• HVAC Mechanic

    Amentum (Suitland, MD)
    …Must have a minimum of three (3) years' experience as commercial or residential WAC Refrigeration Mechanic . Work Environment + Works in an area in proximity to ... our team in **Suitland MD.** The Heating, Ventilation, and Air Conditioning Mechanic installs, modifies, and repairs refrigeration - hermetic, semi-hermetic,… more
    Amentum (10/23/25)
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  • Industrial Maintenance Mechanic

    Aerotek (Landover, MD)
    **Job Title: Maintenance Mechanic ** **Job Description** We are seeking a skilled Maintenance Mechanic to join our team. This role involves daily maintenance ... of boilers and steam generation for plant temperature control. + Comprehend refrigeration systems (Freon and Ammonia) with CFC Universal knowledge. + Possess… more
    Aerotek (01/13/26)
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  • Utility Systems Repairer-Operator (HVAC…

    Smithsonian Institution (Edgewater, MD)
    …people each year. Responsibilities The Utility Systems Repairer-Operator serves as a mechanic in any of the Building Management Division's (BMD) zones performing the ... maintenance on, and repairs equipment and component parts of refrigeration , air-conditioning, heating, high pressure steam distribution, humidification systems, and… more
    Smithsonian Institution (01/16/26)
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  • HVAC Technician SCD NERC

    Exelon (Bethesda, MD)
    …Must pass the criminal history background check. **Minimum Qualifications** 1. DC Master Refrigeration And Air Conditioning Mechanic DC 2. DC Class 3 - ... Steam and Hot Water Heating Boiler Engineer 3. MD Grade 3 - Stationary Engineer 4. Universal CFC Certificate 5. FERC and NERC certification. 6. Possess demonstrated… more
    Exelon (01/09/26)
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