Senior Mechanical Engineer Jobs

Lead development and execution of complex mechanical assembly and commissioning tests for SPARC, providing technical leadership, in-field troubleshooting, and cross-functional coordination at Commonwealth Fusion Systems in Devens, MA.

GILLIG seeks an experienced Senior Mechanical Engineer to lead the design, validation, and industrialization of heavy-duty transit bus components at its Livermore manufacturing facility.

Bosch is hiring a Senior Mechanical Systems Development Engineer to drive design, testing, and certification of air source heat pump (ASHP) products at its Watertown, MA facility.

Lead end-to-end mechanical design and release of vehicle subsystems at a fast-moving, publicly traded autonomous vehicle company serving industrial customers.

Lead the design and integration of mechanical and fluid subsystems for next-generation aircraft as a Senior Mechanical Systems Engineer based in Denver.

Lead mechanical design and development for Karman Industries' Thermal01 electric heat pump, owning mechanical, thermal, and turbomachinery hardware from concept through production.

Voyant Photonics is hiring a Senior Manufacturing Process Engineer to own and scale precision opto-mechanical assembly and packaging processes for its compact LiDAR modules.

Senior Mechanical Engineer to lead the mechanical design and delivery of next-generation thin-film R&D and manufacturing equipment at Commonwealth Fusion Systems.

Lead the Tooling and Factory Automation team at Relativity Space to define tooling strategy and deliver complex tooling systems that enable repeatable, scalable production of Terran R.

Atom Computing is hiring a Senior Mechanical Engineer in Boulder to design and validate precision opto-mechanical systems and lead hands-on assembly for next-generation quantum computers.

SGS is hiring a Senior Mechanical Engineer in Tucson to lead mechanical design and project support for mineral and chemical processing facilities focused on base and precious metals recovery.

Anduril seeks a Senior Product Sourcing Engineer in Costa Mesa to drive supplier development, cost engineering, and BOM risk mitigation for electrical hardware across NPI and production.

Experienced engineering professional sought to lead capital projects and support R&D operations at AbbVie’s North Chicago API Pilot Plant.

Commonwealth Fusion Systems is hiring a Senior Mechanical Engineer to own and deliver HTS magnet feeder hardware for the SPARC program, driving analysis, design-for-manufacture, and production support.

Lead mechanical and electro-mechanical design for Eden’s HPHT downhole stimulation systems, managing a small team and driving prototypes from lab validation to field deployment.

Lead systems engineering for multidisciplinary electro-mechanical projects at a product development firm, defining architectures, managing requirements and risks, and guiding integration and V&V to delivery.

Medtronic seeks a technically strong Senior Automation Engineer to lead equipment automation, troubleshooting, and design improvements at its Plymouth manufacturing site.

Kimley-Horn is hiring a Senior Mechanical Project Manager in Nashville to lead MEP design projects, mentor technical staff, and manage client-facing project delivery from concept to completion.

Lead product engineering for small home appliances at Our Place, driving designs from concept to mass production while collaborating across design, quality, and global manufacturing partners.

Lead complex HVAC design projects as a Senior Mechanical Engineer (PE) at an employee-owned firm delivering mission-critical facilities and community-focused infrastructure.

Lead supplier selection, cost engineering, and supply-network development at Anduril to accelerate hardware product development and optimize lifecycle TCO.

Lead strategic supplier engagement and cost engineering to develop and scale Anduril’s hardware products through NPI and production in Lexington, MA.

HaloBraid seeks a Senior Mechanical Engineer / Engineering Manager to own mechanical architecture, lead engineers, and drive the braiding robot from prototype to manufacturable product.

Anduril seeks a Lead Mechanical Engineer to drive mechanical design and analysis of solid rocket motor components for defense and space applications.

WHOOP is hiring a Senior Mechanical Engineer to lead mechanical design, validation, and manufacturing release for next-generation biometric wearables.

Watney seeks a Senior Mechanical Engineer to design and deliver production robotic components and assemblies for its autonomous datacenter robots from the company’s San Francisco HQ.

Lead process piping design and engineering for life sciences and tech projects at a mature specialty contractor, overseeing design-build efforts from concept through commissioning.

CF Industries seeks a Senior Project Engineer at its Woodward plant to lead capital projects and ensure EHS, operability, and reliability goals are met through strong project management and cross-functional collaboration.

Anduril Industries is hiring a Senior Materials Engineer in Costa Mesa to lead failure analysis, materials characterization, and data-driven material decision-making for advanced defense products.

Senior Project Engineer needed to lead electro-mechanical product development efforts—designing, prototyping, testing, and managing projects for clients across aerospace, automotive, and medical industries.

Anduril is hiring a hands-on Senior Mechanical Engineer to own mechanical design, tooling, and airframe manufacturing for new unmanned rotorcraft on the Maneuver Dominance team in Costa Mesa.