Mechanical Engineer III Sterling Engineering, Inc.Mechanical Engineer IIIWorcester, MA$136,000–$189,000 / yearOverview: Sterling Engineering is partnering with a growing engineering organization seeking an experienced Mechanical Engineer III or Principal Mechanical Engineer to provide technical leadership and engineering expertise on complex industrial, infrastructure, utility, and energy-related projects. Title: Mechanical Engineer III / Principal Mechanical Engineer Company: Sterling Engineering Location: Portland, ME; Worcester, MA; Plymouth, MA Hire Type: Direct Hire or Contract-to-Hire Compensation: $136,000 - $189,000 based on experience .
Sr. Mechanical Engineer GFT.Sr. Mechanical EngineerBoston, Massachusetts$120,000–$160,000 / yearFull timeMust have 8+ years’ experience and the ability to independently design the following HVAC systems for both renovated and new facilities: Hydronic and steam boiler plants, chiller plants, terminal unit systems, distribution systems, and control systems. Your ability to support and enhance our department's collective ability to conceptualize and deliver mechanical designs aligning with our clients’ construction budgets, energy needs, and maintenance programs will be the key to your success at GFT!
Cable Designer Connexion Systems + EngineeringCable DesignerBedford, MA$65–$83 / hourYou'll contribute to innovative prototype systems alongside world-class engineers while expanding your expertise in electrical interconnect design, cable harness development, and complex multidisciplinary projects. Required Qualifications Bachelor's degree in Electrical Engineering, Engineering, or a related technical discipline, or an Associate degree plus relevant experience, or Trade School education with significant electrical interconnect design experience.
Senior Mechanical Engineer - Assembly Equipment Commonwealth Fusion Systems LLCSenior Mechanical Engineer - Assembly EquipmentMA$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 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.
Sr. Mechanical Engineer - Site Development RTX CorpSr. Mechanical Engineer - Site DevelopmentMarlborough, MAVerify site characteristics and provide mechanical/HVAC technical assistance related to documenting existing building conditions - including automatic temperature control systems, air distribution systems (supply, return, exhaust), hydronic systems (chilled water, heating water), and general building mechanical equipment. Work with cross‑functional teams of engineers, designers, and technical professionals to execute HVAC‑focused project work, including system calculations, equipment selections, permit documentation, must be proficient with Revit/AutoCAD deliverables, and compliance analyses.
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.
Mechanical Engineer I Whoop IncMechanical Engineer IBoston, MA$90,000–$130,000 / yearSupport the design and execution of comprehensive testing and validation plans, employing advanced design of experiments (DOE) methodologies to drive understanding, uncover insights, and deliver actionable results that enhance product quality, performance, and manufacturability. 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.
Mechanical Engineer II (NPI) Whoop IncMechanical Engineer II (NPI)Boston, MA$110,000–$150,000 / yearYou 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.
Mechanical Engineer Intern/Co-op Summer 2027 Legence Holdings LLCMechanical Engineer Intern/Co-op Summer 2027Boston, MAThe 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.
AutoCAD CAD Designer/Engineer/CAD Tech Pride Technologies LLCAutoCAD CAD Designer/Engineer/CAD TechNorth Reading, MA$50–$55 / hourJob description: Client is looking for an AutoCAD CAD designer/engineer to create and maintain detailed client warehouse floor layouts, support site designs, resolve layout conflicts, and produce construction/deployment drawing packages (PDFs and other deliverables). Only applicable for San Francisco Candidates: Under the San Francisco Lactation in the Workplace Ordinance, we will provide written notice of lactation accommodation rights, and this notice will automatically be given upon hiring, any inquiry of parental leave or lactation accommodation.
NewSr. PCB Designer EDI StaffingSr. PCB DesignerAndover, MA$95,000–$115,000 / yearWork and communicate effectively and efficiently with Electrical Design Engineers to update layouts in progress, based on the marked-up schematics they provide, or create new PCB's from prior revisions in a product platform, or as rev A. • Work and communicate effectively and efficiently with Mechanical Engineers in to incorporate mechanical features, terminals, and keepouts in the PCB layout accurately and to obtain needed documents for PCB tape-out. In this role we are looking for a highly motivated and organized individual with experience and knowledge in PCB design, comfortable in a dynamic environment, and working closely with senior management, to design PCB's for applications using highly innovative and cutting-edge technologies.
Mechanical Engineer Intern/Co-op Fall 2026 CMTA, IncMechanical Engineer Intern/Co-op Fall 2026Framingham, MAPursuing 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. 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.
Cosentini Associates - Mechanical Engineer - (Mid-Level) - (Hybrid) Boston, MA Tetra Tech IncCosentini Associates - Mechanical Engineer - (Mid-Level) - (Hybrid) Boston, MABoston, MA$85,000–$115,000 / yearWith 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. Our services include MEP design, Net Zero Energy, lighting design, commissioning, vertical transportation, low voltage, information technologies, security, audiovisual, code consulting/fire engineering, sustainability consulting, and acoustics.
Cosentini Associates - Senior Associate Mechanical Engineer - (Hybrid) Boston, MA Tetra Tech IncCosentini Associates - Senior Associate Mechanical Engineer - (Hybrid) Boston, MABoston, MA$130,000–$160,000 / yearWith 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. Our services include MEP design, Net Zero Energy, lighting design, commissioning, vertical transportation, low voltage, information technologies, security, audiovisual, code consulting/fire engineering, sustainability consulting, and acoustics.
HVAC Mechanical Engineer Cummings Properties LLCHVAC Mechanical EngineerWoburn, MA$110,000–$150,000 / yearOur in-house Design Department is a dynamic team of architects, engineers, and designers who work on diverse projects, from new mid-rise buildings to innovative energy retrofits. Charitable gift match up to $2,000 annually, plus the opportunity to direct an additional $2,000 in Company funds each year to a local nonprofit of your choice.
mechanical engineer leominster, ma ESRhealthcare and EXEC STAFF RECRUITERSmechanical engineer leominster, maLeominster, MassachusettsNote: We are looking for candidates with substantial (5+ years) experience engineering large machinery involving motion, and a really nice to have would be experience or projects listed on the resume with thing they have built, even someone who builds / modifies cars in the free time ideally. The primary responsibilities will be to design, develop, and optimize mechanical systems and components using 3D modeling tools, technical documentation, and hands-on problem-solving to ensure manufacturability and project success.
Mechanical Engineer I WhoopMechanical Engineer IBoston, MassachusettsSupport the design and execution of comprehensive testing and validation plans, employing advanced design of experiments (DOE) methodologies to drive understanding, uncover insights, and deliver actionable results that enhance product quality, performance, and manufacturability. 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.
Mechanical Engineer II (NPI) WhoopMechanical Engineer II (NPI)Boston, MassachusettsYou 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.