Power Electronics Engineer, Energy Storage

The role

The Power Electronics Engineer designs and develops power conversion systems for next-generation Battery Energy Storage Systems. This includes converters for battery packs, photovoltaic systems, and the grid for utility-scale and data center applications.

What you will do

• Design high-voltage and high-power converters for utility-scale BESS and industrial infrastructure.
• Conduct topology comparison and trade-off analyses.
• Perform power-stage component sizing and Si/SiC MOSFET selection.
• Design gate driver circuits and dedicated gate driver power supplies.
• Lead design, modeling, and specification of custom magnetic components.
• Architect the low-voltage subsystem including auxiliary power supplies and sensing circuitry.
• Design and optimize EMI filters.
• Drive high-voltage, high-power PCB/PCBA layout design.
• Collaborate with cross-functional teams to define requirements and achieve certifications.

Required qualifications

• MS or PhD in Electrical Engineering, with a focus on power electronics.
• 1-2 years of experience in electrical engineering, with a strong focus on power conversion or energy storage products.
• Hands-on experience in high-voltage (up to 1.5kVdc and 800Vac) hardware design.
• Experience with power semiconductor selection, gate drive design, and hardware protection circuits.
• Deep understanding of power electronics topologies and fundamentals (AC/DC, DC/DC).
• Proficiency with circuit simulation, FEA simulation, and CAD tools (e.g., Simulink, LTspice, Ansys Maxwell/Q3D, Altium Designer).
• Demonstrated ability to perform detailed layout of high-power, noise-sensitive PCBs in Altium or equivalent CAD software.
• Proficiency with lab equipment, including oscilloscopes, impedance analyzers, network analyzers, and signal generators.
• Excellent written and verbal communication skills.
• Foundational knowledge of control theory and embedded systems.
• Strong analytical and systematic problem-solving skills.
• Proficiency with rapid prototyping and hardware iterations.

Nice to have

• Experience in high voltage (up to 25kVdc, 34.5kVac) for SST

About the company

Redwood Materials is the largest lithium-ion battery recycler in North America. The company recovers, refines, and redeploys critical minerals from end-of-life batteries into the supply chain.