• Heating Ventilation and Air

    SOS International LLC (Reston, VA)
    …contingent upon contract award SOS International LLC (SOSi) is seeking a Heating Ventilation and Air Conditioning Mechanic to provide support for a ... Facilities and Life Support Contract performed at an overseas location. Essential Job Duties Must be thoroughly familiar with HVACR maintenance of equipment. Thorough knowledge of refrigeration, HVACR systems. A record of safe operations and working knowledge… more
    SOS International LLC (04/17/25)
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  • Secret HVAC Technician - INTL Qatar

    Insight Global (Reston, VA)
    …-Operate a chemical water treatment program for all closed-loop HVAC ( Heating , Ventilation , and Air Conditioning ) systems, such as in a chilled ... air differential pressure switches, fan coil units, packaged air conditioners, Computer Room Air Conditioning (CRAC) units, and direct digital controls… more
    Insight Global (07/02/25)
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  • Telecommunications Specialist

    Parsons Corporation (Centreville, VA)
    …communications systems, and computer networks including supporting infrastructure (security, power, heating - ventilation - air conditioning , fuel, fire ... to perform integrated, multidisciplinary assessments that assess survivability of critical US Air Force mission systems, infrastructures, and assets. The Air more
    Parsons Corporation (06/12/25)
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  • (USA) Technician, Refrigeration/HVAC

    Walmart (Haymarket, VA)
    …listed, there are no minimum qualifications._ Minimum Qualifications: Vocational or Technical Heating , Ventilation , Air Conditioning , and Refrigeration ... (HVAC/R) certification and 2 years experience in mechanical maintenance or construction-related field for commercial HVAC/R and building controls OR 4 years experience in mechanical maintenance or construction-related field for commercial HVAC/R and building… more
    Walmart (05/31/25)
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  • (USA) Technician, Refrigeration/HVAC

    Walmart (Manassas, VA)
    …listed, there are no minimum qualifications._ Minimum Qualifications: Vocational or Technical Heating , Ventilation , Air Conditioning , and Refrigeration ... (HVAC/R) certification and 2 years experience in mechanical maintenance or construction-related field for commercial HVAC/R and building controls OR 4 years experience in mechanical maintenance or construction-related field for commercial HVAC/R and building… more
    Walmart (06/02/25)
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  • Junior Mechanical Engineer

    Leidos (Chantilly, VA)
    …the planning, design, and analysis of mechanical systems-primarily Heating , Ventilation , and Air Conditioning (HVAC)-for mission-critical operations in ... in the design and layout of HVAC systems, including ductwork, piping, ventilation , and equipment selection for 24x7 mission-critical environments. + Prepare, revise,… more
    Leidos (05/24/25)
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  • General Engineer- Facilities/Utility Systems

    Parsons Corporation (Centreville, VA)
    …various infrastructure elements, such as water, wastewater, electricity, heating , ventilation , and air conditioning (HVAC), petroleum products, fire ... interpret requirements, ensure responsiveness, and achieve successful performance The Air Force Mission Assurance Assessment Team requires highly specialized… more
    Parsons Corporation (06/29/25)
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  • Critical Environment Technician

    Microsoft Corporation (Sterling, VA)
    …inspection of critical environment-related facility equipment (eg, controls, heating , ventilation , and air conditioning [HVAC], mechanical systems), ... building, and grounds for unsafe or abnormal conditions. Understands critical system alarms for single discipline(s) of equipment, their meanings, and engages with appropriate escalation processes or procedures. Recognizes circumstances where execution would… more
    Microsoft Corporation (06/09/25)
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  • Principal Engineer (PE) Electronics

    Amentum (Springfield, VA)
    …and electronic test equipment. + Preform the proper maintenance of heating , ventilation and air conditioning systems and site power and grounding. ... **Minimum Requirements:** + Must possess a US government Top Secret security clearance with SCI eligibility (TS/SCI). Some positions may require a polygraph. + Bachelor's degree in electrical engineering from an accredited college/university and 10 years of… more
    Amentum (06/27/25)
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  • Mechanical Lead

    V2X (Springfield, VA)
    …commissioning, operation, and maintenance of commercial mechanical systems ( Heating , Ventilation , and Air Conditioning (HVAC), plumbing, compressors, ... pumps, motors, domestic water, etc.). + Seven (7) years of demonstrated experience with commercial boilers (natural gas and oil) rated at a minimum of 250 horsepower. + Seven (7) years of demonstrated experience with commercial control systems. + Five (5)… more
    V2X (06/15/25)
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