Design Engineer Continental ResourcesDesign EngineerExeter, NHFull timeWork will be performed using oscilloscopes, voltage meters, electronic loads, bench top power supplies, varies, test fixtures, environmental ovens and other electronic associated equipment. •Testing product models whether actual or prototype (bead board) to environmental conditions in order to establish operational stability, reliability and conformity to design.
Sr. Principal Design Engineer Continental ResourcesSr. Principal Design EngineerExeter, NHFull timeTesting will include subjecting product model with either actual or prototype breadboard to environmental conditions to establish operational stability, reliability and conformity to design. • Responsible for generating preliminary documentation for fabrication of prototype models which may include fabricating, testing, troubleshooting and repairing analog and digital/analog circuits.
NewSenior Engineer Constellation EnergySenior EngineerNahant, MA$138,600–$154,000Has completed assigned skills and knowledge development training (applicable Advanced Engineering, EPRI, and Constellation University training or industry provided training) to develop expert level of knowledge in designated areas. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.
NewPrincipal Mechanical Design Engineer The Charles Stark Draper LaboratoryPrincipal Mechanical Design EngineerCambridge, MassachusettsDraper supports many programs to improve work-life balance including workplace flexibility, employee clubs ranging from photography to yoga, health and finance workshops, off site social events and discounts to local museums and cultural activities. The mechanical design team is responsible for the full cycle of mechanical design from concept exploration of multiple potential solutions through trade study analysis, down-selection, prototyping and testing, and finally delivery.
Principal Mechanical Design Engineer RTXPrincipal Mechanical Design EngineerMarlborough, 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. Work with minimal direction or supervision, while exercising considerable latitude in determining the technical objectives of the assignment while meeting cost, schedule, quality, and performance requirements for the finished product.
Assistant Vice President, Mechanical Design Engineer WSP Global IncAssistant Vice President, Mechanical Design EngineerBoston, MA$138,100–$205,000 / yearWork with cross‑functional teams of engineers to execute HVAC project design work on mid‑level and/or multiple concurrent projects, including, tracking hours, task completion, system calculations, compliance documentation, and technical analysis. This role will actively participate in the full project cycle with a focus on complex sector work such as healthcare HVAC systems, pharmaceutical clean rooms, life sciences facilities, laboratories, industrial ventilation, and mixed-use commercial facilities from the design phase through final construction close‑out.
Principal Mechanical Design Engineer RTX CorpPrincipal Mechanical Design EngineerTewksbury, MAWork with minimal direction or supervision, while exercising considerable latitude in determining the technical objectives of the assignment while meeting cost, schedule, quality, and performance requirements for the finished product. Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience or An Advanced Degree in a related field and minimum 5 years experience.
Sr. Mechanical Design Engineer Myomo IncSr. Mechanical Design EngineerBurlington, MA$130,000–$140,000 / yearBased on patented technology developed at MIT, Harvard Medical School and by the Company, Myomo develops and markets the MyoPro product line of lightweight, non-invasive, powered arm braces (orthoses) to restore function in paralyzed or weakened arms and hands of individuals that have suffered a stroke, spinal cord, or nerve injury. It is the only device that, sensing a patientâs own neurological signals through non-invasive wearable sensors, can restore the ability to use their arms and hands so that they can live independently, increase their quality of life, reduce cost of care, and return to work.Â
Senior Mechanical Design Engineer RTXSenior Mechanical Design EngineerMarlborough, 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.
2026 ADGE Mechanical Design Engineer II (On-Site) RTX Corp2026 ADGE Mechanical Design Engineer II (On-Site)Tewksbury, MAKnowledge 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. The ideal candidate will bring a blend of technical expertise, mechanical hardware design experience, system integration skills, and a strong background in program execution and production support.
Sr. Mechanical Design Engineer Flex LtdSr. Mechanical Design EngineerLittleton, MA$126,500–$173,900 / yearThis role is responsible not just for creating models, but for expertly detailing SolidWorks designs into clear, complete, and executable documentation that enables low‑cost, high‑quality, repeatable manufacturing. Build and maintain complete documentation packages, including SolidWorks models, drawings, specifications, and structured BOMs, with accountability for accuracy and completeness.
Senior Mechanical Design Engineer RISE RoboticsSenior Mechanical Design EngineerSomerville, MA$150,000–$175,000Founded in 2011 by graduates of MIT and RISD (Rhode Island School of Design), and backed by Engine Ventures, Techstars, Fortistar and Gates Corporation, RISE Robotics is leading the way to Zero Emission heavy machinery by providing the world’s most efficient and productive alternative to hydraulics. Proven technical aptitude and experience with electro-mechanical design and related manufacturing processes that might include: complex mechanical assemblies; rotating machinery; tolerance studies; design for assembly / manufacturing; EE and ME component and material selection; FMEA; design for life.
Principal Mechanical Design Engineer RISE RoboticsPrincipal Mechanical Design EngineerSomerville, MA$175,000–$200,000Founded in 2011 by graduates of MIT and RISD (Rhode Island School of Design), and backed by Engine Ventures, Techstars, Fortistar and Gates Corporation, RISE Robotics is leading the way to Zero Emission heavy machinery by providing the world’s most efficient and productive alternative to hydraulics. Proven technical aptitude and experience with electro-mechanical design and related manufacturing processes that might include: complex mechanical assemblies; rotating machinery; tolerance studies; design for assembly / manufacturing; EE and ME component and material selection; FMEA; design for life.
Senior Mechanical Design Engineer RTX CorpSenior Mechanical Design EngineerMATeaming/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 Design Engineer Entwistle CoMechanical Design EngineerMA$80,000–$100,000 / yearIn this role, you'll help deliver mission-critical components that support U.S. and allied defense, with your skills, creativity, and impact directly contributing to national and global security. Collaborate with project management and cross-functional teams to troubleshoot designs, resolve issues, and drive continuous improvements.
Mechanical Design Engineer NanobiosymMechanical Design EngineerCambridge, MAFull timeNanobiosym Diagnostics, Nanobiosym 's commercial engine, focuses on the commercialization of its disruptive diagnostic technology platform, which will empower people worldwide with rapid, accurate, and portable diagnostic information about their own health. In addition to technical skills, successful candidates possess strong organizational, communication and team skills, and thrive in a fast-paced start-up environment.
Design Engineer II SigSauerDesign Engineer IIExeter, NHPart timePosition Summary: The Design Engineer II is responsible for developing moderately complex sub-system designs for new products as well as design improvements for legacy products. A basic understanding of manufacturing methods including machining, metal injection molding, plastic injection molding, stamping/fine blanking, extrusion, forging, and casting is required, as is knowledge in material selection, heat treatment, and coatings.
Electro Mechanical Design Engineers - ATE- Creo - Creo Schematic Associates SystemsElectro Mechanical Design Engineers - ATE- Creo - Creo SchematicTewksbury, MassachusettsMinimum of five (5) years of technical / engineering experience in mechanical design and/or production support Minimum of three (3) years experience with CAD solid modeling tools and analysis tools with an emphasis on ProE / CREO Parametric . Research, plan, design and develop mechanical test systems in areas including, but not limited to, vibration, thermal, hydraulic, radio frequency, and electro-optical for production testing environments.
Mechanical Design Engineer Pendar TechnologiesMechanical Design EngineerCambridge, MA$90,000–$110,000 / yearIn six months, you will have… Sourced parts, assembled, and tested the next set of prototypes, successfully handing them off to our internal teams for R&D and algorithms development. Have 2–5 years of mechanical engineering experience, with familiarity across the full product development cycle from prototypes through DFM to production handoff.
Sr. Design Engineer SigSauerSr. Design EngineerExeter, NHPart timeToday, SIG SAUER is synonymous with industry-leading quality and innovation which has made it the brand of choice amongst the U.S. Military, the global defense community, law enforcement, competitive shooters, hunters, and responsible citizens. Able to generate clear, fully dimensioned, ASME Y14.5 compliant drawings of complex parts using logical datum structures and functional dimensioning schemes.
Design Engineer II SIG SAUER IncDesign Engineer IINHPosition Summary: The Design Engineer II is responsible for developing moderately complex sub-system designs for new products as well as design improvements for legacy products. A basic understanding of manufacturing methods including machining, metal injection molding, plastic injection molding, stamping/fine blanking, extrusion, forging, and casting is required, as is knowledge in material selection, heat treatment, and coatings.
Design Engineer (HVAC - Mass) Aha EngineersDesign Engineer (HVAC - Mass)Boston, MA$80,000–$120,000 / yearAs a multi-discipline building system consulting firm, our offerings include best-in-class HVAC, Plumbing, Electrical and Fire Protection (MEP/FP) and Technology Design; Energy & Sustainability Consulting; Commissioning, BIM/VDC and Advisory Services; Arc Flash and Coordination Studies; and Computational Fluid Dynamics Modeling. AHA’s Team of dedicated professionals in our Burlington and Boston, MA; Atlanta (Alpharetta), GA; Philadelphia, PA; and Ashburn, VA offices expertly advise, evaluate, model, design and commission high-performance building systems delivering trusted performance to our clients under the most challenging budget and schedule constraints.
Engineer: Mechanical Design Engineer With Plastics Experience Nanobiosym IncEngineer: Mechanical Design Engineer With Plastics ExperienceCambridge, MANanobiosym Diagnostics Nanobiosyms commercial engine focuses on the commercialization of its disruptive diagnostic technology platform which will empower people worldwide with rapid, accurate, and portable diagnostic information about their own health. In addition to technical skills, successful candidates possess strong organizational, communication, and team skills and thrive in a fast-paced start-up environment.
Tooling Fixture Design Engineer Yantran LLCTooling Fixture Design EngineerBoston, MAShould have good understanding on fixture concept, working principle of common OEM's like bearings, gearbox, toggles, slides etc. Onsite role will act as the interface between client teams and the offshore design team to reduce communication friction.
Lead Mechanical HVAC Design Engineer WSP Global IncLead Mechanical HVAC Design EngineerBoston, MA$118,000–$175,500 / yearVerify 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.
Senior Hardware Design Engineer RTXSenior Hardware Design EngineerMarlborough, MassachusettsThese design efforts will include collaboration with systems engineers, mechanical engineers, manufacturing engineers, and other electrical engineers to perform design trades and requirements flow down, perform electrical analysis, develop test plans, and ultimately to deliver working hardware that meets program requirements. Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date 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.
Hardware Design Engineer II RTXHardware Design Engineer IIMarlborough, MassachusettsThese design efforts will include collaboration with systems engineers, mechanical engineers, manufacturing engineers, and other electrical engineers to perform design trades and requirements flow down, perform electrical analysis, develop test plans, and ultimately to deliver working hardware that meets program requirements. Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date 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.
Principal Hardware Design Engineer RTXPrincipal Hardware Design EngineerMarlborough, MassachusettsThese design efforts will include collaboration with systems engineers, mechanical engineers, manufacturing engineers, and other electrical engineers to perform design trades and requirements flow down, perform electrical analysis, develop test plans, and ultimately to deliver working hardware that meets program requirements. Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date 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.
Design Automation Engineer, Architectural Design and BIM Reframe SystemsDesign Automation Engineer, Architectural Design and BIMBoston, MassachusettsYou'll work inside the design workflow, starting with Revit automation, and turn the manual, repetitive parts of design and estimating into stable, production-grade software that saves the team real time and feeds into our downstream "CAD-to-fab" systems. Through our vertically integrated delivery model and highly automated microfactories, we deliver climate resilient homes and buildings with greater speed and predictability than traditional construction.
Senior Design Engineer Reframe SystemsSenior Design EngineerAndover, MassachusettsYou will leverage deep expertise in parametric CAD to create designs that are far more detailed than traditional AEC workflows, generate manufacturing-ready assets, and ultimately drive efficiency and precision across our product line. As a Senior Mechanical Engineer, you will be responsible for the following areas, with an emphasis on automation and process improvement: Expert CAD Modeling and Detailing: Serve as the technical authority for creating detailed and parameterized CAD models using Onshape.
NewTooling Design Engineer Amphenol Communications SolutionsTooling Design EngineerNashua, NHAmphenol Corporation is one of the world's largest designers and manufacturers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial and high-speed specialty cable. Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, is a world leader in interconnect solutions for Communications, Mobile, RF, Optics, and Commercial electronics markets.
Mechanical Engineer I (HVAC facility design) Integrated Project Services IncMechanical Engineer I (HVAC facility design)Burlington, MA$83,000–$127,000 / yearProcess Architecture, Process Design, Engineering, Construction, Commissioning, Qualification, LEAN Project Delivery, Strategic Master Planning, Energy Conservation Management, Project Controls, Program/Project Management, Operations/Logistics Strategy and Planning, EPCMV, and Staffing Services. At IPS, we are global leaders in developing innovative solutions for the consulting, architecture, engineering, project controls, procurement, construction management, and CQV of technically complex facilities, primarily in the life sciences industry.
Sr. Design Engineer SIG SAUER IncSr. Design EngineerNHToday, SIG SAUER is synonymous with industry-leading quality and innovation which has made it the brand of choice amongst the U.S. Military, the global defense community, law enforcement, competitive shooters, hunters, and responsible citizens. Able to generate clear, fully dimensioned, ASME Y14.5 compliant drawings of complex parts using logical datum structures and functional dimensioning schemes.
Design Engineer II SIG SAUER CareersDesign Engineer IIExeter, New HampshirePosition Summary: The Design Engineer II is responsible for developing moderately complex sub-system designs for new products as well as design improvements for legacy products. A basic understanding of manufacturing methods including machining, metal injection molding, plastic injection molding, stamping/fine blanking, extrusion, forging, and casting is required, as is knowledge in material selection, heat treatment, and coatings.
Design Engineer II, Suppressors SigSauerDesign Engineer II, SuppressorsExeter, NHPart timeCapable of performing moderately complex analyses such as FEA, kinematic and dynamic motion studies, CFD, thermal/heat transfer analysis, and sound/pressure flow evaluation related to suppressor performance, durability, and thermal management. Intermediate understanding of manufacturing methods including precision machining, CNC turning, welding, additive manufacturing, metal injection molding, plastic injection molding, stamping/fine blanking, extrusion, forging, and casting.
Test Development Design Engineer NR Consulting LLCTest Development Design EngineerTewksbury, MA$58–$63 / hourTest architectures include a blend of customized and COTS Automatic Test Equipment (ATE), along with custom electro-mechanical holding fixtures and associated interface cabling and harnessing. Engineers in this role will also have exposure to the full lifecycle development process - from the requirements definition phase of the test solution design process through the verification and final system sell-off in a production facility or field/depot environment.
Fixture Design Engineer ApolisFixture Design EngineerBoston, MA$115–$125 / yearSenior Fixture Design Engineer leads end-to-end design, development, and deployment of manufacturing fixtures and production tooling to support NPI and high-volume manufacturing, ensuring quality, efficiency, and scalability. Strong mechanical design expertise, ability to convert evolving requirements into robust tooling solutions, lead global programs, and deliver high-quality, scalable manufacturing outcomes in fast-paced.
Junior Design Engineer - On Site Only Microspec CorporationJunior Design Engineer - On Site OnlyPeterborough, NH$29–$32 / hourPrimary job responsibility: Supports the design and programming of extrusion tooling for new products and the optimisation of existing tooling to improve process efficiency and product quality. Bachelor’s degree in Mechanical, Manufacturing, Plastics Engineering, or related technical discipline preferred; relevant experience in extrusion tooling design considered.
Principal Mechanical Engineer (Design/Analysis) BAE Systems PlcPrincipal Mechanical Engineer (Design/Analysis)Nashua, NHfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US126314BREXTERNAL/Principal-Mechanical-Engineer-(Design/Analysis ).
Mechanical Engineer III (HVAC facility design) IPS-Integrated Project ServicesMechanical Engineer III (HVAC facility design)Burlington, Massachusetts$112,000–$150,000 / yearFull timeIn this role, you will perform the design of the mechanical (HVAC) systems, including but not limited to: air distribution ductwork systems, hot water, chilled water and condenser water pumping and piping systems, steam and condensate piping systems, central plants, air handling systems, dehumidification systems, automatic control systems and ancillary heat transfer systems for pharmaceutical, biotech, and life science facilities. Process Architecture, Process Design, Engineering, Construction, Commissioning, Qualification, LEAN Project Delivery, Strategic Master Planning, Energy Conservation Management, Project Controls, Program/Project Management, Operations/Logistics Strategy and Planning, EPCMV, and Staffing Services.
Mechanical Design Integrations Backend Engineer Foundation EGIMechanical Design Integrations Backend EngineerBoston, MassachusettsExperience developing software integrations using commercial CAD APIs , such as Siemens NX Open, CATIA, SOLIDWORKS API, Creo Toolkit, Autodesk Inventor API , or similar engineering platforms. $110,000 - $175,000 a year We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
Hardware Design Engineer II RTX CorpHardware Design Engineer IITewksbury, MAThese design efforts will include collaboration with systems engineers, mechanical engineers, manufacturing engineers, and other electrical engineers to perform design trades and requirements flow down, perform electrical analysis, develop test plans, and ultimately to deliver working hardware that meets program requirements. Experience working in a laboratory environment using logic analyzers, oscilloscopes, phase noise analyzer (PNA), and spectrum analyzer to test and verify the functions of digital and mixed signal circuits and systems.
Senior Hardware Design Engineer RTX CorpSenior Hardware Design EngineerTewksbury, MAThese design efforts will include collaboration with systems engineers, mechanical engineers, manufacturing engineers, and other electrical engineers to perform design trades and requirements flow down, perform electrical analysis, develop test plans, and ultimately to deliver working hardware that meets program requirements. Experience working in a laboratory environment using logic analyzers, oscilloscopes, phase noise analyzer (PNA), and spectrum analyzer to test and verify the functions of digital and mixed signal circuits and systems.
Principal Hardware Design Engineer RTX CorpPrincipal Hardware Design EngineerMarlborough, MAThese design efforts will include collaboration with systems engineers, mechanical engineers, manufacturing engineers, and other electrical engineers to perform design trades and requirements flow down, perform electrical analysis, develop test plans, and ultimately to deliver working hardware that meets program requirements. Experience working in a laboratory environment using logic analyzers, oscilloscopes, phase noise analyzer (PNA), and spectrum analyzer to test and verify the functions of digital and mixed signal circuits and systems.
Design Engineer KeyPoint StaffingDesign EngineerMerrimack, NHYou'll contribute to the design, development, and improvement of spray nozzles, headers, lances, and related fabricated components while working alongside experienced engineers in a collaborative, innovation-driven environment. Collaborate with manufacturing, applications engineering, and sales teams to translate customer requirements into viable product designs.
Senior Test Equipment Design Engineer with Active Secret Clearance Geologics CorporationSenior Test Equipment Design Engineer with Active Secret ClearanceTewksbury, MA$64–$79 / hourTest architectures include a blend of customized and COTS Automatic Test Equipment (ATE), along with custom electro-mechanical holding fixtures and associated interface cabling and harnessing. Degree in Electrical Engineering or demonstrated experience with electrical engineering design concepts Minimum 5 years of related experience excluding internships .
Mechanical Engineer I (HVAC Facility Design) IPS-Integrated Project ServicesMechanical Engineer I (HVAC Facility Design)Burlington, Massachusetts$72,000–$111,000 / yearFull timeProcess Architecture, Process Design, Engineering, Construction, Commissioning, Qualification, LEAN Project Delivery, Strategic Master Planning, Energy Conservation Management, Project Controls, Program/Project Management, Operations/Logistics Strategy and Planning, EPCMV, and Staffing Services. Job Description: At IPS, we are global leaders in developing innovative solutions for the consulting, architecture, engineering, project controls, procurement, construction management, and CQV of technically complex facilities, primarily in the life sciences industry.
Sr. Design Engineer SIG SAUER CareersSr. Design EngineerExeter, New HampshireToday, SIG SAUER is synonymous with industry-leading quality and innovation which has made it the brand of choice amongst the U.S. Military, the global defense community, law enforcement, competitive shooters, hunters, and responsible citizens. • Able to generate clear, fully dimensioned, ASME Y14.5 compliant drawings of complex parts using logical datum structures and functional dimensioning schemes.
Design Engineer II, Suppressors SIG SAUER IncDesign Engineer II, SuppressorsNHCapable of performing moderately complex analyses such as FEA, kinematic and dynamic motion studies, CFD, thermal/heat transfer analysis, and sound/pressure flow evaluation related to suppressor performance, durability, and thermal management. Education/Experience & Skills: Bachelor of Science in Mechanical Engineering and 3-6 years of engineering experience in an R&D environment, preferably involving firearm suppressors, small arms systems, precision mechanical products, or related accessories.
Principal Test Equipment Design Engineer with Active Secret Clearance Geologics CorporationPrincipal Test Equipment Design Engineer with Active Secret ClearanceTewksbury, MA$70–$90 / hourWork with Prime Engineering, Production, and Operations teams early in development cycle to identify capability and capacity needs for manufacturing test and ensure smooth deployment to manufacturing facilities. Test architectures include a blend of customized and COTS Automatic Test Equipment (ATE), along with custom electro-mechanical holding fixtures and associated interface cabling and harnessing.