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 :

Physical Requirements :

Working Conditions :

Salary range in California : $136,000 - $184,000 USD. Compensation is full-time and based on experience.

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