Mechanical Project Engineer DewberryMechanical Project EngineerBoston, Massachusetts$117,250–$150,750 / yearFull timeJob Description: Dewberry is currently seeking a Mechanical Project Engineer to work in our Boston, Massachusetts office to support our growing Boston practice and to support various offices throughout the Northeast region. Projects will typically be for both public and private clients, including but not limited to the Massachusetts Bay Transportation Authority (MBTA) or Naval Facilities (NAVFAC) projects.
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.
NewMechanical Engineer – Cable Magnets Commonwealth Fusion SystemsMechanical Engineer – Cable MagnetsDevens, MAA minimum of 5 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.
Project Manager Construction – Building Mechanical/HVAC J.F. White ContractingProject Manager Construction – Building Mechanical/HVACFramingham, MA$130,000–$200,000 / yearPart timeThe Division’s experience with pumps, building controls, air handling, boiler installations, steam systems and chilled water systems has grown and developed over the past 25 years. White’s Mechanical Division offers a variety of mechanical services – including heating, ventilation and air conditioning (HVAC), plumbing, process piping, and instrumentation – to public and private clients.
NewSemiconductor Electro-Mechanical Assembly Technician L3HarrisSemiconductor Electro-Mechanical Assembly TechnicianGloucester, MA$23–$25 / hourThroughout the day, you capture progress, work expenses, and labor details at a computer terminal, and you may occasionally load software, perform simple programming tasks, or carry out minor repairs. You finish by documenting completed work, auditing parts received, inspecting for defects, and suggesting process improvements—all while following safety procedures and using protective equipment as required.
Mechanical Project Engineer J.F. White ContractingMechanical Project EngineerBoston, MA$85,000–$130,000 / yearPart timeWhite Contracting Company's Mechanical Division is seeking a driven and detail-oriented Mechanical Project Engineer to support the delivery of complex HVAC and mechanical construction projects throughout Greater Boston. Bachelor's degree in Construction Management, Mechanical Engineering, Civil Engineering, or a related field — OR — 3+ years of hands-on experience in mechanical or HVAC construction.
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 - Undersea Reconnaissance & Strike ANDURIL INDUSTRIESMechanical Engineer - Undersea Reconnaissance & StrikeQuincy, MA$129,000–$171,000 / yearThis role involves close collaboration with vehicle design engineering, field operations, and manufacturing/maintenance teams as well as customer representatives to ensure effective support and execution of missions in a variety of rugged environments. Anduril's Maritime Division has assembled a diverse team of experts in software, robotics, artificial intelligence, sensor fusion, and data analysis to create software and hardware solutions that radically evolve the capabilities of our customers.
2026 ADGE Mechanical Design Engineer II (On-Site) RTX2026 ADGE Mechanical Design Engineer II (On-Site)Tewksbury, MassachusettsActive 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. Knowledge of electronic assembly integration, shelters, racks, power distribution units, military/commercial specifications, GD&T (ASME Y14.5), ECAD processes, interconnects/cables/harnesses, and material selection/finishes.
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.
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- Waltham Acorn Product Development, Inc.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.
Senior Mechanical Engineer – Structural Analysis RTXSenior Mechanical Engineer – Structural AnalysisMassachusettsActive 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. Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant or An Advanced Degree in a related field and minimum 3 years’ experience.
Senior Mechanical Engineer RTXSenior Mechanical EngineerTewksbury, MassachusettsActive and existing security clearance required after day 1 Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Help create the definitions of mechanical outline and construction details, component selection and specification, mechanical and assembly drawings, electrical/RF layout, and delivering the final technical data package.
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.
Senior Mechanical Engineer - Assembly Equipment Commonwealth Fusion SystemsSenior Mechanical Engineer - Assembly EquipmentDevens, MAYou 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. Join the power movement as a Senior Mechanical Engineer As a Senior Mechanical Engineer on the Assembly Team at CFS, you design, develop, and manage fabrication of the wide variety of unique tooling needed for the successful assembly and integration of the SPARC tokamak device.
Mechanical Designer H&HMechanical DesignerBoston, MA$77,000–$85,000 / yearWith more than 139 years of experience and over 600 professionals across 32 offices nationwide, we combine deep technical expertise with the agility of a privately owned firm. From planning and design through construction, we manage the full project life cycle while continually advancing our capabilities, strengthening our national presence, and investing in the people who power our growth.
Engineer (Mechanical, Systems, Controls) BlueShiftEngineer (Mechanical, Systems, Controls)Somerville, MassachusettsHighly proficient in SolidWorks; SolidWorks FlowSim or equivalent; Experience working with flow control or water treatment systems, working with programmable logic units and controllers, or similar. Leading the design, building, testing and integration of system components such as mineral reaction chambers to create a high integrity and commercially viable unit.
Mechanical Engineer Triton Systems, Inc.Mechanical EngineerChelmsford, MAPlatforms include military force sustainment systems, medical products, water purification, V-22 Osprey vertical takeoff aircraft bearings, fiber optic connectors, energy harvesting, advanced refrigeration, communication systems, hearing protection, acoustics, and subsea systems. Our teams thrive in a collaborative, fast-paced environment where we tackle complex challenges, meet our customers' toughest requirements, and deliver high-impact results-on time, on budget and having fun while doing it.
NewSenior Mechanical Engineer – Utilities & Environmental Systems PfizerSenior Mechanical Engineer – Utilities & Environmental SystemsMassachusettsProvide technical leadership and engineering solutions for plant utility and environmental systems, including HVAC, chillers, chilled water, cooling towers, steam, process glycol, heating hot water, freezers and cold rooms, fume hoods, biosafety cabinets, fire protection systems, BAS, and associated controls. Subject to further legal review and statutory or regulatory clarification, which Pfizer intends to pursue, reimbursement of recruiting expenses for licensed physicians may constitute a reportable transfer of value under the federal transparency law commonly known as the Sunshine Act.