• Lead Mechanical Engineer

    Stantec (Boston, MA)
    …the US, in any major city with a Stantec office. Your Opportunity We are seeking a Lead Mechanical Engineer for our Energy & Resources business line to ... lead a team of electrical engineers and designers in...PROJECTS. The project scope will be for either Owner's Engineer or Detailed Engineering/Design services for simple cycle, combined… more
    Stantec (11/06/25)
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  • Lead Mechanical HVAC Engineer

    Jacobs (Boston, MA)
    …of the solution. Demonstrated abilities include a basic understanding of mechanical and HVAC engineering disciplines. Prior experience in consulting and design ... to realize the future of energy! * Bachelor's or Advanced Degree in Mechanical Engineering, Chemical Engineering, or related engineering discipline * At least 10… more
    Jacobs (10/20/25)
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  • Lead Senior Opto- Mechanical

    General Atomics (Acton, MA)
    …advanced electric, electronic, wireless and laser technologies. We are hiring a Senior Level Opto- Mechanical Engineer to join our team in Acton, MA to provide ... This individual will assist in developing cutting-edge, high-performance space-based opto- mechanical hardware designs. The primary role for this position entails… more
    General Atomics (09/23/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …by Collins Aerospace Collins Aerospace is seeking a highly skilled and experienced Principal Mechanical Engineer Lead with expertise mechanical hardware ... relocation is not provided. **What you will do:** + Lead the design, analysis, development, and testing of complex... the design, analysis, development, and testing of complex mechanical systems and components. + Develop and review detailed… more
    RTX Corporation (11/14/25)
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  • Process Mechanical Water and Wastewater…

    AECOM (Chelmsford, MA)
    …better world. Join us. **Job Description** AECOM is actively seeking highly motivated Process Mechanical Water and Wastewater Engineer Lead for employment in ... Responsible for engineering, design, and rehabilitation activities related to process mechanical equipment, vessels and tanks and piping systems including equipment… more
    AECOM (10/16/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …and production support. We have an opportunity for an experienced Principal Mechanical Engineer to support our radar development programs. This person ... will be responsible to lead mechanical teams in all phases of...as operations, systems, quality and program offices. This Principal Engineer role will be based in Marlborough, MA and… more
    RTX Corporation (11/13/25)
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  • Global Strategic Design and Solutions…

    Iron Mountain (Boston, MA)
    …contributions? If so, let's start the conversation. **Global Strategic Design and Solutions Engineer Data Center- Mechanical ** Iron Mountain is seeking a highly ... skilled Global Strategic Design and Solutions Engineer - Mechanical to join our Global...data center customers within new and existing facilities + Lead the end-to-end mechanical design and engineering… more
    Iron Mountain (10/17/25)
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  • Senior Mechanical Engineer (Onsite)

    RTX Corporation (Marlborough, MA)
    …the Collins Mission Systems organization has an exciting opportunity for a **Senior Mechanical Engineer ** to join our team. **The PCS Hardware Department is ... and stationary ground, and airborne platforms** . The Senior Mechanical Engineer will perform research, design, development,...our products.** At Collins, the paths we pave together lead to limitless possibility. And the bonds we form… more
    RTX Corporation (10/07/25)
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  • Senior Mechanical Engineer

    Evolv Technology (Waltham, MA)
    …communities worldwide. At Evolv, that's our mission, and we're looking for a hands-on Senior Mechanical Engineer to help us bring it to life. As a design-driven ... as a key contributor on a major project. + Lead complex problem-solving efforts and implement robust mechanical... Lead complex problem-solving efforts and implement robust mechanical solutions. + Mentor newer engineers and share design… more
    Evolv Technology (11/04/25)
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  • Mechanical Design Engineer - Product…

    Hyster-Yale Materials Handling (Billerica, MA)
    **Job Title** Mechanical Design Engineer - Product Development **Job Category** Engineering **Job Description** Join our **Product Development team** as a ** ... Mechanical Design Engineer ** , working in close...fuel cell and hydrogen technologies. In this role, you'll lead design and development initiatives for fuel cell stack… more
    Hyster-Yale Materials Handling (09/26/25)
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  • Mechanical /HVAC Engineer (Subject…

    Jacobs (Boston, MA)
    …to hire the "best" candidates. Jacobs is seeking a seasoned Mechanical /HVAC Engineer Subject Matter Expert (SME) to lead technical excellence across our ... priorities in parallel. * Support commissioning, troubleshooting, and lifecycle performance of mechanical systems. * Lead root cause analysis and continuous… more
    Jacobs (10/25/25)
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  • Senior Project Manager/ Mechanical

    CBRE (Boston, MA)
    Senior Project Manager/ Mechanical Engineer -Hyperscale Data Center Construction Job ID 244547 Posted 28-Oct-2025 Service line PJM Segment Role type Full-time ... US - United States of America **About the role** The Senior Project Manager/ Mechanical Engineer provides consulting services to our global technology client… more
    CBRE (10/29/25)
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  • Sr. Mechanical Engineer

    Serco (Boston, MA)
    …and craft design plans. Additionally, you will work closely with the Planning Yard Lead Engineer and the Planning Yard Manager to ensure timely delivery of ... Working in our Boston seaport District office, you will lead the Mechanical Engineering team in the...this role you will:** + Serve as the Senior Mechanical Engineer in the Planning Yard for… more
    Serco (10/11/25)
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  • Mechanical Engineer II…

    RTX Corporation (Marlborough, MA)
    …technical services, materials and processes, analysis and test and documentation. The Mechanical Engineer II report directly to the Sensors Interconnects Section ... tough, meaningful problems that create a safer, more secure world. Raytheon Mechanical Engineering (ME) is the premier organization for mechanical hardware… more
    RTX Corporation (09/18/25)
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  • Senior Research Engineer

    FM (Norwood, MA)
    …closely working with team members and under the general guidance of an FM team lead . The research engineer is expected to bring solid engineering and/or research ... property loss prevention with insurance protection. We are looking for a research engineer to assess the risks of complex industrial equipment and systems, and to… more
    FM (10/02/25)
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  • Mechanical Design Engineer - Capital…

    Celestica (Boston, MA)
    …ID: 129505 Remote Position: Yes Region: Americas Country: USA **Summary** The Staff Engineer , Mechanical Design develops new mechanical systems/modules and ... adjustments as needed. Provides support throughout the manufacturing process of the mechanical system that they have designed. Works with customer to understand… more
    Celestica (10/10/25)
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  • Mechanical Engineer - Structural…

    RTX Corporation (Marlborough, MA)
    …test sites to support test or design discussion (depending on work assignment) **The Mechanical Engineer - Structural Analysis II job is in** **Marlborough, MA** ... balanced solutions. Raytheon is seeking an early career Structural Engineer to join the Mechanical Analysis and...under program cost and schedule constraints + Coordinate and lead technical peer reviews ensuring the technical accuracy of… more
    RTX Corporation (10/16/25)
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  • Mechanical Commissioning Field…

    FST Technical Services (Boston, MA)
    …and post-acceptance phases of building projects. Our expertise ensures that mechanical , electrical, plumbing, and associated systems are not only designed and ... an exciting phase of growth and innovation, continuing to lead the industry. Our success is a direct reflection...experiences and set new standards of excellence. Commissioning Field Engineer : + A Commissioning Field Engineer reports… more
    FST Technical Services (11/08/25)
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  • Senior Mechanical Engineer

    CHA Consulting, Inc. (Boston, MA)
    …opportunity to make a tangible impact on the future of energy. The Senior Mechanical Engineer in this position is required to provide advanced judgment and ... at CHA! What You Bring: + Bachelor's Degree in Mechanical Engineering required + Professional Engineer License...effectively work in a collaborative environment; proven ability to lead a team + Effective verbal and written communication… more
    CHA Consulting, Inc. (10/15/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …tough, meaningful problems that create a safer, more secure world. Raytheon Mechanical Engineering (ME) is the premier organization for mechanical hardware ... the Tactical Radars and Effectors (TRE) Department. The TRE Department leads mechanical and hardware design, development and production of radar, sonar, torpedo,… more
    RTX Corporation (08/26/25)
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