• Refueling Engineer ( Engineer…

    HII (Newport News, VA)
    …of Mission Technologies-Global Security-Nuclear & Environmental Services, is hiring an early career Mechanical Engineer to join their team in Newport News, VA. ... its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures… more
    HII (09/13/25)
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  • Mechanical Engineer - Energy…

    CMTA, Inc (Fairfax, VA)
    …for our employees. **Job Summary:** CMTA, a Legence company, is looking for a mechanical engineer to help in our Energy Solutions office in **Fairfax, VA** ... can easily make the transition to become an energy engineer within our Energy Solutions group. The entry-level ...duties that this position includes: + Conduct building and system audits + Conduct energy analysis and savings calculations… more
    CMTA, Inc (09/09/25)
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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 ... given for specific domain experience. + Working knowledge of mechanical (HVAC) and life safety systems associated...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (09/26/25)
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  • Facility Assessor ( Mechanical…

    Parsons Corporation (Centreville, VA)
    …This assignment is a multi-faceted engagement to support the evaluation of mechanical , plumbing, and fire protection systems in existing facilities to ... function of existing components and equipment. + Perform data entry of assessed systems utilizing the UNIFORMAT II Classification System ; and provides written… more
    Parsons Corporation (08/29/25)
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  • Mechanical Engineer Intern

    Nightwing (Springfield, VA)
    …or BS in Mechanical Engineering or related discipline (eg, Mechatronic, Aerospace, Systems Engineering) + Rising Junior or Senior by the start of Summer 2026, a ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (09/24/25)
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  • Engineer Systems 3 - Future…

    Huntington Ingalls Industries (Alexandria, VA)
    ENGINEER SYSTEMS 3 - FUTURE... team is seeking a highly skilled and experienced system engineer to join our diverse, dynamic and ... team is responsible for the concept design, development, and execution of complex mechanical systems across the non-propulsion areas of the submarine, including… more
    Huntington Ingalls Industries (10/01/25)
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  • Mechanical Engineer - Multiple…

    Leidos (Reston, VA)
    …CI poly level clearance + US Citizenship is required + Working knowledge of mechanical (HVAC) and life safety systems associated with critical environments + ... Business Area at Leidos is building a team of Mechanical Engineers in our Reston, VA based office. The...is a strong plus. + Experience with Building Management Systems (BMS), Industrial HVAC, Central Plant Utilities, Industrial Processes,… more
    Leidos (09/20/25)
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  • Mechanical Engineer Intern/Co-op…

    CMTA, Inc (Fairfax, VA)
    …designing, fabricating, and installing complex HVAC, process piping, and other mechanical , electrical, and plumbing (MEP) systems -enhancing energy efficiency, ... co-op program for college students pursuing a degree in Mechanical Engineering. We offer an immersive experience in the...can expect to get hands on experience with photovoltaic systems , LED lighting designs, HVAC systems like… more
    CMTA, Inc (09/25/25)
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  • Engineer 3

    M. C. Dean (Boydton, VA)
    …to 7 years of relevant experience in design or commissioning of building power systems 3 . Proficient in most essential responsibilities and activities, expert in ... low voltage distribution systems . 2. Emergency power generation and distribution systems , including UPS. 3 . Coordinate device locations with other trades,… more
    M. C. Dean (08/30/25)
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  • Telecommunications Engineer 3

    M. C. Dean (Vienna, VA)
    …and changing the world for the better. The Mission Critical **Telecommunications Engineer 3 ** position involves the design, coordination, and implementation of ... at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems ; and… more
    M. C. Dean (08/27/25)
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