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  • Principal Mechanical Engineer - Prototyping Lead Mesodyne is a startup company revolutionizing power generation with its innovative LightCell technology—using thermophotovoltaics to provide efficient, silent, reliable, long-endurance power from any fuel. By bridging the... 
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    Full time

    Mesodyne

    Somerville, MA
    2 days ago
  •  ...Job Description Job Description Woodard & Curran is a national engineering, science, and operations firm with a simple vision for clean water, a safe environment, healthy communities, and happy people. As an employee-owned company, we strive to cultivate teams that... 
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    For contractors
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    Flexible hours
    Night shift

    Woodard & Curran

    Canton, MA
    16 days ago
  •  ...from hours to minutes. We’ve proven the technology with a working prototype, completed thousands of braids in testing, and we’re nearing the end of R&D. We’re searching for a Senior Mechanical Engineer who wants to help bring this future to life. We’re well funded by... 
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    Flexible hours

    Halo Braid

    Boston, MA
    22 days ago
  • $150k - $195k

     ...looking to hire a fulltime / permanent Principal Manufacturing Engineer who has Class II / III medical device experience. This...  ...company’s core product line. You will transition advanced prototypes from R&D to scalable, high-quality production; provide technical... 
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    InnoTech Staffing

    Boston, MA
    18 days ago
  •  ...Job Description Location: Somerville, MA Senior Mechanical Engineer – Medical Device Overview: Micro-Leads is a fast-paced...  ...stimulation and nerve recordings. In addition, the candidate will prototype, build, and conduct mechanical integrity and related tests.... 
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    Contract work

    Micro Leads Inc

    Somerville, MA
    1 day ago
  • $135k - $170k

     ...a fantastic opportunity for an experienced Field Application Engineer (FAE) with a strong background in digital design to successfully...  ...of our RTL to meet the needs of early- customers/prototypes. ~ Act as the technical bridge between customers and internal... 
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    Full time
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    Immediate start
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    Riverlane

    Boston, MA
    19 days ago
  •  ...Job Description Job Description Description: BETA Group, Inc is seeking a highly skilled and experienced senior bridge engineer ready to prove themself in a Structural Project Manager role. This individual will have the opportunity to lead and oversee bridge/culvert... 
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    2 days per week

    BETA GROUP INC

    Norwood, MA
    22 days ago
  •  ...Job Description JOB SUMMARY Under the supervision of the Engineering Manager, the Senior Engineer develops creative and technically...  ...Proficient using hand tools and building/fabricating large prototypes. Synthesizes and drives towards appropriate solutions.... 
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    Immediate start
    2 days per week

    Kaleidoscope

    Boston, MA
    12 days ago
  • $130k - $185k

     ...and daily lives.  WHOOP is looking for a Senior Mechanical Engineer to lead critical design, validation, and development for next...  ...to bring up design concepts that enable simulation exercises, prototyping, and mass production qualification  Generate technical documentation... 
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    Relocation

    Whoop

    Boston, MA
    16 days ago
  • $130k - $250k

     ...Description Job Description Job Title: Senior Mechanical Engineer Location: San Antonio, TX. Remote unavailable. Relocation...  ...developing the next generation of our robot after multiple prototypes, demos, and pilots. Joining now means helping shape not just the... 
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    Relocation package

    The Recruiting Guy

    Newton, MA
    9 days ago
  •  ...Job Description Job Description Sustaining Mechanical Engineer (Engineering / Design Team) Location: Natick, MA Company:...  ...integrate mechanical designs into larger systems. Support prototype fabrication, assembly, and testing to validate designs. Conduct... 
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    Permanent employment

    Busek

    Natick, MA
    3 days ago
  •  ...customers worldwide. \n Test, debug, and repair returned products to meet customer needs. \n Work closely with Operations, Engineering, Sales, and R&D teams to ensure seamless production and customer satisfaction. \n Ensure that work area and equipment are maintained... 
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    Ametek

    Norwood, MA
    18 days ago
  • $120k - $150k

     ...Job Description Job Description Senior Mechanical Engineer About the Role At Parallel Fluidics, we are building the infrastructure...  .... Provide regular progress updates to leadership. Prototyping and Testing: Create and iterate prototypes to validate designs... 
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    Parallel Fluidics, Inc.

    Boston, MA
    28 days ago
  •  ...Job Description Job Description Description: BETA is seeking for an experienced Senior Water/Wastewater Project Engineer to join our team. The position will interact with a multi-disciplinary team of professionals in the New England area and will provide leadership... 
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    2 days per week

    BETA GROUP INC

    Norwood, MA
    18 days ago
  •  ...Job Description Job Description POSITION SUMMARY: As a Senior Electrical Engineer you will participate in the development and support of our airborne particle counter families. This full-time position requires technical and interpersonal maturity to work well within... 
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    Particles Plus, Inc.

    Stoughton, MA
    25 days ago
  •  ...opportunities. GrapheneDx is seeking a Senior Electronics Engineer who will apply their expertise to support the development of their...  ...products: Responsible for concepting, creating and testing prototypes for proof of concept to take that learning back into design... 
    Temporary work

    GrapheneDx

    Boston, MA
    6 days ago
  •  ...Job Description Job Description Description: BETA is seeking an experienced Highway Project Engineer to join our team. This position will play a key role in performing highway design, developing contract plans and documents and mentoring junior staff. This position... 
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    2 days per week

    BETA GROUP INC

    Norwood, MA
    14 days ago
  •  ...Job Description Job Description Woodard & Curran is a national engineering, science, and operations firm with a simple vision for clean water, a safe environment, healthy communities, and happy people. As an employee-owned company, we strive to cultivate teams that... 
    Hourly pay
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    Temporary work
    For contractors
    Work at office
    Local area
    Remote work
    Flexible hours

    Woodard & Curran

    Canton, MA
    16 days ago
  • Overview Senior Electronics Design Engineer Working Pattern: Full-time Working location: Indianapolis, IN, West Lafayette, IN or Novi...  ...brief for a concept, the design and development stage, testing of prototypes and the final manufacture and implementation of a new product... 
    Full time
    Live in
    Work at office
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    Relocation package
    Flexible hours
    3 days per week

    Rolls-Royce

    Stoughton, MA
    2 days ago
  • $130k - $185k

     ...of their bodies and daily lives. As a Senior Manufacturing Engineer, PCBA/SMT, you will work cross-functionally with Electrical, Firmware...  ...ramp, and ensure high quality and efficiency from prototype builds through full production and continuously improve mature... 
    Full time
    Contract work
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    Relocation

    Whoop

    Boston, MA
    16 days ago
  •  ...POSITION: Trust Indefinite (Non-Federal) DIVISION: Central Engineering LOCATION: Cambridge, MA AREA OF CONSIDERATION: This position...  ...teams to ensure design intent is maintained through prototype, environmental testing, and into production. Knowledge, Skills... 
    Permanent employment
    Work experience placement
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    Local area
    Relocation
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    Smithsonian Astrophysical Observatory

    Cambridge, MA
    2 days ago
  • The Senior Mechanical Engineer will work closely with a multidisciplinary team to facilitate the design, analysis, and manufacture of...  ...manufacturing strategies Development of conceptual designs for prototypes Design of lifting devices, fixtures and tooling for large-... 
    Full time

    Theoris

    Stoughton, MA
    3 days ago
  •  ...products to life? Senior Metal Bellows has been creating custom-engineered bellows-based products for over 70 years, serving Aerospace,...  ...designs using DFMA principles. Design, analyze, and prototype components for the world’s most demanding industries. Research... 
    Permanent employment
    Full time
    Temporary work
    For contractors
    Immediate start

    Senior Metal Bellows

    Sharon, MA
    22 days ago
  • Job Description Job Description Analyzing computer hardware problems, rectifying them, and replacing parts when necessaryacting as the middleman between user and manufacturer when equipment must be sent for repairinstalling software, demonstrating its usage, and troubleshooting...

    Mainstreet Technologies, Inc.

    East Boston, MA
    13 days ago
  •  ...Job Description Job Description Description: BETA is seeking for an experienced Water/Wastewater Project Engineer to support our Water and Wastewater Team. The position will interact with a multi-disciplinary team of professionals in the New England area and will... 
    Temporary work
    Remote work
    Flexible hours
    2 days per week

    BETA GROUP INC

    Norwood, MA
    16 days ago
  • Food Equipment Engineer - Dairy Applications Join to apply for the Food Equipment Engineer - Dairy Applications role at Reiser Food Equipment...  ...Reiser’s existing manufacturers and find new ones as needed. Prototype Testing & Validation Oversee the testing of new prototypes... 
    Full time
    Work at office
    Remote work
    Flexible hours
    Night shift

    Reiser

    Canton, MA
    4 days ago
  •  ...Mechanical Engineer Co-Op (January-July 2026) On-site in Waltham, Massachusetts Amplitude Vascular Systems (AVS), an early-stage...  ...engineering drawings using SolidWorks or similar software. Support prototype fabrication, testing, and evaluation in collaboration with... 
    Full time

    Amplitude Vascular Systems

    Waltham, MA
    3 days ago
  • $80k - $110k

     ...visit our Hughes Marino blog, Instagram, Facebook, and YouTube. We're on the lookout for fantastic new Senior Construction Project Engineer to welcome into the Hughes Marino Boston team, and we would be thrilled to hear from you! This is an incredible opportunity to... 
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    Local area

    Hughes Marino

    Boston, MA
    27 days ago
  •  ...manufacturing environments. We’re a fast-growing team of brilliant engineers and operators passionate about creating reliable, scalable...  ...product lines. New Product Introduction (NPI) Support prototype and pilot builds, ensuring smooth transition from engineering... 
    Internship
    Immediate start

    Tutor Intelligence

    Boston, MA
    16 days ago
  •  ...experts specializes in geophysics, geochemistry, high-voltage engineering, and subsurface tool design. We are actively demonstrating our...  ...methodologies to improve design, assembly, and test efficiency. ~ Drive prototype builds from concept through lab validation and field... 
    Work at office
    Worldwide

    Eden GeoPower Inc

    Somerville, MA
    18 days ago