The Staff Power Electronics Engineer at Rivian will design and develop electrical circuits and power converters for off-board charging products, including DC fast chargers and energy products. This role is based in Torrance, CA, and reports to the Sr. Manager of Power Electronics. The engineer will work within a diverse team that values innovation and a passion for the outdoors. The main focus will be on leading the development of high-power electrical circuits and ensuring their performance and reliability.

• Minimum M.S. in Electrical Engineering plus 5+ years of relevant industry experience, or Ph.D. with 3+ years of industry experience, specializing in power electronics.
• Familiarity with common 1/3-phase topologies such as AC-DC PFC Rectifier and Isolated DC-DC converters.
• Expertise in high-power EV charger or energy storage, stationary-related power converters is preferred.
• Solid understanding of power semiconductor switches and diodes, and their characteristics.
• Strong experience designing and optimizing power converter circuits including gate drivers.
• Familiarity with digital control of power electronic circuits such as power stage average/small-signal modeling, closed-loop control, and PWM modulations.
• Experience with bidirectional AC/DC or DC/DC power conversion.
• Experience using software tools such as Spice, PLECS, Ansys, and MATLAB.
• Experience of magnetic design and circuit parasitic analysis using FEA simulation tools such as Ansys Maxwell/Q3D or equivalent is strongly preferred.
• PCB layout experience using Altium Designer.
• Exposure to EMC requirements and safety certification.

• Lead the development of high-power electrical circuits, such as Active Power-Factor-Correction AC-DC Rectifiers and Isolated DC-DC Converters.
• Perform stress analysis, component selection, magnetic design, schematic creation, circuit design, and PCBA layout.
• Conduct trade studies for key decisions such as circuit topology, power device, and magnetics.
• Simulate power converters and basic converter control algorithms using MATLAB/Simulink, PLECS, LTSpice, and other tools.
• Analyze structures and magnetic components such as bus bars and high-frequency transformers/inductors.
• Design EMI/EMC filters.
• Interact with suppliers on critical components.
• Test prototype power electronics circuits in the lab.
• Characterize power semiconductor devices, including Silicon, SiC, and GaN.
• Engage with multiple cross-functional teams, including Mechanical, Software and Controls, Systems, Test, Quality, Reliability, and Manufacturing.

• Employees at Rivian are often offered comprehensive health, dental, and vision insurance, a 401(k) with company match, ESPP and potential RSU grants, performance bonuses, and generous time off including paid parental and sick leave. Perks can include 24/7 mental-health coaching and therapy, Hinge Health for Anthem enrollees, tuition assistance and professional development, plus on-site food and a wide range of employee discounts on items like computers, mobile phones, home loans, and pet care.