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You will work closely with our suppliers and contract manufacturers around the world to execute engineering validation builds with a focus on high quality deliverables, sharp engineering risk management, clear technical communication upwards and externally, and commitment to product excellence. At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success.

Whoop

Staff Mechanical Engineer (NPI)

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QSA Global, a division of Illinois Tool Works (ITW), specializes in supplying state-of-the-art gamma radiography and portable X-ray systems used in non-destructive testing (NDT), as well as high-performance radiation sources for oil well logging (OWL), industrial processes, and nuclear medicine. This position will take ownership of assigned engineering tasks and projects, work cross-functionally with manufacturing, quality, operations, and other departments, and help deliver business-critical projects on schedule and within requirements.

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Illinois Tool Works

Mechanical Design Engineer

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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. Where pay ranges are indicated, please note that a successful candidate's exact pay will be determined based relevant job-related factors, including any of the following: candidate's experience, skills, and qualifications, as well as geographic and market considerations.

Legence Holdings LLC

Mechanical Engineer Intern/Co-op Summer 2027

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Teaming/Communication: Collaborate with cross-functional teams including other engineering disciplines, operations, supply chain, quality, and external suppliers to resolve technical challenges and develop effective design solutions. Lead small teams utilizing strong mechanical hardware design experience and knowledge in a fast-paced collaborative environment with ruggedized structures, interconnects, cooling, electronics packaging, tooling and/or array integration.

RTX Corp

Senior Mechanical Design Engineer

Since our founding in 2021, Lydian has achieved key milestones in record time, including the production of our first liquid fuel from our pilot system, capable of producing 10,000 gallons of fuel per year for a fraction of the capital and time of alternative approaches. You will take on hands-on engineering challenges—from understanding a process and developing concepts to designing in SolidWorks, selecting components, and building and testing prototypes.

Lydian

Mechanical Engineer Co-op

With access to world-class scientists, research facilities, and multidisciplinary collaborators, you will help create enabling technologies that support new separations, sample handling approaches, microfluidic architectures, and bioscience workflows. • Design and develop mechanical, fluidic, and electro-mechanical subsystems, including flow paths, microfluidic interfaces, sample handling components, precision assemblies, and thermal management features.

Waters Corp

Senior Mechanical Engineer

Partner closely with electrical engineers, software engineers and subject matter experts to solve complex real-world system engineering problems. Apply your knowledge to balance performance, manufacturability, and reliability across a range of mechanical requirements-torque, stiffness, mass, thermal behavior, and tolerance stack-ups.

Boston Dynamics, inc.

Staff Mechanical Engineer

In the first 90 days, you will: Build strong partnerships across mechanical engineering, electrical engineering, firmware, industrial design, supply chain, quality, and manufacturing while developing a solid understanding of Evolv's products and development priorities. You'll work closely with electrical engineering, firmware, industrial design, supply chain, quality, and manufacturing to solve complex design challenges and turn ideas into products that perform reliably in demanding, real-world environments.

Evolv Technologies Inc

Mechanical Engineer III

Senior Mechanical Engineer (NPI)

Preferred: Experience with photonics, optics, RF, semiconductor packaging, optomechanical systems, medical devices, aerospace, robotics, automation, or other complex hardware products. Support DFM and DFA reviews and collaborate with machine shops, vendors, and contract manufacturers on custom machined, stamped, formed, and assembled components.

Quantum Computing Inc

Mechanical Engineer-Photonics

With offices in Boston and Peabody, MA, Specter leverages its advanced propulsion technologies, manufacturing, and testing capabilities to rapidly develop supersonic and hypersonic systems. Funded by a mix of government R&D organizations and private funding, Specter is expanding its team in preparation for flight testing and full-scale production.

Specter Aerospace

Mechanical Engineer II/III

You will work closely with our suppliers and contract manufacturers around the world to execute engineering validation builds with a focus on high quality deliverables, sharp engineering risk management, clear technical communication upwards and externally, and commitment to product excellence. At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company's long-term growth and success.

Senior Mechanical Engineer (Npi)

Senior Staff Mechanical Engineer

You will be responsible for the technical leadership of a commercial product, ensuring designs meet all performance and reliability targets while fostering the professional growth of a team of design engineers through the rigor of production release. Production Rigor: A track record of bringing complex electromechanical assemblies from architecture through production release in high-rigor environments (e.g., automotive, aerospace, wearables, or medical devices).

Senior Staff Mechanical Engineer - Atlas

By offering unprecedented visibility into products, as well as AI-driven tools that highlight problems and generate quantitative data, Lumafield promises to revolutionize the way complex products are created, manufactured, and used across industries. We are engineers with deep experience across the product development cycle, from initial ideas to shipping hardware, across industries and specializations, who became frustrated by the cost and complexity of modern manufacturing.

Lumafield

The Principal Mechanical Engineer will provide technical leadership, mentorship, and hands-on expertise in mechanical design, fluid dynamics, and heat transfer but also work closely with customers in communicating the art of the possible with JetCool technology and building a strong customer relationship on a technical level. Lead the initial design, analysis, and optimization of complex fluid systems from concept initial CAD to final detailed CAD and drawing for liquid cooling, including cold plates, pumps, fluids, tubing, and heat exchangers, for the latest computer processing chipsets.

JETCOOL Technologies

Principal Thermal Mechanical Engineer

This position is responsible for performing the following tasks as assigned while receiving close supervision on unusual or difficult problems and general oversight on all aspects of work: Performs assigned mechanical design and project tasks of simple to moderate complexity for new product development, working under the direction of project and engineering leads from concept through design transfer. Applies design-for-manufacturing and assembly principles to assigned components; identifies potential cost drivers and cost-reduction opportunities and evaluates alternatives with guidance from senior engineers and suppliers.

Hologic Inc

Mechanical Engineer II

RESPONSIBILITIES: Design and develop efficient and cost-effective power supplies per customer and regulatory specifications (i.e., sheet metal enclosures, stamped and extruded heatsinks, cable assemblies, etc.) including thermal design and simulation, 3D board layout and prototype testing. AE's power solutions enable customer innovation in complex applications for a wide range of industries including semiconductor equipment, industrial, manufacturing, telecommunications, data center computing and healthcare.

Advanced Energy Industries Inc

Sr Mechanical Engineer

We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. A Day in the Life at MKS: As a Principal Mechanical Engineer at MKS Andover, you will partner with R&D, Engineering, Product management, Applications, and customers to develop and support vacuum valves.

Stress Engineer Jobs in Boston, MA

Staff Mechanical Engineer (NPI) Whoop

Mechanical Design Engineer Illinois Tool Works

Mechanical Engineer Intern/Co-op Summer 2027 Legence Holdings LLC

Senior Mechanical Design Engineer RTX Corp

Senior Mechanical Design Engineer RTX

Mechanical Engineer Co-op Lydian

Senior Mechanical Engineer Waters Corp

Staff Mechanical Engineer Boston Dynamics, inc.

Mechanical Engineer III Evolv Technologies Inc

Senior Mechanical Engineer (NPI) Whoop

Mechanical Engineer-Photonics Quantum Computing Inc

Mechanical Engineer II/III Specter Aerospace

Senior Mechanical Engineer (Npi) Whoop

Senior Staff Mechanical Engineer Boston Dynamics, inc.

Senior Staff Mechanical Engineer - Atlas Boston Dynamics, inc.

Senior Mechanical Engineer Lumafield

Principal Thermal Mechanical Engineer JETCOOL Technologies

Mechanical Engineer II Hologic Inc

Sr Mechanical Engineer Advanced Energy Industries Inc

Principal Mechanical Engineer MKS Inc

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