Top Mechanical Engineering Jobs in Boston, MA

Develops and deploys mechanical test fixtures and systems for product development and mass production. Responsibilities include translating test requirements into robust designs, applying tolerance analysis and GD&T, collaborating with contract manufacturers, leading fixture debugging and root-cause investigations, maintaining CAD and production documentation, and supporting NPI and production builds. The role also integrates electrical and instrumentation elements, evaluates fixture capability using manufacturing data and statistical methods, and drives cross-functional fixture improvements.

Leads mechanical design and productization for robotic transportation products from concept through launch. Designs production components, creates CAD and manufacturing documentation, develops prototypes and test fixtures, performs testing and root-cause analysis, and supports manufacturing and assembly. Collaborates with electrical, software, test, manufacturing, design, and vendor teams to resolve complex mechanical challenges and optimize designs for production.

Lead end-to-end mechanical engineering for next-generation biometric wearable products, from concept through manufacturing release. Own system-level design, analysis, validation, documentation, supplier coordination, DFM, root-cause analysis, and production readiness. Develop SolidWorks models, drawings, BOMs, and ECOs; manage verification and validation testing; collaborate with contract manufacturers and cross-functional teams; and mentor junior engineers. Travel internationally up to 20% and work from the Boston office.

Designs and develops electro-mechanical hardware for radar and unmanned systems across the full lifecycle, from requirements and 3D CAD modeling through fabrication, integration, testing, and delivery. Performs structural, vibration, shock, and thermal analyses; specifies components and vendors; produces technical documentation; and collaborates with multidisciplinary teams. The role supports operationally relevant defense applications and requires compliance with quality, maintainability, reuse, and applicable military standards.

Lead mechanical design for next-generation haircare products across the full lifecycle. Define product architecture, design parts for multiple manufacturing processes, build and iterate prototypes, integrate electrical systems, run DOEs, teardown and debug appliances, and source/validate components with global vendors. Collaborate cross-functionally to deliver manufacturable, consumer-driven solutions.

Designs and develops haircare consumer products from concept through mass production. Responsibilities include prototyping, testing, design reviews, DOE execution, troubleshooting electro-mechanical assemblies, analyzing test results, sourcing materials and components, and collaborating cross-functionally with R&D, industrial design, marketing, and quality teams. The engineer also mentors junior engineers and helps ensure designs meet manufacturing, cost, and performance requirements.

Leads mechanical engineering projects for next-generation X-ray imaging systems, covering requirements, concept and detailed design, CAD documentation, prototyping, verification, integration, root-cause analysis, and product transfer. Develops mechanical and electromechanical components, fixtures, and test equipment while collaborating with suppliers, manufacturing, quality, and multidisciplinary engineering teams. Supports design reviews, engineering changes, configuration management, and technical decision-making in a regulated medical technology environment.

Designs, integrates, tests, and supports mechanical and electromechanical components, assemblies, fixtures, tooling, and imaging systems. Performs hands-on prototype assembly, troubleshooting, laboratory system maintenance, verification testing, data analysis, root-cause investigations, and engineering documentation. Uses CAD, engineering drawings, GD&T, bills of materials, work instructions, and configuration records while collaborating on prototype builds and manufacturing readiness.

Design and develop vacuum chambers, frames, subassemblies, vacuum and nitrogen lines, and precision mechanical components. Create Creo CAD models and drawings, perform structural, modal, and O-ring compression analyses, support system builds, and collaborate across engineering and manufacturing teams. Manage ECOs, BOMs, configuration control, design reviews, and product lifecycle support through production release. The role requires a mechanical engineering degree and offers mentorship in vacuum technology, robotics, and semiconductor automation.

Designs and builds standard and custom mechanical test vehicles for iron-air battery research. Creates CAD models and engineering drawings, fabricates prototypes, develops tools and fixtures, collaborates with technicians and scientists, and improves assembly reliability. Manages multiple projects, follows lab and shop safety practices, and documents hardware for fabrication and testing.

The Mechanical Engineer I will design and develop mechanical components for hypersonic vehicles, manage prototypes, and ensure design optimization. Responsibilities include creating manufacturing drawings and collaborating across disciplines to meet performance requirements.

Develop and lead mechanical and ocean engineering solutions for uncrewed undersea systems, including vehicles, buoys, pressure vessels, hydrodynamic structures, and sensor subsystems. Responsibilities include modeling and simulation, prototyping, fabrication, integration, testing, peer reviews, technical documentation, and collaboration across mechanical, electrical, acoustic, software, and systems teams. The role supports advanced defense and ISR research involving fielded undersea systems.

Designs and develops consumer products from concept through product support. Builds prototypes, conducts controlled laboratory experiments, analyzes test data, resolves engineering issues, and collaborates across product development disciplines. Guides mechanical engineers, co-ops, and interns while translating technical findings into design recommendations. The role requires hands-on mechanical design, CAD, prototyping, instrumentation, and product development experience, with on-site work in Needham, Massachusetts.

Own mechanical subsystem design for next-generation iron-air battery systems, covering thermal, fluid-handling, and structural components. Develop first-principles models, prototype and test novel designs, optimize manufacturability and cost, and guide systems through verification. Collaborate with battery, materials, electrical, controls, manufacturing, compliance, and program teams while engaging vendors and mentoring engineers. Champion safety and use AI-enabled workflows in a fast-paced, production-scaling environment.

Design and develop ruggedized electro-mechanical systems through concept exploration, trade studies, prototyping, testing, and delivery. Collaborate with multi-disciplinary teams, produce technical reports, and ensure designs meet harsh-environment and performance requirements.

Design and develop complex electromechanical products from concept through production. Responsibilities include requirements definition, detailed mechanical design, engineering analysis, prototyping, testing, production documentation, vendor coordination, and collaboration with industrial design and UX teams. The role requires hands-on shop and lab work, familiarity with regulatory certification, and project activity management in a fast-paced onsite product development environment.

Design and develop complex robotic, automated, electromechanical, consumer, industrial, communications, and medical-device products from concept through production. Lead mechanical analyses, define requirements and hardware architectures, create production documentation, test prototypes, coordinate vendors, support project planning, collaborate with multidisciplinary teams, and mentor junior engineers.

Develop, implement, and optimize manufacturing processes for complex mechanical and electromechanical products. Provide production-floor engineering support, improve tooling and documentation, lead root-cause investigations, support new product introductions, validate processes, and drive Lean and continuous improvement initiatives. Analyze production data, develop automation and analysis tools, and collaborate with Quality, Supply Chain, Operations, and Design Engineering to improve safety, quality, delivery, and cost.

Supports the full lifecycle of fire suppression products through design, prototyping, testing, analysis, troubleshooting, and product improvements. Conducts mechanical, thermal, stress, and fluid analyses; maintains product approvals and quality documentation; evaluates field returns; and ensures compliance with international standards. Collaborates with manufacturing, quality, sourcing, product management, technicians, and approval agencies while leading design reviews, test plans, and stage-gate execution.

Own end-to-end mechanical design of custom mobile manipulators by integrating robot arms with AMR/AGV bases. Create CAD models, mounting structures, cable routing, simulation-ready geometry, and mass, payload, and center-of-gravity analyses. Iterate multiple design concepts, document tolerances and assembly procedures, and support physical builds. Collaborate with simulation and platform evaluation engineers during validation. This is a hands-on mechanical and mechatronic design role focused on hardware integration rather than robotics software or controls.

Designs and owns complex mechanical subsystems for AI robots, including mechanisms, end effectors, fixtures, mounts, enclosures, and sensor assemblies. Responsibilities span requirements definition, CAD, calculations, prototyping, fabrication, integration, validation, failure analysis, documentation, and reliability improvements. The role collaborates with electrical, software, and research teams to deliver repeatable, maintainable robotic hardware builds.

Design and prototype mechanical systems and components for AI-driven robots. Create 3D models and fabrication drawings, run simulations and tests, iterate through hands-on prototyping, coordinate with vendors, and ensure integration with electrical and software systems. Travel ~25% for site visits.

Design, fabricate, assemble, commission, and troubleshoot custom manufacturing equipment for an investment casting process. Translate process requirements into mechanical systems, fixtures, guarding, material handling, and automated equipment. Produce detailed drawings with GD&T, conduct testing and technical reviews, support sourcing and build-versus-buy decisions, and improve equipment manufacturability, maintainability, throughput, and reliability.

Lead design, architecture, and deployment of custom manufacturing equipment. Translate process requirements into scalable mechanical systems, drive build vs. buy decisions, prototype and commission hardware, and establish practices for equipment development. Report to CEO, shape technical roadmap, and grow a mechanical engineering and equipment organization.

Leads mechanical design and development of precision vacuum robots and electromechanical automation systems. Responsibilities include product design, FEA, tolerance analysis, technical leadership, prototype and production support, DFX implementation, customer and supplier collaboration, sustaining engineering, root-cause investigations, and reliability improvements. The role requires cross-functional collaboration across software, controls, electrical, systems, manufacturing, and supplier teams while mentoring engineers and supporting product roadmaps.