As an Electromagnetic Design, Analysis & Characterization Engineer on the Advanced Hardware team at Rivian, you will focus on bridging high-fidelity physics simulation with component development and experimental validation. Your role will involve owning the electromagnetic design and testing of critical materials for electric traction motors and power electronics. You will collaborate with various engineering teams to ensure automotive-grade reliability and efficiency. This position is essential for developing next-generation magnetic components for Rivian's upcoming mass-market R2 platform and future autonomous vehicle architectures.

• MS or PhD in Electrical Engineering, Applied Mathematics, or Physics with a focus on Electromagnetics, Magnetic Materials, Electric Machines, or Analytical Electromechanical Modeling.
• 2-5 years of experience in traction motor/magnetic insulation testing, electromechanical component design, and numerical math modeling.
• Strong mathematical and analytical foundation with experience in deriving and implementing physical equations for electromagnetic fields.
• Proficiency with electromagnetic simulation software such as Ansys Electronics Desktop or JMAG.
• Expert-level scripting skills in Python or MATLAB/Simulink.

• Design and execute laboratory testing pipelines for magnetic materials and electric motor insulation materials.
• Conduct experimental characterization of electrical steel laminations and execute accelerated thermal aging studies.
• Develop and implement advanced analytical and numerical mathematical models for non-linear electromagnetic behavior.
• Perform advanced 2D and 3D electromagnetic finite element analysis using Ansys Maxwell or JMAG.
• Conduct coupled simulations to evaluate electromagnetic performance under severe duty cycles.

• 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.