Top Mechanical Engineering Jobs

Lead engineering design and project management for natural gas and oil pipeline projects, including trenchless crossings, station and facility piping, routing, pipe sizing, cost estimates, field investigations, and coordination with clients and project teams. Provide site visits and ensure project milestones and documentation are met.

Join Barr as a mechanical engineer supporting multidisciplinary projects in power generation, oil & gas, and manufacturing. Develop and review engineering calculations, system specs, and construction drawings; select equipment; support project execution from concept to bid; prepare reports, cost estimates, and client documentation; perform occasional field observation and serve as lead engineer on large projects.

Design, develop, and refine mechanical systems and components for industrial AI robots. Collaborate with cross-functional teams to integrate mechanical, electrical, and software components. Perform feasibility studies, simulations, prototype fabrication, testing, and validation. Create engineering drawings, specifications, and manufacturing documentation. Work with vendors and lead projects from concept to production while meeting performance, reliability, and safety standards.

Perform pipe stress analyses (CAESAR II/AutoPIPE) to support ASME B31 and Section III nuclear piping design. Evaluate supports, thermal expansion, seismic and operating loads; prepare calculation packages, analysis reports, and design documentation; collaborate with structural, thermal, and systems engineers; develop piping design standards and review processes.

Plan, develop, and execute test programs for advanced reactor technologies. Coordinate with systems engineers, design test hardware and facilities, oversee fabrication/installation/commissioning, supervise test execution, document results, and liaise with vendors. Provide in-person test oversight and support lifecycle of test hardware.

Provide mechanical engineering support and project oversight for manufacturing operations, troubleshoot and modify equipment, lead change-of-designs and root cause analyses, and lead the site Mechanical Integrity and Quality Assurance (MI-QA) program including PSM criticality assessments, inspection plans, SAP data maintenance, and maintenance procedure improvements.

Design and deliver deployable mechanical mechanisms and Product Definition Packages (PDPs). Develop CAD/3‑D models, identify and resolve design gaps, ensure compliance with element specifications, and collaborate with IPTs, suppliers, and manufacturing to meet program objectives and support product integration and testing.

Lead mechanical architecture and systems integration for opto-mechanical and vacuum quantum hardware. Design for manufacturability, apply FEA/CFD simulations, define tolerance and alignment strategies, standardize UHV assembly/testing, manage PLM and vendor relationships, mentor engineers, and ensure hardware meets qualification benchmarks.

Design and lead development of ground test subsystems for propellant handling and propulsion testing. Build and analyze fluid and structural systems, implement cryogenic and vacuum systems, develop test requirements/procedures, perform technical analyses and HAZOPs, mentor junior engineers, coordinate vendors, and oversee construction, installation, and commissioning of test facilities.

Design and analyze piping, tubing, and structural supports for test facilities and flight hardware; perform pipe stress analysis; specify pipe supports; lead high-pressure gas and cryogenic fluid system design; conduct HAZOPs; manage suppliers; support fabrication, installation, commissioning, and field operations; mentor engineers and perform peer reviews.

Design and lead development of high-pressure gas and cryogenic fluid systems and mechanical test fixtures for rocket engine test stands. Perform process hazard analyses, manage suppliers, support fabrication/installation/start-up, prepare project plans and budgets, coordinate scope with customers, and mentor junior engineers. Occasional travel to sites (up to 25%).

Design and develop fluid and mechanical systems for ground test facilities, produce P&IDs, models, drawings, and analyses, support supplier coordination, hazard assessments, build and commissioning activities, apply ASME standards, and provide on-site fabrication and start-up support for cryogenic, propellant, and high-pressure gas systems.

Responsible for designing mechanical and optomechanical parts for image sensor calibration systems, conducting analyses, and ensuring successful implementation of designs.

Analyze and model Singapore's future industrial power demand, integrate supply and capacity data, evaluate options (generation, grid, interim solutions), assess funding approaches, and support multi-agency stakeholder decision-making.

Leads mechanical design and mechanism development for space robotics, precision mechanisms, electromechanical assemblies, tooling, fixtures, and ground support equipment. Owns hardware from architecture and detailed design through analysis, procurement, assembly, integration, environmental testing, qualification, and flight delivery. Responsibilities include trade studies, CAD and documentation, tolerance analysis, FEA, technical reviews, supplier coordination, risk management, cross-functional collaboration, and mentoring engineers.

Develops precision mechanical and electromechanical hardware for space robotics, mechanisms, tooling, fixtures, and ground support equipment. Responsibilities span concept development, CAD design, analysis, drawing release, procurement, assembly, integration, environmental testing, qualification, and delivery. The engineer applies GD&T, tolerance analysis, material and process selection, hand calculations, and finite element analysis while collaborating with cross-functional engineering, manufacturing, quality, supply chain, and test teams.

Lead mechanical and thermal design for high-power electrical systems. Develop cooling solutions, manage thermal strategies, and mentor junior engineers.

Design and support mechanical engineering projects from concept through construction completion. Work independently on smaller projects and collaborate with experienced engineers on complex assignments. Coordinate with multiple disciplines, solve problems, make decisions, and develop expertise in building mechanical systems within a structured training and career-development program.

Designs complex VIP aircraft interiors and structures, including ceilings, sidewalls, flooring, floor structures, and OEM modifications. Selects materials, performs mechanical motion and weight-and-balance analysis, and ensures designs meet customer, quality, manufacturing, budget, schedule, and FAA requirements. Collaborates with manufacturing, design, suppliers, and testing teams; supports drawing reviews, test setups, reports, and liaison engineering. Provides technical guidance while developing manufacturable, cost-effective, and aesthetically appropriate aircraft interior solutions.

Design, analyze, build, and support mechanical ground support equipment for spacecraft integration, testing, and launch. Create CAD models, drawings, assemblies, bills of materials, documentation, and operating procedures. Evaluate load paths, fixture stability, and structural margins using calculations and FEA. Support hands-on integration and test campaigns, cleanroom and floor operations, and collaborate with multidisciplinary engineering, manufacturing, and test teams.

Designs and develops tooling, fixtures, machine components, prototypes, and automation-support equipment. Creates CAD models, drawings, assemblies, BOMs, and vendor packages; performs engineering checks; supports fabrication, installation, testing, troubleshooting, validation, and production handoff. Collaborates with controls, electrical, production, suppliers, and fabrication partners to improve safety, quality, throughput, reliability, cost, and maintainability across manufacturing sites.

Designs mechanical systems for architectural engineering projects from concept through construction completion. Works independently on smaller projects and receives mentorship on complex assignments. Coordinates with multiple engineering disciplines, manages project timelines, and communicates technical information formally. Requires mechanical or architectural engineering education, Revit experience, and consulting experience. A PE license or Engineer-in-Training status with plans to pursue licensure is preferred.

Designs and integrates robotic and automation systems for semiconductor equipment. Responsibilities include evaluating mechanical, electrical, and software designs; managing OEM robot vendors; conducting robot testing and qualification; building test stands; developing testing software; troubleshooting complex systems; resolving quality issues; and supporting system integration in manufacturing and cleanroom environments.

Support continuous improvement and reliability of specialized manufacturing equipment, including seamless tube reducing mills. Lead engineering projects, develop and optimize mechanical designs, maintain drawings and records, procure and install equipment upgrades, troubleshoot issues with operations and maintenance teams, analyze manufacturing processes, and ensure compliance with safety, environmental, and regulatory requirements.

Leads mechanical engineering and building systems design, serving as engineer of record across complex projects. Responsibilities include load calculations, system design, QA/QC, multidisciplinary coordination, construction administration, energy modeling, life-cycle cost analysis, budgeting, technical writing, and contract document signing and sealing. The role also mentors engineers and designers, manages project resources, supports client studies, and coordinates deliverables throughout design and construction.