• Senior Mechanical HVAC…

    Jacobs (Arlington, VA)
    …market and every location. We're looking for an experienced, high- energy , HVAC Engineer to join our Building Mechanical team and help deliver innovative HVAC ... of HVAC systems. * Bachelor of Science Degree in Mechanical Engineering. * Adaptability to work within a fast-paced...with multiple deadlines. * Ability to lead a building mechanical team on a project and to collaborate with… more
    Jacobs (10/17/25)
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  • Balance of Plant Senior Mechanical

    Sargent & Lundy (Richmond, VA)
    …analyses. + Modification packages for operating nuclear power plants + Functional mechanical drawings and/or drawings for nuclear power plant systems + Technical ... US for this position. + BS or MS in Mechanical Engineering from an ABET accredited program + A...of a team driving the future of clean, carbon-free energy . Since 1954, we've been a trusted leader in… more
    Sargent & Lundy (09/09/25)
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  • Senior Solar Energy Engineer

    CMTA, Inc (Fairfax, VA)
    …designing, fabricating, and installing complex HVAC, process piping, and other mechanical , electrical, and plumbing (MEP) systems-enhancing energy efficiency, ... data-driven, holistic approach to consulting engineering, performance contracting, and zero energy projects. We focus on finding engineers whose skills and… more
    CMTA, Inc (11/25/25)
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  • Mechanical Engineer

    Fairfax County Sheriff's Office (Fairfax, VA)
    Mechanical Engineer ( Engineer IV) Print (https://www.governmentjobs.com/careers/fairfaxcounty/jobs/newprint/5104001) Apply  Mechanical Engineer ( ... mechanical , plumbing systems, and Building Automation Systems. + As licensed professional mechanical engineer signs and seals own work product. + Ensures the… more
    Fairfax County Sheriff's Office (11/02/25)
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  • Facilities Mechanical Engineer

    Leidos (Chantilly, VA)
    **Description** ** Senior Mechanical Engineer ** Leidos is seeking a seasoned and innovative Senior Mechanical Engineer to lead the design, ... maintenance, and configuration management of complex building mechanical systems across a secure site. This role demands...experience, or Master's with 6-10 years. + **Registered Professional Engineer (PE)** in good standing or **ability to obtain… more
    Leidos (10/31/25)
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  • Mechanical Engineer

    Leidos (Springfield, VA)
    **Description** **Leidos - Multi-Domain Solutions (MDS) Division** **Position: Junior Level Mechanical Engineer ** Leidos and its Multi-Domain Solutions (MDS) ... division are seeking a highly motivated **Junior Mechanical Engineer ** to support the planning, design,...AutoCAD, Revit MEP, or similar design software. + Support mechanical system load calculations, energy modeling, and… more
    Leidos (10/23/25)
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  • Protection & Control Design, Engineer /Sr.…

    Dominion Energy (Glen Allen, VA)
    …this position. **Job Summary** There are multiple positions that will be filled at the Engineer , Senior Engineer III or Engineering Technical Specialist II, ... Substation Physical Engineering, Substation P&C Engineering, or demonstrated equivalent. + Senior Engineer : 5+ years of experience Substation Physical… more
    Dominion Energy (11/20/25)
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  • Mechanical Commissioner - Project…

    Veolia North America (Sterling, VA)
    …than 350 locations across North America. **Job Description** **Position Purpose:** Project Engineer - Performs commissioning of mechanical systems. Must be a ... information; executing daily field activities; maintaining project documentation; assisting the Senior Project Engineer ; and providing guidance to associate… more
    Veolia North America (11/22/25)
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  • Mechanical Engineer

    Leidos (Chantilly, VA)
    **Description** ** Mechanical Engineer - Mission-Critical Facilities Design** Leidos is seeking a driven and detail-oriented Junior level Mechanical ... facilities. This is a growth-focused role where you'll work alongside senior engineers to develop high-performance, energy -efficient, and code-compliant systems… more
    Leidos (11/05/25)
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  • Mechanical Engineer

    MPR Associates (Alexandria, VA)
    …engineering services and consulting firm. We have exciting opportunities for experienced mechanical engineers to join our team. If you are seeking a unique, ... MPR solves challenging problems for clients in the fields of power and energy , federal services, and health and life sciences. We provide top-tier engineering… more
    MPR Associates (10/14/25)
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