Top Mechanical Engineering Jobs in San Francisco Bay Area, CA

Drive supplier quality and manufacturing scale-up for satellite production. Responsibilities include defining product and inspection specifications, qualifying vendors through audits and builds, leading DFM reviews and production phase gates, developing incoming quality controls, reviewing supplier documentation, and leading root-cause analysis and corrective actions. The role requires technical communication, critical decision-making, supplier travel, and expertise in mechanical and thermal manufacturing processes.

Design and analyze mechanical structures and assemblies for satellite SAR payloads and spacecraft subsystems. Create SolidWorks models and manufacturing drawings, perform FEA and tolerance analysis, support environmental testing, coordinate with vendors and machine shops, maintain technical documentation, and conduct hands-on assembly, integration, and testing of prototype and flight hardware.

Design and develop robotic actuators, including transmissions, motor integration, structural packages, bearings, sealing, and thermal systems. Define and run life testing using fleet-derived load spectra, perform teardown analysis, and establish evidence-based design margins. Collaborate on in-house assembly, calibration, end-of-line testing, and actuator performance roadmaps. The role requires precision mechanical design, geartrain analysis, manufacturing and DFM expertise, CAD, FEA, tolerance analysis, GD&T, fatigue, and thermal design experience.

Design CAD-based mechanical engineering exercises, evaluation criteria, learning resources, and scoring rubrics. Interview senior engineers across thermal, propulsion, and structural disciplines to capture engineering workflows. Create scalable assessments that reflect real-world CAD and mechanical design practices across multiple platforms. The role requires broad experience in structural, thermal, manufacturing, aerospace, and defense engineering, along with FEA familiarity and professional CAD proficiency.

Leads mechanical engineering design for high-performance buildings from concept through construction administration. Responsibilities include HVAC and building systems design, calculations, specifications, drawings, code compliance, energy optimization, site investigations, multidisciplinary coordination, construction review, client support, proposal development, and technical quality assurance. Mentors engineers and designers, leads multiple projects, supports practice development, and serves as a mechanical subject matter expert.

Leads mechanical and HVAC system design for complex building and infrastructure projects from concept through construction administration. Responsibilities include technical leadership, engineering calculations, specifications, drawings, code compliance, energy optimization, multidisciplinary coordination, site investigations, submittal reviews, client meetings, proposal support, and mentoring junior engineers. The role also contributes to practice development and maintains technical quality, schedule, budget, and constructability across multiple projects.

Own mechanical robot subsystems from architecture through production, including drivetrain, structures, actuation, linkages, and enclosures. Select and integrate components, perform load and tolerance analysis, prototype in-house, and design for manufacturing, assembly, serviceability, and reliability. Debug deployed robots, coordinate with manufacturers and vendors, mentor junior engineers, and drive rapid iteration on field-ready hardware.

Own the mechanical design of mobile robots, including drivetrain, structures, actuators, linkages, and enclosures. Select components, perform load and tolerance analysis, fabricate prototypes, and design for manufacturing, serviceability, and reliability. Debug failures on deployed robots and improve designs based on field experience. Responsibilities also include vendor management for machined, sheet metal, and molded parts. The role requires strong hands-on fabrication skills and in-person work in San Francisco.

Own mechanical designs for aircraft electromechanical assemblies from concept through certification. Responsibilities include prototyping, development testing, mass optimization, stress and thermal analysis, manufacturing and field troubleshooting, system safety and reliability, requirements integration, and design for manufacturability and cost. The role collaborates cross-functionally to deliver safe, lightweight, reliable components supporting aircraft autonomy and perception systems.

Own the mechanical packaging and deployment of small modular gas turbines, including enclosures, structural frames, mounts, baseplates, vibration isolation, cooling and fuel systems, and lift and transport provisions. Design machinery for manufacturing, assembly, field installation, serviceability, and scalable deployment. The role requires taking turbine hardware from packaging concepts through released drawings and deployed units.

Design and develop mechanical components for deployable modular gas turbines, including enclosures, structural frames, mounts, baseplates, vibration isolation, and transport provisions. Create and release CAD drawings, apply tolerances, source parts, support assembly, and test designs on the shop floor and test stand. The role involves hands-on fabrication, installation, troubleshooting, and scaling turbine systems for field deployment and serviceability.

Own the design, prototyping, testing, and validation of precision mechanical systems for automated process cells. Responsibilities include developing motion systems, fixtures, robotic handoffs, feed and clamping mechanisms, electrical test interfaces, and reliable high-cycle production equipment. The role requires rapid bench prototyping, empirical diagnostics, tolerance analysis, and close integration with electrical and software engineers. This is a fully onsite founding role in San Francisco requiring six-day workweeks.

Leads mechanical design and integration for cryogenic quantum-computing hardware, including cryostat architecture, RF signal packaging, thermal anchoring, shielding, and room-temperature-to-millikelvin interfaces. Creates CAD models, drawings, BOMs, specifications, and assembly documentation; performs thermal, vibrational, and structural simulations; builds and validates prototypes; collaborates across physics, RF, hardware, cryogenic, and systems teams; and manages suppliers and design traceability.

Develop thermal-hydraulic models for scientific apparatus using ASME B31.3-2022 for installation at a research reactor. Perform steady-state and transient temperature modeling, work independently, and coordinate with EPC contractors and vendors on costs and budgets. The role is remote, part-time, and temporary, with at least four required site visits to State College, Pennsylvania. U.S. citizenship, background screening, drug-free status, and references are required.

Design, prototype, and validate mechanical subsystems for autonomous surface and subsea vehicles (pressure housings, seals, thruster assemblies). Integrate sensors and actuators with electronics, lead lab and ocean testing, troubleshoot field issues, and iterate designs from CAD to deployed hardware. Work hands-on in fabrication and travel internationally for testing.

Own the mechanical design and performance of data center cooling products from requirements through manufacturing, testing, and field improvement. Lead calculations, equipment integration, supplier coordination, testing, and design reviews across refrigeration, liquid cooling, airflow, piping, and thermal systems. Provide technical support to engineering teams and customers, including cooling-load analysis, product configuration, technical proposals, and integration guidance.

Lead the architecture, hydraulic design, documentation, integration, manufacturing readiness, controls coordination, and commissioning of liquid-cooling and mechanical distribution systems for modular AI data centers. Own P&IDs, calculations, equipment and valve schedules, interfaces, standards, and performance validation. Collaborate with thermal, electrical, controls, manufacturing, commissioning, supply chain, OEM, and field teams to create scalable, serviceable, repeatable systems for deployment across multiple sites.

Design, prototype, test, and refine mechanical hardware for robotics systems. Create CAD models, 2D drawings, BOMs, test reports, and assembly instructions; validate components and assemblies; collaborate with electrical, systems, software, operations, and manufacturing teams; and support pilot builds and production readiness.

Performs piping flexibility and stress analysis, pipe support design, finite element analysis, and static equipment design for oil, gas, and LNG projects. Prepares calculations, drawings, specifications, bid evaluations, and technical documentation. Reviews supplier data, coordinates with multidisciplinary project teams, directs designers and drafters, and provides field verification and mechanical execution support.

Leads mechanical product development for complex assemblies, including pack structures, piping, fittings, sheet metal, plastics, and welded components. Owns design concepts through verification, release, and production support while driving cost reduction, DFM/DFA, supplier collaboration, design reviews, tolerance analysis, and engineering change control. Coordinates cross-functional inputs from analysis, manufacturing, sourcing, and electrical teams, and provides technical leadership across mechanical work packages.

Design and integrate mechanical and electromechanical systems by defining requirements, interfaces, boundaries, and verification plans. Coordinate multidisciplinary engineering inputs across mechanical, electrical, thermal, fluids, materials, manufacturing, suppliers, and CAE. Lead trade studies, document technical rationale and risks, assess backward compatibility and revalidation impacts, and develop requirement traceability and phased implementation recommendations.

Design and develop high-temperature mechanical components, assemblies, and systems from concept through production. Perform FEA, thermal and fluid-flow analysis, FMEA, GD&T, and tolerance stack-ups. Integrate sensors, instrumentation, and cable routing while collaborating with electrical and controls teams. Lead prototyping, testing, design reviews, supplier documentation, scheduling, and cross-functional progress reporting. The role is onsite in Alameda with up to 10% travel.

Design and own mechanical systems for industrial materials-processing and recycling equipment from CAD through field commissioning. Responsibilities include developing conveyance systems, frames, enclosures, guarding, sensor mounts, drawings, tolerance analyses, and fabrication packages. The role coordinates vendors and machine shops, leads installation and testing, models throughput and facility layouts, and implements field improvements. Candidates need mechanical design experience, CAD and GD&T proficiency, hands-on hardware-building ability, and willingness to travel for installations.

Leads mechanical engineering for data center operations, including HVAC and cooling system design, infrastructure optimization, capacity planning, energy efficiency, maintenance practices, and project delivery. Provides operational troubleshooting and technical leadership, manages vendors and multidisciplinary teams, ensures regulatory compliance, and supports reliable, sustainable, cost-effective data center infrastructure. Travel up to 25% is required.

Hands-on mechatronics engineer owning hardware-software integration for an autonomous robot. Responsibilities include sensor/actuator driver development in ROS2, debugging firmware and real-time protocols, CAD design and GD&T drawings, PCB/power wiring support, test automation and HIL validation, and field reliability/stress testing for construction environments.