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.
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 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.
NewSenior Mechanical Engineer Danta TechnologiesSenior Mechanical EngineerBeverly, MA$30–$33 / hourAbout the role: The customer is looking for a senior semiconductor equipment mechanical design engineer, preferably someone who has worked on ion implantation equipment, vacuum systems, wafer handling, or similar semiconductor tools. Experienced in end-to-end product development, design reviews, prototyping, testing and cross-functional collaboration with systems, electrical, controls, manufacturing and field service teams.
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 ATISenior Mechanical EngineerWoburn, MAExperience with Product Lifecycle Management (PLM) systems such as Arena PLM or equivalent, including document control, revision management, engineering change order (ECO) processing, and bill of materials (BOM) structuring. Collaboration: Work with cross-functional teams, including electrical, controls, software, and perception engineers, to ensure solutions are aligned and integrated with product goals.
Mechanical Engineer Geologics CorporationMechanical EngineerQuincy, MA$55–$63.75 / hourRequires a Bachelor's degree in Mechanical Engineering, or a related Science, Engineering or Mathematics field. Rate offered at time of hire will depend on many factors including education, experience, interview results and skill level .
Mechanical Engineer AW Labor SolutionsMechanical EngineerNorth Chelmsford, MAWe are hiring an HVAC Mechanical Engineer to lead the in-house engineering of our HVAC and climate control work - heat pumps, mini-splits, VRF systems, and integrated controls - for residential and commercial projects throughout Massachusetts. EcoSave Home Solutions and iSun Solar are sister companies headquartered in North Chelmsford, Massachusetts, with over 10 years of experience delivering residential and commercial energy solutions across HVAC, solar PV, insulation, and roofing.
2026 ADGE Senior Mechanical Engineer – On-Site RTX2026 ADGE Senior Mechanical Engineer – On-SiteTewksbury, MassachusettsMechanical & Electromechanical Skills: Design, fabrication, and integration of electronic assemblies, shelters, racks, power distribution units; electromechanical troubleshooting; machined parts and CNC manufacturing; welded structure design and fabrication; structural design and/or analysis; Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5. Active and existing security clearance required after day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems.
Senior Mechanical Engineer Phantom StaffingSenior Mechanical EngineerActon, MassachusettsSpearhead the creation and integration of electro-mechanical systems for laboratory soil testing, ensuring seamless operation of mechanical and electrical components. Exceptional project management skills, with the ability to prioritize tasks, manage deadlines, and communicate effectively across teams.
Senior Mechanical Design Engineer RTXSenior Mechanical Design EngineerTewksbury, MassachusettsTeaming/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.
Mechanical Engineer, AI Integration XometryMechanical Engineer, AI IntegrationWaltham, MA$82,000–$97,000 / yearWorking closely with our Data Science and Product teams, you will act as a hands-on domain expert to translate physical manufacturing constraints, 2D technical drawings, and 3D geometry into structured inputs that train and improve Xometry's proprietary AI engine. Geometric Feature Analysis: Analyze native 3D CAD models to identify complex geometric topologies, specific features (such as deep pockets, complex threads, thin walls), and GD&T annotations to verify that Xometry's automated engine is reading them accurately.
NewSenior Mechanical Engineer Salas O'Brien, Inc.Senior Mechanical EngineerBoston, MA$110,000–$150,000 / yearPart timeOur specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Design and coordinate thermal energy generation and distribution systems, including hot water, steam, chilled water, geothermal wellfields, water-source and air-source heat pumps.
Mechanical Engineer III PDS Inc, LLCMechanical Engineer IIINorth Reading, MA$57–$60 / hourThermal simulation analysis using ANSYS IcePak and/or Siemens Star CCM. Use of engineering project management software such as JIRA, Confluence, or other Agile tools.
NewMechanical Engineer Danta TechnologiesMechanical EngineerGloucester, MA$30–$35 / hourChange Control & Configuration Management: Initiate and process ECO (Engineering Change Orders), ECN (Engineering Change Notices), VPR (Vendor Part Requests/Reviews), and QN (Quality Notifications) within Agile PLM and Windchill. Mechanical Design Engineer with 4 10 years of experience, strong Creo/Pro-E skills, mechanical drawing/BOM/GD&T experience, hands-on manufacturing/shop-floor support, ECO/ECN experience, and exposure to Windchill or Agile PLM.
Mechanical Engineer (Thermal Modeling) Osprey Talent SolutionsMechanical Engineer (Thermal Modeling)Boston, MassachusettsThis is a strong opportunity for a mechanically minded engineer who enjoys being close to the product, solving practical engineering problems, and contributing across design, analysis, testing, troubleshooting, and documentation. The right person will be comfortable working in a smaller technical environment where priorities can shift, business needs evolve, and engineers are expected to contribute beyond one tightly defined lane.
Mechanical Engineer Osprey Talent SolutionsMechanical EngineerBoston, MAThis is a strong opportunity for a mechanically minded engineer who enjoys being close to the product, solving practical engineering problems, and contributing across design, analysis, testing, troubleshooting, and documentation. The right person will be comfortable working in a smaller technical environment where priorities can shift, business needs evolve, and engineers are expected to contribute beyond one tightly defined lane.
Mechanical Engineer - RF/Aerospace - Burlington, MA Michael Page InternationalMechanical Engineer - RF/Aerospace - Burlington, MABurlington, Massachusetts$100,000–$130,000 / yearFull timeCreate and maintain technical drawings, models, BOMs, and specifications using SolidWorks. Process Engineering Change Orders (ECOs) and maintain engineering documentation.
Mechanical Engineer Beacon Engineering ResourcesMechanical EngineerBoston, MassachusettsThis role works closely with engineering and manufacturing teams to develop practical solutions, support product development efforts, and ensure designs meet technical and operational requirements. We are seeking a Mechanical Engineer to support the design, development, and improvement of mechanical systems and components.
Mechanical Engineer Lexington Medical, Inc.Mechanical EngineerBedford, MA$85,000–$100,000 / yearJoin a hands-on mechanical engineering team developing precision surgical stapling devices across three specialized groups: Reloads – Cartridge mechanisms, staple formation/geometry, firing sequences, and tissue compression. Portfolio Required: Please submit a portfolio demonstrating relevant engineering projects, including CAD work, prototypes, technical documentation, or other examples of your engineering experience.