Top Mechanical Engineering Jobs in San Francisco Bay Area, CA

Design and develop mechanical components and assemblies for autonomous production robots, including grippers, manipulators, end-effectors, and mounts. Lead designs from concept through production, develop rapid prototypes, integrate components into larger hardware systems, and ensure performance, reliability, and manufacturability. Provide technical leadership and collaborate with hardware engineering and operations teams in an onsite, fast-paced environment.

Supports sustainable building design through CAD and Revit, energy modeling, mechanical design calculations, HVAC and plumbing layouts, construction administration, commissioning, site visits, specifications, cost estimates, and energy and water data analysis. The intern collaborates with engineering and design teams during a paid 10-to-12-week onsite program.

Design and document mechanical building systems, including HVAC, plumbing, fire protection, and energy modeling. Perform mechanical calculations, thermal simulations, system layouts, plan reading, and construction administration with guidance from senior project staff. Use Revit and AutoCAD for drafting and design while developing knowledge of building codes, specifications, and industry standards.

Lead mechanical and thermal system design for AI supercomputer hardware, from concept through production. Responsibilities include CAD modeling, FEA, tolerance analysis, prototyping, reliability testing, thermal management, supplier collaboration, manufacturing support, product launches, and mentoring engineers. The role focuses on chassis, enclosures, cooling systems, high-power connections, and validation of mission-critical data center hardware.

Own the complete thermal system for medium-voltage solid-state power conversion products, from architecture and modeling through CAD, CFD, prototyping, validation, manufacturing, and production. Lead concept selection, thermal routing, DFM/DFA, testing, troubleshooting, and technical direction for junior engineers. Collaborate cross-functionally with mechanical, electrical, manufacturing, quality, supplier, and factory teams to solve novel thermal engineering challenges.

Designs process-mechanical systems for water and wastewater treatment infrastructure, including equipment, piping, pumping, hydraulics, aeration, and pipe supports. Develops calculations, specifications, drawings, and BIM models; coordinates interdisciplinary design teams; reviews construction submittals; responds to contractor inquiries; and performs site observations. The role also supports construction phases, manages design tasks, and may mentor less experienced staff.

Own mechanical design standards and cooling architectures for large-scale AI data centers. Design central plants, hydronic distribution, air-cooling, and liquid-cooling systems; perform thermal and hydraulic calculations; select and size equipment; review designs and vendor submittals; coordinate with engineering, construction, commissioning, and operations teams; support procurement, testing, commissioning, and failure investigations. The role requires frequent cross-functional collaboration and travel to project sites, manufacturers, and partner facilities as needed.

Own mechanical design standards and cooling architectures for large-scale AI data centers. Design and size central plants, hydronic distribution, air-cooling, and liquid-cooling systems; perform thermal, hydraulic, and equipment calculations; review designs and vendor documents; coordinate with engineering, construction, and operations teams; and support procurement, testing, commissioning, failure investigations, and site activities.

Leads mechanical application engineering for prefabricated data-center platforms, including fan coil units, chilled-water skids, hydronic systems, and integrated assemblies. Translates customer requirements into manufacturable designs, sizes mechanical components, develops BOMs and technical documentation, and supports prototyping, FAT/SAT, and first-article builds. Collaborates with electrical, controls, supply chain, sales, operations, vendors, and fabricators while applying DFM/VAVE principles and maintaining revision-controlled documentation.

Perform aerodynamic and mechanical analyses and designs for centrifugal, radial, and axial turbomachinery supporting hydrogen fuel cell aircraft systems. Develop 1D/2D mean-line models, CFD, FEA, CAD designs, testing fixtures, instrumentation, and data acquisition systems. Collaborate cross-functionally through design-build-test cycles, support prototype and aircraft testing, and optimize component performance, durability, and reliability.

Design and develop mechanical components, subassemblies, and systems for electric aircraft battery powertrain applications. Perform modeling, simulation, materials selection, testing, troubleshooting, and verification. Collaborate with vendors, manufacturing teams, and test engineers throughout the development lifecycle, from early architecture through production.

Designs, analyzes, prototypes, tests, and validates mechanical components and assemblies for aircraft propulsion power converters. Responsibilities include 3D CAD modeling, thermal and structural analysis, electronics packaging, vibration and EMI management, fixture design, troubleshooting, failure investigation, and cross-functional collaboration through production. The role applies mechanical engineering principles across structures, fluids, thermal management, materials, and electromechanical systems.

Own controls standards and reference architectures for mechanical systems in large-scale AI data centers. Design control narratives, sequences, automation, instrumentation, alarms, PLC/DDC/BMS requirements, and system responses to failures and changing loads. Review vendor designs, coordinate cross-functional controls requirements, support testing and commissioning, troubleshoot control issues, and incorporate operational lessons into future standards. Travel to project sites and partner facilities as needed.

Own mechanical controls standards and automation architectures for large-scale AI data centers. Develop sequences, control narratives, points lists, alarm matrices, and controller requirements for cooling and heat-rejection systems. Review designs, coordinate cross-functional controls requirements, support testing and commissioning, troubleshoot control issues, and improve standards using operational lessons. The role requires expertise in PLC, DDC, BMS, instrumentation, control loops, industrial communications, and mechanical cooling systems, with travel to project and partner sites as needed.

Design and own mechanical robotic subsystems from concept through prototyping, testing, iteration, and production. Responsibilities include CAD modeling, material and tolerance selection, design for manufacturability, hands-on prototype fabrication using 3D printing and CNC machining, and integration of motors, sensors, electronics, and actuators into robotic arms and mobile bases. The role requires close collaboration with hardware teams to develop reliable systems for data center operations.

Supports manufacturing and delivery of mechanical cooling equipment for data centers. Evaluates supplier readiness, production capacity, manufacturing processes, quality, and field performance; identifies improvements; manages supplier reviews and issue resolution; and collaborates with engineering, sourcing, construction, suppliers, and contractors. Requires 25–50% domestic travel to supplier facilities and construction sites.

Performs mechanical design for power system products, converting prototypes into commercially viable systems. Responsibilities include cooling calculations, design compliance, customer consultation, installation inspections, engineering reports, technical manuals, and use of computer-assisted design software. Provides guidance to Level 1 engineers and designers. The position is onsite in Monroe, Louisiana, includes 5–10% travel, and requires three months of onsite training at an out-of-state facility.

Designs mechanical and plumbing systems for data centers and other major construction projects. Independently drives projects through design and construction, oversees mechanical drawings and specifications, coordinates with clients, contractors, vendors, manufacturers, and multidisciplinary teams, and selects and schedules major equipment. The role also includes site observations, client meetings, mentoring junior staff, and ensuring compliance with mechanical systems and energy codes.

Senior Mechanical Engineer responsible for designing and overseeing mechanical and plumbing systems for data centers, industrial buildings, offices, and other construction projects. Duties include independently driving projects through design and construction, coordinating with clients, vendors, contractors, and multidisciplinary teams, selecting major equipment, producing drawings and specifications, and mentoring junior staff. Travel to job sites may be required for observations and client meetings.

Leads mechanical engineering and serves as Engineer of Record for complex data center projects. Designs HVAC, chilled water, and mission-critical cooling systems; reviews technical documents; coordinates multidisciplinary teams; oversees projects through construction; manages budgets and schedules; conducts equipment and energy analyses; mentors engineers; seals designs; and supports proposals and client presentations.

Leads mechanical engineering efforts for mission-critical data center projects, including new construction, expansions, retrofits, standards development, design reviews, construction support, equipment evaluations, value engineering, controls review, commissioning, and troubleshooting. Collaborates with operations teams, consultants, suppliers, construction partners, and customers. Reviews mechanical, plumbing, fire protection, HVAC controls, energy, hydraulic, and CFD analyses while supporting factory testing, site meetings, and emergency response.

Design and deliver mechanical and fluid system components from concept through production and flight. Perform trade studies, detailed CAD designs, and structural/thermal/fluid analyses. Collaborate with propulsion, structures, avionics, controls, and manufacturing teams, work with suppliers, develop and run hardware test plans, support prototyping, vehicle builds, ground and flight testing, and participate in technical reviews and safety/hazard analyses.

Own mechanical hardware design for vehicle-mounted LiDAR sensors from concept through production. Responsibilities include enclosure, chassis, thermal, sealing, mounting, drawings, GD&T, testing, tooling, DFM, contract manufacturing support, revision control, and field reliability. The role requires hands-on prototyping, collaboration with electrical and firmware teams, and ensuring rugged performance across environmental and vehicle conditions.

Own the mechanical design and production lifecycle of ruggedized vehicle-mounted sensor hardware. Responsibilities include enclosure, chassis, thermal, sealing, mounting, simulation, environmental testing, CAD, drawings, GD&T, BOMs, DFM, tooling, tolerance analysis, reliability improvements, contract manufacturing support, and product documentation. The role collaborates with electrical, firmware, perception, molders, tool shops, and manufacturing partners while ensuring safety, quality, cost, and production readiness.

Lead mechanical design for consumer electromechanical products from concept through production. Responsibilities include CAD modeling, prototyping, testing, thermal/fluid/structural analysis, cross-functional collaboration, DFM/DFA, tolerance analysis, and manufacturing ramp support in Asia. The role requires designing plastic, metal, and soft goods components integrated with sensors and actuators, supporting high-volume manufacturing, and traveling to China as needed.