Supplier Development Engineer, Motors & Magnets

Supplier Development Engineer, Motors & Magnets | Supply Chain
Location: Hayward, CA (on-site)

About 1X
We’re an AI and robotics company based in Palo Alto, California, on a mission to build a truly abundant society through general-purpose robots capable of performing any kind of work autonomously.
We believe that to truly understand the world and grow in intelligence, humanoid robots must live and learn alongside us. That’s why we’re focused on developing friendly home robots designed to integrate seamlessly into everyday life.
We’re looking for curious, driven, and passionate people who want to help shape the future of robotics and AI. If this mission excites you, we’d be thrilled to hear from you and explore how you might contribute to our journey.

Role Overview
We are seeking a Supplier Development Engineer to drive supplier readiness and quality for motor and magnetic systems used in our advanced humanoid robots. You will work across engineering and sourcing teams to ensure critical actuation components meet the highest standards for performance, reliability, and scalability.

Responsibilities

• Partner with engineering and sourcing teams to select suppliers based on capabilities in motor and magnetic component manufacturing

• Evaluate suppliers’ motor winding, rotor/stator assembly, and magnet bonding processes

• Ensure consistency in torque-speed characteristics, thermal performance, and EMI compliance

• Support rotor balancing, bearing preload setups, and encoder integration

• Lead the supplier industrialization process from design through production ramp-up

• Support suppliers with tooling, equipment, and process qualifications

• Assess supplier readiness for vehicle builds and manage production risk

• Drive the APQP process and support PPAP through the start of production

• Train suppliers on 1X’s quality systems and review part quality documentation

• Lead root cause and corrective action efforts for supplier quality issues

• Monitor and report supplier quality metrics to ensure ongoing improvement

• Apply lean and quality tools to drive continuous improvement across the supply base

• Travel up to 40%, domestically and internationally, sometimes on short notice