• Mechanical Engineer

    Fairfax County Sheriff's Office (Fairfax, VA)
    …, plumbing systems, and building automation systems. + As licensed professional mechanical engineer signs and seals own work product. + Ensures the timely ... Mechanical Engineer ( Engineer IV) Print... PE responsible for design and sealing of commercial building mechanical and plumbing system projects. + 3… more
    Fairfax County Sheriff's Office (12/15/25)
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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....experience, or Master's with 6-10 years. + **Registered Professional Engineer (PE)** in good standing or **ability to obtain… more
    Leidos (10/27/25)
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  • Lead Mechanical Engineer

    WSP USA (Arlington, VA)
    This Opportunity WSP is currently initiating a search for a **Lead Mechanical Engineer ** for our **Arlington, VA** office. Provides high level technical ... assistance and guidance for multi-site/phase due diligence, design, development, building , testing, and inspecting of mechanical systems on building and… more
    WSP USA (10/18/25)
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  • Mechanical Engineer w/OCONUS Travel

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Mechanical Engineer to join a mature program in the Sterling VA ... location. The qualified Mechanical Engineer will support a very dynamic...distribution systemspertaining to Data Center configurations + Understanding of Building Monitoring Systems + Understanding of Computer aided design… more
    Nightwing (12/05/25)
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  • Mechanical Engineer - PM

    Old Dominion University (Norfolk, VA)
    Posting Details Working Title Mechanical Engineer - PM Position Number 00927A Department PLANNING/ESTIMATING Location Norfolk, VA Type of Position Classified ... Full Time EEO Category B Professionals Job Description The mechanical engineer , a member of the Facilities...Code ( NEC ), and other engineering standards and building codes. Possess strong communication skills, both verbal and… more
    Old Dominion University (10/24/25)
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  • Lead Mechanical Engineer

    EMCOR Group (Springfield, VA)
    …integrated service providers. **Job Summary** EMCOR Government Services is seeking a Lead Mechanical Engineer (ME) to serve as the Subject Matter Expert (SME) ... 2.5 million square foo state of the art headquarters building , adjacent customer buildings and over 100...Information (TS/SCI) Clearance** **Qualifications** + Currently licensed as a Mechanical Professional Engineer (PE) in one of… more
    EMCOR Group (10/29/25)
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  • Facilities Mechanical Engineer

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking an experienced Facilities Mechanical Engineer to lead the design, maintenance, and configuration management of building ... involving air handlers, chillers, boilers, pumping systems, and other complex mechanical infrastructure. The ideal candidate will have a strong background in… more
    Leidos (12/06/25)
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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,...+ Ensure all designs and documentation adhere to applicable building codes and standards including ASHRAE, NFPA, IBC, IMC,… more
    Leidos (10/23/25)
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  • Mechanical Engineer - Commercial…

    Burns & McDonnell (Norfolk, VA)
    **Description** The Mechanical Engineer will work on project teams to create world class designs for new projects, alterations and redevelopments on a variety of ... corporate, healthcare, institutional, industrial, manufacturing, government and military facilities. The Mechanical Engineer will work with the project team… more
    Burns & McDonnell (09/23/25)
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  • Senior Mechanical Engineer (Top…

    Johnson, Mirmiran, and Thompson Inc. (Quantico, VA)
    …Bachelor's degree in mechanical engineering. + 10 years' experience as Mechanical Engineer in commercial/government office building design and ... city, county and state levels. + 20 years' experience as an Mechanical Engineer in commercial/government office building design and construction. Working… more
    Johnson, Mirmiran, and Thompson Inc. (11/04/25)
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