Supplier Development Engineer

Responsibilities

• Lead technical selection, qualification, and development of suppliers for battery raw materials, cell components, and contract manufacturing partners
• Drive supplier industrialization from initial process assessment through pilot, qualification, and production ramp
• Evaluate supplier manufacturing flows, process capability, capacity, and expansion plans to mitigate risk
• Partner with suppliers to optimize process performance, yield, quality controls, and manufacturability
• Establish and approve quality planning deliverables including APQP/PPAP, control plans, PFMEA, SPC, and MSA
• Support implementation of IQC, IPQC, and OQC systems at supplier sites
• Lead on-site supplier audits focused on technical capability and manufacturing discipline
• Drive failure analysis and corrective action using 8D and root cause analysis methods
• Work cross-functionally with engineering, quality, operations, and supply chain teams

Requirements

• B.S. or higher in Chemical, Materials, Mechanical, or Electrical Engineering
• 5+ years of experience in supplier development or manufacturing engineering within lithium-ion batteries or advanced manufacturing
• Experience conducting supplier audits (ISO 9001, IATF 16949, or AS9100)
• Ability to travel domestically and internationally up to 30–40%

Preferred Qualifications

• Strong understanding of battery cell manufacturing (electrode coating, assembly, formation)
• Working knowledge of PFMEA, control plans, SPC, MSA/GRR, Cpk, and DOE
• Experience in high-volume manufacturing environments
• Familiarity with battery failure analysis and metrology
• Korean language capability

Benefits

• Base salary + RSUs
• Medical, dental, and vision coverage (HMO and PPO)
• Employer-funded Health Reimbursement Account (HRA)
• HSA compatible Medical Plan and FSA options
• Pet Health Insurance
• Traditional and Roth 401(k) plans
• 3 weeks annual vacation accrual, 10 paid holidays, and sick time
• Cell phone reimbursement