Supplier Development Engineer, Structures- DIe Casting | Supply Chain

Location: San Carlos, CA (on-site)

About 1X

We build humanoid robots that work alongside people to solve labor shortages and create abundance.

Role Overview

We are seeking a Supplier Development Engineer to help scale our supply chain to support the delivery of world-class robotics systems. You will be responsible for ensuring suppliers can produce precision structural components that meet our rigorous quality standards. Your work will play a vital role in the launch and sustained production of highly complex bipedal humanoids.

You Will

• Partner with engineering and sourcing teams to select suppliers based on capabilities in castings, machining, and structural assembly

• Source and qualify vendors for castings, extrusions, machined parts, and sheet metal

• Validate surface treatments, welding, heat treatments, and coating processes

• Review GD&T on complex structural components and verify with metrology tools

• Collaborate on lightweighting initiatives and design optimizations

• 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

• Bachelor’s degree in Mechanical, Industrial, or a related engineering field

• 6+ years of experience in quality, supplier quality, or manufacturing—ideally in automotive, aerospace, or medical devices

• Hands-on experience launching new products and improving quality systems

• Skilled in problem-solving methods like Six Sigma, 8D, and root cause analysis

• Proficiency with quality tools such as FMEAs, control plans, SPC, MSA, and capability studies

• Understanding of manufacturing processes related to electronics, batteries, and precision sensors

• Strong experience with supplier audits, APQP, PPAP, and production ramp-ups

• Ability to read engineering drawings and use GD&T; knowledge of ISO 9000 and IATF 16949 quality systems

• Certifications like CQE, Six Sigma Green Belt, or Quality Auditor are a plus

• Experience with tooling and fixture validation is a plus

• Proficiency in Microsoft Office; Google Workspace experience is a plus

Benefits & Compensation

• Salary Range: $133,000 – $195,000

• Health, dental, and vision insurance

• 401(k) with company match

• Paid time off and holidays

Equal Opportunity Employer

1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, or any other characteristic protected under applicable federal, state, or local law.