• Project Engineer - Process

    Stantec (Fairfax, VA)
    …plans and schedules. - Evaluates, selects, specifies, and engineers process mechanical systems or products for a project . - Conducts quality assurance ... H2O+U. Your Opportunity We are looking for a talented Project Engineer who wants to be part...of many relevant areas of municipal engineering, hydraulics, and process mechanical systems design with respect to… more
    Stantec (12/03/25)
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  • Mechanical Commissioner - Project

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

    Bowman (Herndon, VA)
    **Short Description** Bowman has an opportunity for a Mechanical Project Engineer to join our team in Herndon, VA. At Bowman, we believe in creating ... service to our clients. **Purpose** Perform all levels of mechanical (HVAC) design including the development of construction documents. **Responsibilities**… more
    Bowman (09/18/25)
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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/5164526) Apply  Mechanical Engineer ( ... Works under the guidance and general direction of the Project Coordinator (Principal Engineer ) and/or Division Director...systems, and building automation systems. + As licensed professional mechanical engineer signs and seals own work… more
    Fairfax County Sheriff's Office (12/15/25)
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  • Lead Field Engineer - Mechanical

    Bechtel Corporation (Reston, VA)
    …will mobilize to the project site. # Job Summary: The Construction Lead Mechanical Field Engineer is responsible for activities of the mechanical field ... consumables & testing equipment + Approve field requisitions as delegated by the Project Field Engineer + Review material receiving reports and warehousing to… more
    Bechtel Corporation (11/11/25)
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  • Military Veteran Opportunity - Mechanical

    Bechtel Corporation (Reston, VA)
    process , schedule, and other expectations. We currently have multiple Mechanical Engineer positions available on our Nuclear, Security & Environmental ... and construction management in identifying and complying with project mechanical requirements and in addressing issues...require a reasonable accommodation for any part of the application or hiring process , may e-mail their request to_**… more
    Bechtel Corporation (10/03/25)
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  • Senior Mechanical Cx Engineer - Data…

    Veolia North America (Ashburn, VA)
    …across North America. **Job Description** **Position Purpose:** Senior Project Engineer - Performs & plans commissioning of mechanical systems. Must ... design, construction & operation. Must have experience with commissioning process of mechanical systems ranging in size,...and timely manner. + Comply with company, client, and project safety requirements. + Be knowledgeable with Mechanical more
    Veolia North America (11/21/25)
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  • Mechanical Engineer 5(Industrial/…

    CDM Smith (Fairfax, VA)
    …work of junior engineers on project work. **Job Title:** Mechanical Engineer 5(Industrial/ Process ) **Group:** IND **Certification/License Requirements:** ... **Preferred Qualifications:** EPC projects for industrial / petrochemical clients focused on process and utility piping, process mechanical , and material… more
    CDM Smith (11/08/25)
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  • Principal Engineer - Mechanical

    Bechtel Corporation (Reston, VA)
    …building inspiring projects in our Impact Report . # Job Summary: The Principal Engineer - Mechanical will support the development and execution of combined ... to determine work scope and cost estimates for a project 's mechanical aspects. You will have oversight...require a reasonable accommodation for any part of the application or hiring process , may e-mail their request to_**… more
    Bechtel Corporation (12/11/25)
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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) ... business relationship. + Devises ways to improve the full spectrum of the mechanical systems operations and services service delivery process to ensure… more
    EMCOR Group (10/29/25)
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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 (10/27/25)
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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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  • Senior Mechanical Engineer - Flight…

    RTX Corporation (Sterling, VA)
    …+ May Lead cross-functional teams ( Mechanical and Electrical) in a Hardware Project Engineer role + Travel as necessary to customer sites, training ... for a security clearance​ **Security Clearance:** DoD Clearance: Secret **Senior Mechanical Engineer ** **- Flight Simulation (Onsite)** **Description:** Senior… more
    RTX Corporation (11/06/25)
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  • Senior Mechanical Engineer

    QinetiQ (Lorton, VA)
    …and personal lives. Position Overview QinetiQ US is seeking a highly motivated Senior Mechanical Engineer , who will be responsible for the mechanical design ... soldier-borne systems, ground-based systems, and airborne systems. Acting as a mechanical lead on projects, the candidate will conceptualize systems, plan and… more
    QinetiQ (12/08/25)
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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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  • 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 ... to become an energy engineer within our Energy Solutions group. The entry-level engineer works closely with the project manager to assist and support them.… more
    CMTA, Inc (11/01/25)
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  • Mechanical Engineer - HVAC,…

    Stantec (Fairfax, VA)
    …that will benefit future generations. Grow with us, H2O+U. Your Opportunity As a Mechanical Engineer , your role in our professional consulting services team is ... as a discipline leader, through all phases of a project lifecycle. You are responsible for leading the design...presentation skills. Education and Experience - Bachelor's degree in mechanical engineering. - Licensed Professional Engineer (PE).… more
    Stantec (12/07/25)
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  • Traveling Commissioning Engineer III…

    Quality Technology Services, LLC (Manassas, VA)
    The ** Mechanical Commissioning Engineer L3** is responsible for but not limited to Level 3, 4 and 5 commissioning of base building systems and components of a ... industry standards and client specifications. . Monitor any issues during the commissioning process , working closely with the project team to resolve technical… more
    Quality Technology Services, LLC (12/03/25)
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  • Mechanical Engineer - Early Career…

    Lockheed Martin (Manassas, VA)
    …with Lockheed Martin\. Areas of responsibilities will typically include: 1\) Supporting the Mechanical and HW lead on Project planning, cost and schedule ... telework schedule for the remaining part of their work schedule\. This Mechanical Engineering position is for design, analysis, documentation, test and fleet support… more
    Lockheed Martin (12/06/25)
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  • Mechanical Design Engineer

    Bowman (Herndon, VA)
    **Short Description** Bowman has an opportunity for a Mechanical Designer to join our team in Herndon, VA. At Bowman, we believe in creating opportunities for ... service to our clients. **Purpose** Perform all levels of mechanical design including the development of construction documents. **Responsibilities** **Leadership… more
    Bowman (11/25/25)
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