Power Electronics Engineer

About Rivian

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.

In this position, you will design and develop the electrical aspects of 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 based out of the Torrance, CA, location and report to the Sr. Manager of Electronic Design.

• The Senior Power Electronics Engineer will be responsible for the development of 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
• Interact with suppliers on the critical components 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 tests and decisions

• Minimum M.S. in Electrical Engineering (Ph.D. preferred), specializing in power electronics
• Minimum 5+ 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
  • Power converters and grid tie control
  • PWM methods
  • Power converter thermal analysis and protection
  • Dual active bridge DC/DC modeling and 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
• Ability to work in a fast‑paced development environment

Salary Range for Southern California Based Applicants: $154,000 - $192,500 (actual compensation will be determined based on experience, location, and other factors permitted by law).

Rivian provides robust medical/Rx, dental, and vision insurance packages for full‑time employees, their spouse or domestic partner, and children up to age 26. Coverage is adequate on the first day of employment, and Rivian covers most of the premiums.

Rivian is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.

Rivian is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search…