• 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 (10/27/25)
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  • Lead Mechanical Engineer (Buildings)

    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 ... 10 years of relevant post education experience in engineering discipline and prior mechanical design experience. + Engineer license required. + Proficient with … more
    WSP USA (10/18/25)
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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 ... mechanical systems across mission-critical sites. This role demands deep...with Facility Management Control Systems (FMCS). + Active Professional Engineer (PE) license or ability to obtain licensure within… 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, and analysis of mechanical systems-primarily Heating,… more
    Leidos (10/23/25)
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  • Specialist, Aerospace Mechanical

    L3Harris (Ashburn, VA)
    …cyber domains in the interest of national security. Job Title: Specialist, Aerospace Mechanical Engineer Job Code: 31930 Job Location: Ashburn, VA Job Schedule: ... is available to qualified candidates Job Description: We are seeking a highly skilled Mechanical Engineer to join our dynamic team dedicated to designing and… more
    L3Harris (12/10/25)
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  • Mechanical Engineer

    Military Sealift Command (Naval Base, VA)
    …to applicants who respond to this flyer. Responsibilities You will serve as a MECHANICAL ENGINEER in the MECHANICAL ENGINEERING BRANCH (N722), TECHNIAL ... for new or modified ship systems. You will assist higher level mechanical engineers with developing specifications for modifying existing or installing new… more
    Military Sealift Command (12/03/25)
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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 ... to support the planning, design, and analysis of mechanical systems-primarily Heating, Ventilation, and Air Conditioning (HVAC)-for secure, mission-critical… more
    Leidos (11/05/25)
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  • Senior Mechanical Engineer - Flight…

    RTX Corporation (Sterling, VA)
    …for a security clearance​ **Security Clearance:** DoD Clearance: Secret **Senior Mechanical Engineer ** **- Flight Simulation (Onsite)** **Description:** Senior ... Will Do:** + Considered a specialist in a specific mechanical hardware design area ( Structures , Packaging, Facility...assigned scope of work + May Lead cross-functional teams ( Mechanical and Electrical) in a Hardware Project Engineer more
    RTX Corporation (11/06/25)
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  • Mechanical Engineer

    H&H (Virginia Beach, VA)
    We are offering an exciting opportunity for a Mechanical Engineer in our Virginia Beach, VA office. We currently have numerous design and inspection assignments ... design & inspection for movable bridges and other heavy movable structures + Prepares contract plans, special provisions, engineer 's estimates, inspection… more
    H&H (12/08/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    **Description** The Mission Solutions Business Area at Leidos is looking for a Mechanical Engineer to join our Reston, VA based team. The successful candidate ... and development of characterization methodologies of aboveground and underground structures and associated infrastructure and protective design characteristics. Work… more
    Leidos (09/26/25)
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