• Parallel Fluidics, Inc (Boston, MA)
    Senior Mechanical Engineer About the Role At Parallel Fluidics, we are building the infrastructure to power the next generation of life science tools. We ... seek a highly motivated Senior Mechanical Engineer to lead the development of a next-generation life science instrument for microfluidic applications. This… more
    Upward (08/03/25)
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  • Parallel Fluidics, Inc (Boston, MA)
    Senior Micro Injection Molding Engineer About the Role At Parallel Fluidics, we are building the infrastructure to power the next generation of life science ... tools. We seek a skilled Micro Injection Molding Engineer to lead and optimize our microinjection molding processes for producing cutting-edge microfluidic devices… more
    Upward (08/02/25)
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  • Assistant Mechanical Engineer

    Burns & McDonnell (Newton, MA)
    **Description** The Assistant Mechanical Engineer will work under the supervision of a licensed professional engineer to assist project teams to create world ... airports, institutional, industrial, manufacturing, government and military facilities. The Assistant Mechanical Engineer will work with the project team… more
    Burns & McDonnell (09/04/25)
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  • ADGE Sr Principal Mechanical

    RTX Corporation (Tewksbury, MA)
    …for a security clearance **Security Clearance:** DoD Clearance: Secret **Title: ADGE Sr Principal Mechanical Engineer (On-Site)** **Job Description:** **The ... integration, and interconnects.** **We are seeking a motivated and driven Senior Principal Mechanical Engineer to join our Ground Equipment Design Team.… more
    RTX Corporation (09/16/25)
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  • Mechanical Engineer

    Stantec (Burlington, MA)
    …your place with Stantec. Your Opportunity Our Buildings team is looking for a Project Mechanical Engineer with a focus in HVAC design. You will work with direct ... member of larger projects under the guidance of a Senior Engineer /Designer. You will assist in evaluating,...laboratories or similar applications. - Evaluate, select, specify, and engineer mechanical HVAC systems for a project.… more
    Stantec (08/07/25)
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  • Scientist, Opto- Mechanical Engineer

    L3Harris (Wilmington, MA)
    …qualified applicants Job Description: L3Harris is seeking a highly skilled and dynamic senior Mechanical Engineer to perform design, development and analysis ... domains in the interest of national security. Job Title: Scientist, Opto- Mechanical Engineer Job Code: 26771 Job Location: Wilmington, MA Job Schedule: Full… more
    L3Harris (08/01/25)
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  • Senior Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …design, integration, and production support. We have an opportunity for an experienced Senior Mechanical Engineer to support our radar development programs. ... engineering disciplines, as well as operations, systems, quality and program offices. This Senior Engineer role will be based in Marlborough, MA or Tewksbury,… more
    RTX Corporation (09/16/25)
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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 ... mechanical engineers when required + Interacting frequently with senior personnel, occasionally including external customers, on significant technical matters… more
    RTX Corporation (09/16/25)
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  • Sr . Principal II Mechanical

    BAE Systems (Hudson, NH)
    **Job Description** We are seeking a talented and experienced Senior Principal II Mechanical Engineer with experience in the area of electronic packaging for ... state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition...be available based on position level and/or job specifics. ** Sr . Principal II Mechanical Engineer **… more
    BAE Systems (09/09/25)
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  • Senior Mechanical Engineer

    RTX Corporation (Tewksbury, MA)
    …design, integration, and production support The ADGE department is looking for a full-time Senior Mechanical Engineer , to support Patriot Missile GEM-T major ... procurement and supplier support located in Tewksbury, MA. (Onsite) As a Senior Mechanical Engineer you will design, develop, and support sustainment of… more
    RTX Corporation (08/26/25)
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  • Senior Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …Department within the Collins Mission Systems organization has an exciting opportunity for a ** Senior Mechanical Engineer ** to join our team. **The PCS ... sea, mobile and stationary ground, and airborne platforms** . The Senior Mechanical Engineer will perform research, design, development, documentation and… more
    RTX Corporation (10/07/25)
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  • Senior Principal II Mechanical

    BAE Systems (Hudson, NH)
    **Job Description** We are seeking a highly experienced and accomplished Senior Principal II Mechanical Engineer to join our team, supporting a program that ... state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition...be available based on position level and/or job specifics. ** Senior Principal II Mechanical Engineer **… more
    BAE Systems (09/09/25)
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  • ADGE Senior Mechanical

    RTX Corporation (Tewksbury, MA)
    …integration, and system interconnects. We are currently seeking a motivated and driven Senior Mechanical Engineer to join our Ground Equipment Design ... Clearance:** DoD Clearance: Secret Department Overview: The Air Defense Ground Equipment Mechanical Design Department is responsible for the mechanical design,… more
    RTX Corporation (09/16/25)
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  • Senior Mechanical Engineer

    Advanced Energy (Wilmington, MA)
    Senior Mechanical Engineer **ABOUT ADVANCED ENERGY** Advanced Energy (Nasdaq: AEIS) is a global leader in the design and manufacturing of highly engineered, ... global customers and is headquartered in Denver, Colorado. **RESPONSIBILITIES:** + Mechanical ownership of high voltage power supply designs including: +… more
    Advanced Energy (08/30/25)
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  • Senior Mechanical Engineer

    RTX Corporation (Tewksbury, MA)
    …integration, and production support. The ADGE department is looking for a full-time ** Senior Mechanical Engineer - Design Lead,** located in Tewksbury, ... meaningful problems that create a safer, more secure world. The **Raytheon Mechanical Engineering (ME) Organization** leads the mechanical hardware design,… more
    RTX Corporation (09/13/25)
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  • Senior Mechanical Engineer

    RTX Corporation (Tewksbury, MA)
    …integration, and production support. The ADGE department is looking for a full-time ** Senior Mechanical Engineer - Design,** located in Tewksbury, MA. ... **This is an On-site role** . **What You Will Do** As a Senior Mechanical Engineer /Design Lead you will design and develop rugged military electronics, lead … more
    RTX Corporation (08/08/25)
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  • Senior Mechanical Engineer

    Teradyne (North Reading, MA)
    …innovation and delivers better business results. Opportunity Overview We are seeking a Mechanical Engineer to contribute to a variety of machine design and ... at economically viable solutions + Work cross-functionally to development of electro- mechanical assemblies including cables, PCBAs and mechanical components. +… more
    Teradyne (08/15/25)
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  • Mechanical Engineer - R&D

    Siemens (Hingham, MA)
    …our solutions here: https://www.siemens.com/us/en/products/energy/russelectric.html **We are looking for a Mechanical Engineer located in our Hingham, MA, R&D ... role, you will work under the direction of more senior engineers as you learn to enhance our current...product roadmaps. **You'll make a difference by:** + Developing mechanical components of electrical distribution equipment. + Testing … more
    Siemens (10/09/25)
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  • Entry Level Mechanical Engineer

    Kelly Services (Haverhill, MA)
    **Entry-Level Mechanical Engineer - Job Description** **Position Overview:** We are seeking a motivated entry-level Mechanical Engineer to join our team. ... This role is ideal for recent graduates with a bachelor's degree in Mechanical Engineering or Physics who are passionate about designing, analyzing, and optimizing … more
    Kelly Services (09/30/25)
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  • Lead Senior Opto- Mechanical

    General Atomics (Acton, MA)
    …sensors, and advanced electric, electronic, wireless and laser technologies. We are hiring a Senior Level Opto- Mechanical Engineer to join our team in Acton, ... 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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