• Mechanical Engineer - Multiple…

    Leidos (Reston, VA)
    …+ Provide mechanical engineering expertise to assist with recommendations of protective HVAC designs for facilities of interest + Provide briefings on R&D ... CI poly level clearance + US Citizenship is required + Working knowledge of mechanical ( HVAC ) and life safety systems associated with critical environments +… more
    Leidos (09/20/25)
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  • Critical Facility Technician 3 ( HVAC SME)…

    M. C. Dean (Manassas, VA)
    …cyber-physical solutions for the nation's most recognizable mission critical facilities , secure environments, complex infrastructure, and global enterprises. The ... headquartered in Tysons, Virginia, and employs more than 5,800 professionals who engineer and deploy automated, secure, and resilient power and technology systems;… more
    M. C. Dean (11/28/25)
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  • Mechanical Engineer - Energy…

    CMTA, Inc (Fairfax, VA)
    …opportunities. **Job Summary:** CMTA, a Legence company, is looking for an entry-level mechanical engineer to help in our Energy Solutions office in ... can easily make the transition to become an energy engineer within our Energy Solutions group. The entry-level ...The company specializes in designing, fabricating, and installing complex HVAC , process piping, and other mechanical , electrical,… more
    CMTA, Inc (11/01/25)
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  • HVAC Design Energy Analysis Modeling

    CDM Smith (Chesapeake, VA)
    …to meet client needs. This includes HVAC master planning and studies, HVAC and plumbing systems, mechanical systems such as co-generation, and centralized ... and future needs. This role offers a unique opportunity to contribute to HVAC and plumbing design while also developing detailed energy models and conducting energy… more
    CDM Smith (10/31/25)
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  • Senior Mechanical Engineer (Design),…

    TYLin (Alexandria, VA)
    …Do** + **Lead mechanical design** for stations, tunnels, and transit facilities - including HVAC , tunnel ventilation, and supporting systems. + Develop ... Summary** TYLin's Rail + Transit team is growing, and we're looking for a Senior Mechanical Project Engineer who is passionate about mechanical design, not… more
    TYLin (10/25/25)
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  • Mechanical Engineer

    CMTA, Inc (Arlington, VA)
    …**Design with Purpose. Lead with Impact. Grow with Us.** Are you a passionate Mechanical Engineer looking to take the next big step in your career? ... and changemakers. We're looking for a skilled and motivated Mechanical Engineer to join our growing team...(or related field). + 3+ years of experience designing HVAC and mechanical systems + EIT certification… more
    CMTA, Inc (12/08/25)
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  • Mechanical Engineer 3

    M. C. Dean (Vienna, VA)
    …with increasing project size, scope and complexity, the need to recruit a Mechanical Engineer for the Critical Infrastructure solutions (CIS) business unit. ... cyber-physical solutions for the nation's most recognizable mission critical facilities , secure environments, complex infrastructure, and global enterprises. The… more
    M. C. Dean (11/28/25)
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  • Mechanical Engineer Intern/Co-op…

    CMTA, Inc (Richmond, VA)
    …This position provides a unique opportunity for hands-on training in mechanical / HVAC /Energy design. The ideal candidate will possess excellent interpersonal ... in buildings. The company specializes in designing, fabricating, and installing complex HVAC , process piping, and other mechanical , electrical, and plumbing… more
    CMTA, Inc (12/11/25)
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  • Senior Mechanical Engineer - Energy…

    CMTA, Inc (Fairfax, VA)
    …in buildings. The company specializes in designing, fabricating, and installing complex HVAC , process piping, and other mechanical , electrical, and plumbing ... CMTA, a Legence company, is looking for an experienced Engineer to help expand our reach in new markets....we have found that engineers with strong backgrounds in HVAC design and commissioning can easily make the transition… more
    CMTA, Inc (12/05/25)
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  • Senior Mechanical Engineer

    Bechtel Corporation (Reston, VA)
    …long-lasting energy future for generations to come. # Job Summary: As a Senior Mechanical Engineer , you will support the development of Mechanical systems ... the design. # Education and Experience Requirements: Requires a bachelor's degree in Mechanical (or related) Engineering with a minimum of 8 years of relevant… more
    Bechtel Corporation (12/15/25)
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