Sick Leave, Personal Days, Holidays, Vacation Time Off Learn More & Apply Now! Avionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, from aircraft and airports to air traffic management....

Ref. PCN2288   TITLE: Lead Plumber and Irrigation Specialist REPORTS TO: Assigned Supervisor DEPARTMENT: Buildings and Grounds CLASSIFICATION: Classified FLSA: Non-Exempt WORK YEAR / HOURS 261 days/8.0 hours ISSUED: October 2008 Revised: SALARY GRADE: B&GR 29 BASIC FUNCTION :  Perform journey-level work with various materials and fixtures used in installation, removal, maintenance, extension, and alteration of plumbing systems.  Train, provide work direction, and guidance to assigned personnel. REPRESENTATIVE DUTIES: (Incumbents may perform any combination of the essential functions shown below. This position description is not intended to be an exhaustive list of all duties, knowledge, or abilities associated with this classification, but is intended to accurately reflect the principal job elements). E = Essential Functions  Oversee the installation, repair, and servicing of all work related to plumbing and irrigation...