Supplier Quality Engineer, Energy Storage (San Francisco)

About Redwood Materials

Redwood Materials is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recyclingkeeping 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.

Youre 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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