• HVAC Installer

    Tradesmen International, Inc. (Alameda, CA)
    **Description** Tradesmen International is immediately hiring skilled ** HVAC Installers** for projects located in and around **San Jose, CA.** This is a full time ... on experience & skill level. If you are an HVAC Installer and want to work alongside other proven...and safety standards + Fabricate, hang and connect commercial duct work including sheet metal, flex and specialty component… more
    Tradesmen International, Inc. (12/11/25)
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  • Senior Mechanical Engineer - Commercial…

    EMCOR Group (Fresno, CA)
    **About Us** We are a full-service HVAC , building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with ... Project Managers and Sales Professionals to review and recommend engineered HVAC solutions and designs, coordinate and quality check outsourced engineering… more
    EMCOR Group (10/14/25)
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  • HVAC Service Technician (Commercial)

    APTIM (Barstow, CA)
    …and plenums. Installs evaporator units in chassis or in air duct systems. Troubleshoots and services compressors, temperature controls, and circulating ventilation ... experience in heating, ventilation, and air conditioning, repair; or successful completion of HVAC trade school plus one (1) full year's actual experience. + Must… more
    APTIM (11/07/25)
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  • Tradesman - HVAC

    EMCOR Group (San Leandro, CA)
    **About Us** We are a full-service HVAC , building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with ... indoor air quality related maintenance including but not limited to the cleaning of duct systems and drain pans. + General housekeeping tasks that are required by… more
    EMCOR Group (10/14/25)
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  • Mechanical Engineer - Aviation & Federal…

    Burns & McDonnell (San Diego, CA)
    …of projects from the conceptual phase through design completion, covering various HVAC and plumbing systems: air-side/ duct design, chilled and condenser water, ... designs for new projects, alterations and redevelopments on a variety of HVAC and plumbing projects primarily for aviation, government, and military facilities. The… more
    Burns & McDonnell (11/20/25)
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  • Mechanical Designer - Aviation & Federal…

    Burns & McDonnell (Brea, CA)
    …knowledge of AutoCAD and Revit software in design work. + Execute knowledge of HVAC and plumbing systems: air-side/ duct design, chilled water, heating hot water, ... perform various phases of planning, design, and preparation of HVAC and plumbing plans as part of a project...IPC) related to design requirements. + Produce complete piping, duct , and equipment layouts and P&IDs from verbal or… more
    Burns & McDonnell (11/20/25)
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  • Refrigeration Mechanic

    The County of Los Angeles (Los Angeles, CA)
    …TO QUALIFY OPTION I: Completion of a heating, ventilation, air conditioning ( HVAC ) mechanic apprenticeship program *. OPTION II: Six years of experience in ... air conditioning systems involving modulating and safety controls, thermostats, humidifiers and duct stats, one year of which must have been at the journey-level**… more
    The County of Los Angeles (12/06/25)
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  • Refrigeration Mechanic

    The County of Los Angeles (Los Angeles, CA)
    …MINIMUM REQUIREMENTS: Option I:Completion of a heating, ventilation, air conditioning ( HVAC ) mechanic apprenticeship program. Option II:Six years (6) of experience ... systems involving modulating and safety controls, thermostats, humidifiers and duct stats, one year of which must have been...THE ABOVE INFORMATION 02 Do you have a valid HVAC mechanic apprenticeship program certificate? If so, please provide… more
    The County of Los Angeles (10/18/25)
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  • Sr Mechanical Facilities Engineer II

    Gilead Sciences, Inc. (Foster City, CA)
    …as technical owner for major building systems, including: + **Required systems:** HVAC , chilled water, heating hot water, cold rooms, clean rooms, environmental ... utility systems. + Demonstrated proficiency in: + Core engineering fundamentals. + HVAC (cooling/heat load, airflow balance, pressure cascade, fan curves, duct more
    Gilead Sciences, Inc. (12/02/25)
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  • Mechanical Engineering III

    AECOM (Orange, CA)
    …calculations, drawings, specifications, and reports, ventilating, and air-conditioning ( HVAC ) for commercial, governmental, and institutional facilities + Exercise ... Professional Engineer Licensed - Mechanical + Extensive understanding of HVAC engineering fundamentals including load calculations, conceptual systems analysis… more
    AECOM (10/08/25)
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