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Power Electronics Engineer, Energy Storage

Redwood Materials - San Francisco, California, United States

Posted Dec 16, 2025

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About this role

Power Electronics Engineer, Energy Storage San Francisco, California, United States 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 2017, 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. Power Electronics Engineer, Energy Storage You will be an early member of a product design team, responsible for the detailed power electronics design, prototype, and launch into high-volume production of an efficient, cost effective, highly manufacturable, and technologically leading-edge power converter. Familiar with high voltage (up to ~1,000 - 2,000VDC and 480VAC) and high power (~10 - 200kW) power converters, you can quantitatively compare and select topologies, control algorithms, semiconductors, and magnetics while respecting engineering constraints (efficiency, cost, reliability, simplicity, etc). You understand both hard- and soft-switched topologies. Responsibilities include: You can create highly accurate time-domain control and thermal models of your circuits to inform software and mechanical development, and while your core specialty is high-power circuitry design, you have a working understanding of microprocessor selection, electrical insulation, and thermal interface. Knowing how important circuit board layout is in high-power conversion, you're willing to jump in and do the most critical parts of the powertrain layout yourself. The ideal candidate is highly self-driven, adaptable to a startup environment, and eager to take on technical challenges. You're a doer, excited about working in a dynamic,

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