About the job
About 1X
1X develops humanoid robots designed to work alongside people, helping address labor shortages and support economic growth.
Role Overview
The Supplier Development Engineer - Structural Die Casting will strengthen 1X’s supply chain by ensuring suppliers deliver high-quality precision structural components for advanced bipedal humanoids. This role is based on-site in San Carlos, CA. The engineer will play a key part in both launching new products and supporting ongoing production.
What You Will Do
- Work with engineering and sourcing teams to identify and select suppliers skilled in die casting, machining, and structural assembly.
- Source and assess vendors for castings, extrusions, machined parts, and sheet metal components.
- Validate supplier processes for surface treatments, welding, heat treatments, and coatings.
- Review GD&T on complex structural parts and verify accuracy with metrology tools.
- Support lightweighting and design optimization projects.
- Oversee supplier industrialization from early design through production ramp-up.
- Help suppliers qualify tooling, equipment, and processes.
- Assess supplier readiness for vehicle production and manage related risks.
- Facilitate APQP and support PPAP at production launch.
- Educate suppliers on 1X’s quality management systems and review part quality documentation.
- Lead root cause analysis and corrective actions for supplier quality issues.
- Track and report supplier quality metrics, driving ongoing improvement.
- Apply lean and quality tools to improve supply chain performance.
- Travel up to 40% domestically and internationally, often with short notice.

