Top Tech Jobs & Startup Jobs in San Francisco Bay Area, CA

Develop and optimize manufacturing processes, tooling, fixtures, equipment, workstations, and production line layouts for prototype and production builds. Author work instructions, conduct process capability studies, GR&R, and DoE, and ensure quality and regulatory compliance. Partner with design engineering during NPI, improve existing operations using Lean Manufacturing, and support powertrain, electronics, mechanical, and battery assembly applications.

Own strategic and tactical sourcing for PCBAs, FPCAs, and electronic components. Lead RFQs, contract negotiations, supplier selection, category strategy, cost reduction, supplier performance, and supply continuity. Partner with engineering, quality, manufacturing, finance, legal, planning, and supplier industrialization teams on DFM reviews, technical discussions, demand alignment, corrective actions, and program delivery. Ensure materials meet cost, quality, and schedule requirements in an aviation manufacturing environment.

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 and develops high-voltage, high-power motor-control inverters and DC/DC converters for electric aircraft. Responsibilities include schematic capture, PCB layout, component selection, board bring-up testing, mechanical integration, manufacturing support, troubleshooting, and root-cause analysis. The role focuses on optimizing hardware for reliability, weight, and efficiency while collaborating with cross-functional engineering teams. Requires at least three years of power electronics experience, including 50–200 kW motor inverter design.

Manages global procurement and supplier relationships for aviation manufacturing. Responsibilities include RFQs, contract and price negotiations, category strategies, supplier performance, cost reduction, vendor selection, technical design reviews, and cross-functional delivery planning. The role partners with engineering, quality, manufacturing, finance, and legal teams to ensure cost-effective sourcing, quality compliance, and timely delivery of custom aircraft parts.

Leads supply chain program managers and coordinates cross-functional activities across Engineering, Manufacturing, suppliers, and executive stakeholders. Oversees supply chain readiness, critical-path tracking, risk mitigation, sourcing execution, project requirements, workflows, timelines, and organizational OKRs. Develops executive reporting and drives accountability across global supply chain programs while improving program management processes and supporting manufacturing readiness.

Lead characterization, qualification, reliability, environmental, and electromagnetic-effects testing for high-voltage battery and power electronics in Joby’s aircraft energy storage and distribution systems. Develop test plans, procedures, instrumentation, and HV test setups; execute electrical and thermal testing; analyze failures and test data; support FAA certification; collaborate with design, systems, and certification engineers; and improve automated battery and BMS test systems while maintaining rigorous high-voltage safety practices.

Lead end-to-end mechanical architecture and development of charging and thermal conditioning ground support equipment. Design fluid handling systems, power electronics enclosures, and electromechanical assemblies; create manufacturing documentation in CATIA; manage prototype procurement and vendors; lead validation, testing, and NRTL readiness; support global field deployments; and mentor engineers while collaborating across electrical, controls, compliance, supply chain, and operations teams.

Develop and optimize manufacturing processes for electric motor production from prototype through volume manufacturing. Collaborate with design, quality, test, equipment, and production teams on DFM, process validation, tooling, automation, throughput, ergonomics, and root-cause analysis. Create standard work instructions, mentor production staff, and use data and Lean principles to ensure safe, stable, repeatable, and efficient operations. The role requires shop-floor engagement and travel to China for business, including extended trips of up to 90 days annually.

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.