Mechanical Engineer Jobs

NYC DEP is hiring an Assistant Mechanical Engineer to support design, construction management, field inspections, and permit compliance for water and wastewater infrastructure projects across the watershed.

Anduril's Maritime team is hiring a Mechanical Engineer to design and integrate fluid and piping systems for autonomous surface vessels, ensuring performance and compliance in maritime environments.

Lead mechanical construction for a Central Energy Plant in Los Angeles, managing contractors, inspecting installations, and supporting system commissioning to meet project specifications.

Provide hands-on project management and field engineering support for DEP water and wastewater infrastructure projects as an Assistant Project Manager based in Valhalla, NY.

E-Space is hiring a Staff Battery Electro-Mechanical Engineer to lead design, qualification, and production readiness of satellite battery packs from clean-sheet through flight.

Colby Co. Engineering seeks an experienced Mechanical Engineer to lead HVAC, plumbing and industrial system design and construction support for multidisciplinary projects across Maine and New Hampshire.

Senior Principal Mechanical Engineer needed to lead mechanical design, hardware development, and project coordination for Cubic Defense's secure communications systems in San Diego.

Greene, Tweed is hiring a Plant Engineer to lead design, installation, commissioning, and qualification of facility and utility assets at the Kulpsville, PA plant.

Experienced mechanical engineers are needed to deploy to disaster sites and perform damage assessments, scope development, and cost estimating in support of FEMA recovery programs for Dewberry.

Kimley-Horn is looking for an experienced MEP Mechanical Project Manager in Phoenix to lead mechanical design and coordination on healthcare projects while supporting project management tasks and client engagement.

Mantis Innovation is hiring a Mechanical Sales Engineer to develop, price, and help sell turnkey mechanical efficiency projects for commercial and industrial customers across Connecticut and the New England region.

Support and maintain Intuitive's robotic surgical systems on a second-shift schedule, providing technical troubleshooting, installations, and customer-facing service across your assigned territory.

Support development, testing, and characterization of advanced materials for critical fusion components as a Materials Engineer or Materials Test Intern at Commonwealth Fusion Systems.

Kimley-Horn is hiring a Mechanical Engineering intern in Chicago to support HVAC and MEP design work using technical software and cross-discipline collaboration.

Roquette is hiring a summer Process Engineering Intern for the Keokuk Corn Wet Mill to support process improvement projects and gain practical experience in plant operations.

Sargent & Lundy seeks an experienced Lead Mechanical Engineer to lead mechanical systems design and modifications for operating nuclear power plants and support project delivery and client engagement.

Mechanical Engineer needed to drive manufacturable design, NPI, and continuous improvement across materials, fabrication, automation, and data analytics at Agilent's Wilmington manufacturing site.

Moog is seeking a Product Engineer to lead analysis, test, and production support for space-rated mechanical hardware (EMAs) at its East Aurora facility.

Critical Energy is looking for a hands-on Development Test Engineer to design, execute, and lead validation campaigns for next-generation geothermal powerplant hardware and subsystems.

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Source and engage top-tier hardware, embedded firmware, and manufacturing talent to support OpenAI's consumer products development and scale their engineering teams.

Experienced mechanical engineer needed to lead HVAC, plumbing, and fire protection design for commercial and institutional projects from RMF Engineering’s Charlotte office under a hybrid schedule.

Experienced mechanical design engineer needed to support Monster Jam fleet R&D, leading design, testing, troubleshooting, and manufacturing support for heavy-vehicle projects.

Commonwealth Fusion Systems is hiring Mechanical/Manufacturing Engineering interns to help develop manufacturing processes, tooling, and assembly methods for high-field superconducting magnet components.

Bosch is hiring a Product Development Engineer into its 24-month Rotational Development Program to gain hands-on design, testing, and prototyping experience across multiple product teams.

Senior mechanical engineer to lead a small team designing, qualifying, and fielding flight-critical valves, actuators, and mechanisms for hypersonic aircraft.

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Lead Product Development Engineer on Mattel's Hot Wheels team responsible for driving electro-mechanical and mechanical product innovation from concept through production.

Serve as a senior mechanical reviewer for DDC, performing design and constructability reviews, in-house AutoCAD/BIM design, and site inspections for public building projects in New York City.

Mechanical Engineer Co-op to support hydraulic and mechanical engineering tasks at American Hydro's York, PA facility during the Spring term, gaining CAD and analysis experience in the hydroelectric industry.

A two-year Airbus Global Graduate opportunity for recent engineering graduates to develop into Graduate Manufacturing Engineers through rotations, hands-on process improvement projects, and formal leadership training at the Mobile, AL site.

Graco is hiring a hands-on Manufacturing Engineer Co-op to support machining and assembly process improvements, tooling selection, and troubleshooting at its Anoka, MN manufacturing site.

CRB is looking for a seasoned Process Utilities Engineer to lead utilities discipline design, budget management and coordination on complex life sciences projects.

Lead cross-functional prototyping projects at Zoox to design and build complex CATIA-modeled assemblies and tools for the company's autonomous vehicle platform.

Graco seeks a hands-on Manufacturing Engineer Co-Op to support machining and assembly process improvements during a May–December 2026 placement in Dayton, MN.

Fleetzero is hiring an experienced Mechanical Engineering Manager to lead design, prototyping, testing, and production of marine mechanical systems and production automation.

Provide onsite technical installation, maintenance, and repair for Intuitive robotic systems across the Toledo territory while delivering exceptional customer support and meeting service objectives.

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.

Milhouse is hiring a seasoned Mechanical Engineer III to lead complex HVAC, hydronic and fire protection design efforts and manage project deliverables for commercial building projects in Chicago.

An Engineering Intern at Murray Company will support mechanical system design and CAD work on commercial projects while gaining practical, onsite experience.

A technically strong clinical research engineer is needed to lead preclinical strategy and early-stage clinical evaluations for next-generation robotic surgical technologies at Intuitive's Sunnyvale site.

Commonwealth Fusion Systems is hiring Mechanical/Manufacturing Engineer interns to support manufacturing process development, CAD tooling, assembly, and R&D for high-field superconducting magnet systems at its Devens facility.

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.

Commonwealth Fusion Systems is hiring an Operations Engineering Intern to support SPARC facility operations, safety programs, and process improvements during a 12–16 week paid summer internship.

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.

DEP seeks experienced Mechanical Engineers to act as Accountable Managers overseeing wastewater capital design and construction projects across NYC, ensuring scope, schedule, budget and EHS compliance.

Lead and supervise multi-disciplinary teams to deliver capital public building projects on schedule and within budget for the NYC Department of Design and Construction, requiring a NYS PE and civil service eligibility.

Help productionize cutting-edge video AI at Cantina by building scalable inference systems, video data pipelines, and production-grade ML infrastructure.

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.

SEGULA Technologies is hiring a Development & Validation Engineer in Auburn Hills to lead transmission and driveline validation, DFMEA, and failure analysis for production launches.

BETA Technologies is hiring Mechanical Engineers to design, prototype, and support production of EV charging and ground support equipment for electric aircraft.