• Senior Mechanical HVAC

    Jacobs (Chantilly, VA)
    …market and every location. We're looking for an experienced, high-energy, HVAC Engineer to join our Building Mechanical team and help deliver innovative ... your contributions will include: * Layout and design of HVAC systems. * Development of the design criteria for...HVAC systems. * Bachelor of Science Degree in Mechanical Engineering. * Adaptability to work within a fast-paced… more
    Jacobs (10/17/25)
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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 ... considerations given for specific domain experience. + Working knowledge of mechanical ( HVAC ) and life safety systems associated with critical environments +… more
    Leidos (09/26/25)
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  • Senior Mechanical Engineer

    TYLin (Fairfax, VA)
    …**Job Summary** TYLin's Rail + Transit team is growing, and we're looking for a Senior Mechanical Project Engineer who is passionate about mechanical ... If you love solving complex engineering challenges and designing high-performance HVAC and ventilation systems for urban transit environments, this is your… more
    TYLin (10/25/25)
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  • Senior Mechanical Engineer

    CMTA, Inc (Fairfax, VA)
    …transition to become a valuable team member within our Energy Solutions group. The Senior Engineer leads all aspects of performance contracts for our clients, ... CMTA, a Legence company, is looking for an experienced Engineer to help expand our reach in new markets....The company specializes in designing, fabricating, and installing complex HVAC , process piping, and other mechanical , electrical,… more
    CMTA, Inc (11/02/25)
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  • Senior Mechanical Engineer

    CMTA, Inc (Arlington, VA)
    …we're innovators, collaborators, and changemakers. We're looking for a skilled and motivated Senior Mechanical Engineer to join our growing team and ... with Impact. Grow with Us.** Are you a passionate Mechanical Engineer looking to take the next...(or related field). + 7+ years of experience designing HVAC and mechanical systems + PE license… more
    CMTA, Inc (11/01/25)
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  • Senior Mechanical Engineer

    Bechtel Corporation (Reston, VA)
    …construction and operation of commercial nuclear power plants overseas. # Job Summary: As a Senior Mechanical Engineer , you will support the development of ... the design. # Education and Experience Requirements: Requires a bachelor's degree in Mechanical (or related) Engineering and a minimum of 8 years of relevant… more
    Bechtel Corporation (11/06/25)
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  • Senior Mechanical Engineer

    Jacobs (Chantilly, VA)
    …you can evolve, grow, and succeed - today and into tomorrow. The Mechanical Engineer will have essential multi-discipline team representation and be ... power, mechanical systems, fire protection, construction, etc.) * Professional Engineer (PE) Registration desired * Active Top Secret clearance, ability to… more
    Jacobs (10/10/25)
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  • Senior Mechanical Engineer

    Bechtel Corporation (Reston, VA)
    …client interviews to determine work scope and cost estimates for a project's mechanical aspects. You will lead design, development, modification, and evaluation of ... mechanical components and processes. Your recommendations will resolve technical...systems on Datacenter projects. + Experience on Dry Systems ( HVAC , Cleanrooms, etc.) on Semiconductor and/or Datacenter projects will… more
    Bechtel Corporation (11/04/25)
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  • Mechanical Engineer

    Fairfax County Sheriff's Office (Fairfax, VA)
    Mechanical Engineer ( Engineer IV)...of $5,000 for new county hires. This position provides senior level leadership and is responsible for the overall ... Print (https://www.governmentjobs.com/careers/fairfaxcounty/jobs/newprint/5104001) Apply  Mechanical Engineer ( Engineer IV) Salary $87,024.91 - $145,041.94… more
    Fairfax County Sheriff's Office (11/02/25)
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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 (10/31/25)
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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,...** to support the planning, design, and analysis of mechanical systems-primarily Heating, Ventilation, and Air Conditioning ( HVAC more
    Leidos (10/23/25)
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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 ... Engineer to support the planning, design, and analysis of mechanical systems-primarily Heating, Ventilation, and Air Conditioning ( HVAC )-for secure,… more
    Leidos (11/05/25)
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  • Co-Op (Fall Semester 2025 - Spring Semester 2026)…

    Southland Industries (Dulles, VA)
    …design, such as HVAC , plumbing, etc. + Basic ability to read mechanical and plumbing plans. + Good verbal and written communications skills. + Good computer ... SUMMARY** Watch your engineering designs come to life! As a Design Engineer at Southland Industries, you'll experience the excitement of working on design-build… more
    Southland Industries (08/15/25)
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  • Senior Project Development Engineer

    CMTA, Inc (Fairfax, VA)
    …and career opportunities. **Job Summary:** CMTA, a Legence company, is looking for a Senior Project Development Engineer in the federal market to help in our ... can easily make the transition to become an energy engineer within our Energy Solutions group. **Below are some...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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  • Talent Community Senior Application…

    CBRE (Washington, DC)
    Talent Community Senior Application Engineer Job ID 211865 Posted 18-Mar-2025 Service line GWS Segment Role type Full-time Areas of Interest Project Management ... tasks. Provide on-site and remote technical support to installers and customers. A Senior Application Engineer will be responsible for mentoring team members in… more
    CBRE (09/16/25)
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  • Senior Building Automation Design…

    Siemens (Washington, DC)
    …offices and/or Siemens area offices. + Prepare and/or work with an engineer to prepare design documents, including mechanical system layouts, electrical ... project timelines, and individual performance. **As a Building Automation Design** ** Engineer , you will:** + Understand project requirements and design building… more
    Siemens (10/31/25)
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  • Senior Development Engineer - Remote…

    Constellation (Washington, DC)
    …to best accommodate regular travel needs. **Primary Purpose of Position** The Senior Development Engineer is responsible for the development of Infrastructure ... & Improvement projects, with a focus on energy efficiency and sustainability. The Senior Development Engineer , under direction of leadership, will support the… more
    Constellation (09/12/25)
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  • Senior Electrical Engineer - Data…

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented Senior level **Data Center Electrical Engineer ** to join our team! In ... performance and reliability. + Collaborate with cross-functional teams, including mechanical engineers, IT professionals, and facility managers, to integrate… more
    Parsons Corporation (09/27/25)
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  • Senior Solar Energy Engineer

    CMTA, Inc (Fairfax, VA)
    …in buildings. The company specializes in designing, fabricating, and installing complex HVAC , process piping, and other mechanical , electrical, and plumbing ... (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Legence also delivers long-term performance through strategic upgrades and holistic solutions. Serving some of the world's most technically demanding… more
    CMTA, Inc (11/04/25)
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  • Application Engineer

    CBRE (Washington, DC)
    …details and project specifications or sales proposal under supervision of a Senior or Lead Application Engineer . Programming of control applications using ... operating conditions. Responsible for completing projects assigned by a Senior or Lead Application Engineer . Submit weekly...**WHAT YOU WILL NEED:** REQUIRED - Bachelor's Degree in HVAC , Electrical, Mechanical or Software Engineering, or… more
    CBRE (09/30/25)
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