Supplier Quality Engineer, Energy Storage

About Redwood Materials Redwood Materials is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling—keeping critical minerals in circulation and driving the energy transition. Founded in 2019, we deliver low-cost, large-scale energy storage and produce battery materials in the U.S. from batteries we already have. Position: Supplier Quality Engineer, Energy Storage Essential Duties: As a Supplier Quality Engineer, you will ensure that components and subassemblies provided by external suppliers meet all functional, mechanical, and reliability requirements. You will play a crucial role in qualifying suppliers, validating new parts, and improving supplier performance during ramp-up and sustained production of a high-voltage, PCBA-based energy product. You’re a doer, excited about getting your hands dirty, working in a dynamic, fast-paced setting, and shaping a new department at Redwood. Responsibilities: Conduct supplier audits (process, system, product) and risk assessments to qualify new sources and ensure readiness for mass production. Lead PPAP/FAI activities and define incoming inspection criteria based on part criticality. Partner with GSMs, Design Engineers, and CMs to align specifications, tolerance stack-ups, and process controls. Manage supplier non-conformances, lead 8D investigations, and verify effectiveness (VOE). Create and maintain supplier scorecards with KPIs such as PPM, delivery performance, and responsiveness. Support NPI builds and DFM feedback loops with early supplier engagement and pilot line walkthroughs. Build a strong network of supplier partners with robust process maturity, reliability, and capacity. Desired Qualifications: B.S. in Mechanical, Electrical, or Industrial Engineering. 4+ years of supplier quality experience in high-voltage, power electronics, automotive, or industrial hardware environments. Deep understanding of PCBA, harnessing, connectors, and mechanical fabrication (CNC, casting, plastics). Familiarity with APQP, PPAP, SPC, DFMEA/PFMEA, and ISO9001/IATF16949 systems. Ability to travel up to 30% to domestic and international supplier locations. Physical Requirements: Ability to perform essential job functions safely and successfully, complying with ADA, FMLA, and other standards, including meeting productivity standards. Maintain regular, punctual attendance. Working Conditions: Office or outdoor environment. Ability to work in challenging conditions with exposure to noise, dust, chemicals, and temperature extremes, while using PPE. Physical activities such as climbing, standing, stooping, or typing. Occasional weekends, nights, or on-call work. Occasional travel. Salary range in California: $136,000 - $184,000 USD. Compensation is full-time and based on experience. We collect personal information in connection with your application. For privacy questions, contact us at privacy@redwoodmaterials.com.

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