Supplier Quality Engineer, Energy Storage

About Redwood Materials

Redwood 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’re delivering low-cost and large-scale energy storage and producing battery materials in the U.S. for the first time, all from batteries we already have.

Supplier Quality Engineer, Energy Storage

Essential Duties: 

As a Supplier Quality Engineer, you will ensure that the 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 and sustaining production of a high-voltage, PCBA-based energy product.

You’re a doer, excited about getting your hands dirty and working in a dynamic, fast-paced setting, and want to shape a new department at Redwood.   

Responsibilities Will Include: 

• Conduct supplier audits (process, system, product) and risk assessments to qualify new sources and ensure readiness for mass productio
• 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 follow through to verification of effectiveness (VOE)
• Create and maintain supplier scorecards with clear 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 supplier locations (domestic and international)

Physical Requirements:  

• Ability to perform the essential job functions consistent safely and successfully with the ADA, FMLA and other federal, state and local standards, including meeting qualitative and/or quantitative productivity standards. 
• Ability to maintain regular, punctual attendance consistent with the ADA, FMLA and other federal, state, and local standards 

Working Conditions:

• Environment, such as office or outdoors.
• Ability to work in challenging working conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE, for extended periods of time.  
• Essential physical requirements, such as climbing, standing, stooping, or typing.  
• Occasional work weekends, nights, or be on-call as a regular part of the job.  
• Occasional travel requirements. 

In accordance with California pay transparency laws, the salary range for this position is listed below. Actual compensation may vary based on a variety of factors, including experience, education, and skills. 

California Pay Range:$136,000—$184,000 USD

The position is full-time. Compensation will be commensurate wi