• Mechanical Engineer (Engineer IV)

    Fairfax County Sheriff's Office (Fairfax, VA)
    …difficult professional engineering work in managing and participating in the design , installation, operation and maintenance of HVAC , Building Automation ... of commercial building automation systems managing commercial building HVAC systems and operations and the design ...building HVAC systems and operations and the design and construction of critical building mechanical and plumbing… more
    Fairfax County Sheriff's Office (12/22/25)
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  • Director Global Mission Critical Engineering…

    Amentum (Herndon, VA)
    …and existing datacenter facilities. This challenging and unique role will involve directing the design of Critical Power Systems and HVAC / Cooling / Mechanical ... heating and cooling load calculations, ductwork and piping sizing, selecting HVAC equipment, energy modeling and other engineering calculations and Electrical Power… more
    Amentum (12/16/25)
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  • Energy Services Project Developer

    Trane Technologies (Richmond, VA)
    …working with internal teams and customers to identify and develop turnkey design -build solutions and energy savings contracting projects, including scope of work ... Project Developer is responsible for Acquisition Support of both Design -Build Turnkey and Energy Performance Contracting project work. This...work requires. **What you will do: ** + Develop HVAC systems and solutions using a combination of Trane… more
    Trane Technologies (12/23/25)
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  • Project Development Team Leader

    Trane Technologies (Ashland, VA)
    …working with internal teams and customers to identify and develop turnkey design -build solutions and energy savings contracting projects, including scope of work ... The Project Developer is responsible for Acquisition Support of both Design -Build Turnkey and Energy Performance Contracting project work. This position requires… more
    Trane Technologies (12/06/25)
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  • Sr-Project Developer

    Trane Technologies (Ashland, VA)
    …working with internal teams and customers to identify and develop turnkey design -build solutions and energy savings contracting projects, including scope of work ... The Sr. Project Developer is responsible for Acquisition Support of both Design -Build Turnkey and Energy Performance Contracting project work. This position requires… more
    Trane Technologies (11/22/25)
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  • Engineer Mechanical 3

    Huntington Ingalls Industries (Newport News, VA)
    …the design , repair, maintenance, operation, and testing of shipboard HVAC systems. The candidate should have experience leading complex projects with defined ... (NNS) division is the largest industrial employer in Virginia. We're the sole designer , builder and refueler of US Navy nuclear aircraft carriers and one of… more
    Huntington Ingalls Industries (12/22/25)
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  • Senior Project Development Engineer (Federal)…

    CMTA, Inc (Fairfax, VA)
    …division of our company, we have found that engineers with strong backgrounds in HVAC design and commissioning can easily make the transition to become an ... plants + Cogeneration **Desired Skills:** + Management + Construction + Engineering Design + Energy + HVAC Design + Engineering + Auditing + Commissioning +… more
    CMTA, Inc (01/03/26)
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  • Mechanical Engineer

    Koniag Government Services (Quantico, VA)
    …multi-discipline team representation and be self-motivated, well organized, design oriented, and customer focused. **Essential Functions, Responsibilities & ... + Act as a consultant in the establishment of design standards and criteria for construction projects. Provide expert...+ Write and review sequence of operations for various HVAC systems. + Review various 24/7 mechanical systems and… more
    Koniag Government Services (11/20/25)
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  • BOC Specialist 1

    M. C. Dean (Alexandria, VA)
    Overview **About MC Dean** MC Dean is Building Intelligence@. We design , build, operate, and maintain cyber-physical solutions for the nation's most mission-critical ... & Analysis:** Continuously monitor and evaluate building systems-including BAS, HVAC , and controls-to ensure correct operation, adherence to calibration… more
    M. C. Dean (12/30/25)
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  • Mechanical Engineer - Multiple Levels - Top Secret…

    Leidos (Reston, VA)
    …process to produce accurate intelligence estimates of standard facility operations (power, HVAC , security, etc.) and equipment + Model different aspects of a ... + Provide mechanical engineering expertise to assist with recommendations of protective HVAC designs for facilities of interest + Provide briefings on R&D findings… more
    Leidos (12/20/25)
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