Senior Mechanical Engineer Jobs

Lead mechanical design and production readiness for next-generation thermal imaging products at Seek Thermal, guiding cross-functional teams from early concept through volume manufacturing.

Commonwealth Fusion Systems is hiring a Senior Diagnostics Mechanical Engineer to design and deliver mechanical systems and assemblies for SPARC diagnostic instrumentation, from CAD and analysis through prototyping, assembly, and commissioning.

Mainspring Energy is hiring a Senior Mechanical Engineer to lead alignment design, analysis, and validation of critical components for its Linear Generator at the Menlo Park HQ.

Albedo is hiring a Senior Optical Engineer to drive optical design, alignment, and production readiness for high-resolution VLEO telescope systems supporting the Clarity constellation.

Gridware is hiring a Senior Systems Research Engineer (Mechanical) to lead measurement requirements, experimental design, and hardware-in-the-loop testing for sensing technologies that protect and improve electrical grid reliability.

Experienced mechanical engineer needed to lead commissioning field work and testing for HVAC and mechanical systems while supporting business development and design review at Dewberry's Jackson office.

Antares is hiring a Senior Test Engineer to architect, build, and execute precision test stands and comprehensive test plans for space and terrestrial thermal systems at its Torrance facility.

Fortune Brands Innovations seeks a Senior Product Development Engineer to lead product design, validation and launch activities for home-product lines while driving cost reduction and mentoring engineering talent.

Experienced mechanical engineer needed to lead end-to-end mechanical system design, integration, and commissioning for entertainment and industrial projects in the Orlando area.

Experienced capital project engineer needed to lead design, vendor management, and execution of biologics manufacturing equipment and facility projects at AbbVie's Worcester site.

Lawrence Livermore National Laboratory seeks experienced Senior Mechanical Engineers to drive advanced mechanical design, analysis, and prototype development for national security programs.

Redwood Materials is hiring a Senior Mechanical Engineer to lead equipment design, capital projects, and continuous improvement for pilot and commercial battery recycling operations.

Lumafield is hiring a hands-on Senior Mechanical Engineer in San Francisco to lead mechanical design, prototyping, and system integration for next-generation industrial CT scanners.

Lead the end-to-end development of advanced spaceflight mechanical and thermal hardware at IRPI, owning design, prototyping, test, and qualification for life-support and spacecraft subsystems.

Lead structural design and analysis for large-scale artificial-gravity space stations at Vast, translating loads, manufacturing, and testing requirements into robust, buildable hardware.

Pacific Fusion is hiring a Senior Mechanical Engineer to lead precision mechanical design and alignment for its pulsed magnetic fusion platform in San Leandro.

Senior Mechanical Engineer needed to lead capital equipment, tooling design, and continuous improvement for production at Redwood Materials' McCarran facility.

Dewberry seeks an experienced Senior Mechanical Engineer/PM in Nashville to lead mechanical design, act as Engineer of Record, and mentor staff across multidisciplinary projects.

Lead complex healthcare and commercial MEP projects for Dewberry’s Elmhurst office as a Senior Mechanical Project Manager responsible for client relationships, project delivery, and business development.

Sargent & Lundy's Nuclear Power Group is hiring a Senior HVAC Engineer to lead design and problem-solving for complex HVAC and ventilation systems in nuclear and industrial facilities.

Moog is hiring a Senior Project Engineer in Torrance to lead the design, integration, and verification of complex electromechanical aerospace test systems for military aircraft.

Senior Mechanical Engineer role at Duke Energy to provide advanced mechanical engineering expertise, manage site engineering risk and outages, and support plant health at the St. Petersburg facility.