Top Mechanical Engineering Jobs in San Francisco Bay Area, CA

Lead mechanical architecture and design for connected consumer products from concept through mass production. Mentor mechanical engineers, drive DFM and manufacturing readiness, own system integration of electromechanical assemblies, manage suppliers, run feasibility and reliability testing, and shepherd programs through EVT, DVT, PVT, and MP milestones.

Lead end-to-end mechanical design of electric motors and related assemblies for autonomous aircraft, from requirements through production. Design rotor-stator assemblies, housings, cooling, enclosures, and interfaces; perform FEA/CAE, thermal and rotor-dynamics analysis; develop production CAD, GD&T drawings, test plans, prototypes, and supplier readiness; and drive manufacturability, reliability, and cost-down efforts.

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.

The Senior Mechanical Engineer will automate workflows, validate mechanical designs, and ensure consistency in preconstruction engineering processes.

Lead mechanical design and development of manufacturing-scale reactor equipment, perform FEA/thermal/fluid analysis, create detailed engineering packages, drive safety-by-design and PSM activities, manage vendor/fabricator coordination and FAT/installation, and mentor junior engineers to ensure manufacturability, reliability, and compliance.

Design and develop manufacturing-scale reactors translating R&D concepts to capital projects. Perform FEA, thermal and fluid modeling; create equipment layouts, drawings, datasheets, and specs. Manage vendor/fabricator coordination, FAT, installation verification, and maintain compliant engineering documentation while prioritizing safety, manufacturability, reliability, and maintainability.

Lead mechanical design of high-performance rotary actuators across concept, prototyping, testing, validation, and production. Optimize torque density, efficiency, packaging, reliability, and manufacturability while collaborating with motor, controls, electronics, and manufacturing teams.

Design and manufacture ruggedized mechanical subsystems from concept to production: CAD modeling, prototyping (CNC, 3D printing, laser cutting, vacuum forming), microfluidic and airflow subsystem integration, DFM/DFA, tolerance analysis, testing, vendor coordination, field testing, and iteration toward production readiness.

The Mechanical CAD Engineer will develop and maintain CAD models and documentation, ensuring designs are manufacturable and integrated with adjacent systems while collaborating with R&D and manufacturing teams.

Lead mechanical design and deployment of robotic grinding and finishing cells. Design end effectors, fixturing, force-compliance, tooling selection, and safety/dust systems. Solve material-removal and surface-finish process problems, test and iterate on the production floor, and set mechanical standards for new parts and customers.

Design, build, and iterate mechanical components for robotic grinding and finishing cells. Create CAD models, fabricate and assemble hardware, deploy and debug systems on customer factory floors, and grow into ownership of complex mechanical problems.

Lead mechanical development of automated ground systems from concept to field deployment. Design structures, precision mechanisms, electromechanical assemblies; prototype, validate, and ensure manufacturability, reliability, safety, and operational usability while partnering cross-functionally and with suppliers.

Design and deliver mechanical subsystems from concept through production: translate requirements into CAD, drawings, BOMs, and verification plans; lead prototyping, FEA and first-principles analysis, test campaigns, supplier handoffs, and cross-functional integration to meet mass, life, and reliability targets.

Design and validate mechanical systems for deployment machines: chassis, drivetrains, manipulators, and end effectors. Produce CAD, detailed drawings, GD&T, and DFM handoff. Run FEA and fatigue analysis, build and test prototypes, and drive vendor relationships to scale prototypes into field-deployed fleets in harsh outdoor environments.

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.

Work with engineering team to design, build, and test satellite hardware and software. Design, procure, assemble, and test structure, bracketry, and mechanisms; perform mechanical and thermal analysis; integrate parts and systems; and document and improve build procedures for spacecraft.

Twelve-week salaried associate role supporting the engineering team to design, build, and test satellite hardware and/or software. Hands-on hardware development, prototyping, and validation work on flight-relevant systems. Intended for recent graduates with demonstrated ability to design, build, and test hardware.

Twelve-week salaried Associate Engineer role working with the engineering team to design, build, and test satellite hardware and/or software. Requires hands-on hardware development experience, the ability to design and test hardware from scratch, and a relevant technical degree. Opportunity to work on mission-critical satellite projects with potential full-time conversion.

Work with engineers to design, build, and test satellite mechanical hardware and mechanisms. Perform mechanical and thermal analysis, procure and assemble composite and metallic components, integrate systems into spacecraft, and document procedures to improve the build process.

Work with engineering teams to design, build, and test satellite hardware and/or software. Perform hands-on hardware development from concept through testing, supporting flight-quality satellite systems in a fast-paced aerospace environment.

Twelve-week internship designing, building, and testing satellite mechanical hardware and systems. Tasks include CAD design, procurement, assembly, mechanical and thermal analysis, integration, and developing build procedures alongside engineering teams.

Design, analyze, build, and test high-speed power transmission systems (geartrains, shafts, bearings, lubrication) for turboelectric propulsion. Perform gear calculations, rotordynamic and NVH analysis, define and run qualification tests, instrument hardware, anchor simulations to test data, and collaborate with propulsion, aircraft, and test teams to validate performance.

Design and develop Plasma-Enhanced CVD reactor systems and components, lead prototyping and manufacturing, produce drawings, collaborate with vendors and teams, troubleshoot and improve reactor performance and yield.

Lead supplier development for machined parts: audit and improve supplier processes, perform on-site quality investigations, support NPI, provide technical guidance on specifications and manufacturing, monitor supplier performance, and mitigate supply chain risks to enable scalable aerospace production.

Own mechanical architecture and detailed designs for Dropbox electromechanical assemblies from requirements through production and field operation. Drive trade studies, GD&T and tolerance stacks, FEA and kinematic analysis, prototype and test campaigns, supplier qualification, and root-cause failure investigations to improve reliability, manufacturability, and serviceability for unattended customer-facing systems.