NewMechanical Engineer iMPact Business Group, Inc.Mechanical EngineerWaltham, MAThe ideal candidate enjoys working both at a desk and in a lab/workshop environment and takes pride in delivering high-quality demonstration systems that represent the company's products to customers and stakeholders. The successful candidate will partner closely with a Principal Design Engineer to build, maintain, and optimize commercial demo kits used by our Sales and Commercial teams.
NewMechanical Engineer Lutron Electronics Co., IncMechanical EngineerBoston, MassachusettsFull timeFrom concept development through production support, you will contribute across the entire product lifecycle while working on products used in some of the world's most advanced residential and commercial environments. Our company has cultivated a reputation of unsurpassed quality, a broad range of technologies and product offerings, and a strong commitment to servicing our worldwide customers.
Senior Mechanical Engineer Kimmel & AssociatesSenior Mechanical EngineerBoston, MAThrough innovative HVAC engineering, electrical upgrades, building automation systems, preventative maintenance, and energy optimization, the company helps commercial and institutional clients reduce operating costs while improving building performance and environmental impact. This is an excellent opportunity for a technically strong engineer who enjoys solving challenging engineering problems, mentoring junior staff, and collaborating with multidisciplinary teams throughout the entire project lifecycle—from conceptual design through construction.
NewSenior Mechanical Engineer – Cable Magnets Commonwealth Fusion SystemsSenior Mechanical Engineer – Cable MagnetsDevens, MAA minimum of 7 years of engineering design and analysis experience is required, including at least 2 years providing engineering support to production hardware in the form of resolving technical issues and implementing design for manufacturing or assembly changes. Join the power movement as a Senior Mechanical Engineer – Cable Magnets As a Senior Mechanical Engineer for the Cable Magnets Engineering team, you will own hardware from early concepts to delivery.
NewSenior Mechanical Engineer - Cable Magnets Commonwealth Fusion SystemsSenior Mechanical Engineer - Cable MagnetsDevens, MA$110,000–$185,000 / yearA minimum of 7 years of engineering design and analysis experience is required, including at least 2 years providing engineering support to production hardware in the form of resolving technical issues and implementing design for manufacturing or assembly changes. What you'll do: Act autonomously as the primary owner of cable magnet hardware for SPARC, ARC, or other projects, ensuring designs are completed, validated, procured, built, and installed correctly and on time.
Mechanical Engineer Intern/Co-Op Fall 2026 LegenceMechanical Engineer Intern/Co-Op Fall 2026Framingham, MARequirements:• Pursuing a Bachelor of Mechanical Engineering or Architectural Engineering, preferably a sophomore (2nd year), or junior (3rd year),• Strong interest in Building Systems Mechanical Engineering,• AutoCAD and REVIT experience preferred,• Strong interpersonal and communication skills,• Proficiency with Microsoft Word and Excel,• Ability to work both independently and with a team,• Ability to work full time in our office throughout the co-op term,• Ability to travel locally for job site inspections, field work, etc. Job Functions: (may include but are not limited to)• Produce detailed layout and equipment details of HVAC systems,• Produce one-line diagrams/schematics,• Assist the design team in the process of assembling organized sets of drawings,• May assist in the data collection and/or field verification, and• Work in conjunction with designers and engineers to help develop all aspects of a project.
Mechanical Engineer Intern/Co-Op Summer 2027 LegenceMechanical Engineer Intern/Co-Op Summer 2027Boston, MAJob Functions: (may include but are not limited to)• Produce detailed layout and equipment details of HVAC systems• Produce one-line diagrams/schematics• Assist the design team in the process of assembling organized sets of drawings• May assist in the data collection and/or field verification• Work in conjunction with designers and engineers to help develop all aspects of a projectRequirements:• Pursuing a Bachelor of Mechanical Engineering or Architectural Engineering, preferably a sophomore (2nd year), or junior (3rd year)• Strong interest in Building Systems Mechanical Engineering• AutoCAD and REVIT experience preferred• Strong interpersonal and communication skills• Proficiency with Microsoft Word and Excel• Ability to work both independently and with a team• Ability to work full time in our office throughout the co-op term• Ability to travel locally for job site inspections, field work, etc. For college students interested in engineering design for the built environment, CMTA has a robust co-op program for students pursuing a degree in Mechanical Engineering, Electrical Engineering, and Architectural Engineering.
Mechanical Engineer Intern/Co-Op Spring 2027 LegenceMechanical Engineer Intern/Co-Op Spring 2027Boston, MAJob Functions: (may include but are not limited to)• Produce detailed layout and equipment details of HVAC systems• Produce one-line diagrams/schematics• Assist the design team in the process of assembling organized sets of drawings• May assist in the data collection and/or field verification• Work in conjunction with designers and engineers to help develop all aspects of a projectRequirements:• Pursuing a Bachelor of Mechanical Engineering or Architectural Engineering, preferably a sophomore (2nd year), or junior (3rd year)• Strong interest in Building Systems Mechanical Engineering• AutoCAD and REVIT experience preferred• Strong interpersonal and communication skills• Proficiency with Microsoft Word and Excel• Ability to work both independently and with a team• Ability to work full time in our office throughout the co-op term• Ability to travel locally for job site inspections, field work, etc. For college students interested in engineering design for the built environment, CMTA has a robust co-op program for students pursuing a degree in Mechanical Engineering, Electrical Engineering, and Architectural Engineering.
NewMechanical Engineer II NextPhase Medical Devices LLCMechanical Engineer IIMansfield, MAWorking closely with management, quality assurance, supply chain, and engineering teams, the Mechanical Engineer will oversee all stages of product development, encompassing mechanical design, materials sourcing, prototype fabrication, and the planning and implementation of characterization tests. The Mechanical Engineer II will collaborate with team members to design and refine cutting-edge medical devices, contributing to product testing, validation, and optimization.
NewMechanical Engineer I Axcelis TechnologiesMechanical Engineer IBeverly, MassachusettsIn this role, you will work as part of a multidisciplinary engineering team to develop mechanical components, assemblies, and subsystems that contribute to the performance, reliability, and manufacturability of advanced ion implantation systems. This position offers the opportunity to work on complex electromechanical systems while building core engineering skills through hands-on design, testing, analysis, and collaboration with experienced engineers.
Mechanical Engineer II - Test Equipment, Onsite (Tewksbury/Andover, MA) RTXMechanical Engineer II - Test Equipment, Onsite (Tewksbury/Andover, MA)Tewksbury, MassachusettsResearch, plan, design and develop mechanical test systems in areas to include: electronic packaging, mechanical fixtures, automation, radio frequency, thermal, hydraulic, vibration, and electro-optical for production testing environments. TS products are located in engineering labs, in the field, and in production environments utilized for weapon system product verification, qualification, test data analysis, and production test solution development.
Senior Mechanical Engineer E LogicSenior Mechanical EngineerNatick, MAE-Logic Inc. is seeking an experienced Senior Mechanical Engineer to support the U.S. Army Combat Capabilities Development Command - Soldier Center (DEVCOM-SC), Combat Feeding Division (CFD) Joint Foodservice Engineering Team (JFET). Instrument and conduct in-house testing of commercial appliances for inclusion aboard naval vessels, including developing test plans and formal test reports.
Mechanical Engineer Nesco Resource, LLCMechanical EngineerLINCOLN, RI$80,000–$100,000 / yearThe Mechanical Engineer will support the Lead Design Engineer in designing structures responsible for mounting ceiling-suspended operating room equipment, including surgical lights, anesthesia booms, and air circulation systems. Assist Design Engineers with creating 3D models/assemblies of mounting structures for operating room equipment such as anesthesia booms, surgical lights, exam lights, air diffuser systems.
Mechanical Engineer - PE Barry-WehmillerMechanical Engineer - PEBoston, MA$100,000–$150,000 / yearExperience in the design of advanced technologies, life sciences, or facility/building mechanical systems including HVAC (air handling units, chemical and laminar fume hoods, unit heaters/coolers), water, chilled water/glycol, wastewater, cold/warm rooms, clean rooms, cooling towers/condensers, boiler/steam/condensate, hot water, hydronic, compressed gases, or waste/drain (preferred). By blending people-centric leadership with disciplined operational strategies and purpose-driven growth, Barry-Wehmiller has become a $3 billion organization with nearly 12,000 team members united by a common belief: to use the power of business to build a better world.
SR. Mechanical Engineer- Waltham Acorn Product Development, Inc.SR. Mechanical Engineer- WalthamWaltham, MAEach year, key Fortune 100 and 500 companies – as well as numerous hot start-ups -- hire Acorn to participate in the design of their latest product offerings. Proficient with SolidWorks (Creo a plus) and preparing engineering documentation per ASME Y14.5 for production release.
NewSenior Mechanical Engineer - Assembly Equipment Commonwealth Fusion SystemsSenior Mechanical Engineer - Assembly EquipmentDevens, MA$110,000–$185,000 / yearYou will work closely and collaborate with the system teams to find the most efficient, creative, cost-effective, and safest way to manipulate, guide, and integrate each part of the larger tokamak system, design and build the tools needed, then finally write work-instruction packets that guide the use of the tool at the time of assembly. Formulate the general strategy for each assembly step utilizing these tools, as well active coordination and guidance of the system teams during parallel design activities for optimum assembly logic, steps, best practices, methods, strategies, and other details.
Senior Field Mechanical Engineer - Assembly Commonwealth Fusion SystemsSenior Field Mechanical Engineer - AssemblyDevens, MAWhat you'll do: Own and be the expert in the assembly sequence of your workstation (initially this role is scoped to the assembly of the Toroidal Field Coil (TF) semicircle sub-assemblies), with the responsibility to determine and enact acceptable solutions and changes to the sequence that both allow successful completion of the work-station but also fit with the entire SPARC assembly sequence. Join the power movement as a Senior Field Mechanical Engineer - Assembly As the Senior Field Mechanical Engineer on the Assembly Team at CFS, you will be responsible for the management, engineering oversight, and problem-solving of the most complex and unique workstations of the SPARC assembly process.
Mechanical Engineer Nenni and AssociatesMechanical EngineerBoston, MassachusettsJob Duties and Responsibilities: Collaborate and mentor junior engineers to design the mechanical and plumbing components of energy-efficient buildings. Our client is a very well-established ESCO who is currently seeking a Senior Mechanical Engineer to join their team within the Boston market!
Mechanical Engineer-Photonics QUANTUM COMPUTING, INC.Mechanical Engineer-PhotonicsBedford, MAEvaluate mechanical design trade-offs in the context of adjacent subsystems — including heat dissipation paths, electrical interconnect routing, and optical alignment sensitivity. You will collaborate closely with electrical, optical, and manufacturing engineers to develop practical solutions in a fast-paced environment where requirements evolve and new technical challenges emerge regularly.
Senior Mechanical Engineer [Boston] AltieriSenior Mechanical Engineer [Boston]Boston, MAWe are a recognized industry leader, designing exciting and high-profile projects for iconic museums, galleries, theatre and performing arts venues, higher education buildings, libraries, parks, and historic projects around the country including: Carnegie Hall (NYC), Domino Park (NYC), Gansevoort Peninsula, Hudson River Park (NYC), The Getty Center (Los Angeles), The Metropolitan Museum of Art (NYC), Museum of Ice Cream (NYC), National Aquarium (Baltimore), The National WWII Museum (New Orleans), Obama Presidential Center (Chicago), Smithsonian National Museum of American History (Washington DC). Who We Are : Altieri has provided mechanical, electrical, plumbing, and fire protection engineering design services to architects and building owners for 65 years.