Sr. Power Electronics Engineer

About the role

Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what’s possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations.

Role Summary

In this position, you will design and develop the electrical aspect of the on-board power electronic products for Rivian Automotive, including on-board charger, DC-DC converter, DC-AC inverter product and et al. This position will be located out of Torrance, CA, and report to the Sr. Manager of Electronic Design.

Responsibilities

• Design high-power electrical circuits, such as active rectifiers, inverters, and DCDC converters
• Perform topology selection trade studies
• Design circuits, select components, create schematics, and support the layout of circuit boards
• Analyze and simulate circuits and key components
• Simulate circuits using Matlab, PLECS, and other tools
• Analyze structures and magnetic components such as bus bars and high-frequency transformers/inductors
• EMI/EMC filter design
• Test prototype power electronics circuits in the lab
• Characterize power semiconductor devices, including Silicon, SiC, and GaN
• Support software engineers who develop algorithms and application code for embedded controllers
• Engage with Mechanical, Systems, Test, Quality, Manufacturing, and Reliability Engineers
• Cooperate with other team members for critical technical test and decisions.

Qualifications

• Minimum M.S. in Electrical Engineering (Ph.D. preferred), specializing in power electronics
• Minimum 3 years’ experience developing high-power electronics
• Deep understanding of power semiconductor switches and diodes, and their characteristics
• Understanding of devices built upon various materials such as silicon, SiC, and GaN
• Strong experience designing and analyzing inverter and converter circuits, including gate drivers
• Knowledge and experience with embedded control of power electronic circuits
• PWM methods
• Power converter and grid tie control
• Experience with bidirectional power conversion
• Experience in EMI/EMC filter design for power electronics products
• Skilled in working in a lab environment with high voltage and current
• Experience using software tools such as Spice, PLECS, Mathcad, Ansys Simplorer, and Matlab
• Experience using FEA simulation tools such as Ansys Maxwell/Q3D or equivalent