The role focuses on thermal design and validation of low-voltage electrical hardware at Rivian, ensuring the reliability and performance of electronic control units in demanding vehicle environments. The team is dedicated to developing high-fidelity thermal strategies that integrate silicon-level performance with vehicle-level requirements. Candidates will lead efforts in optimizing thermal stack-ups and PCB-to-chassis heat pathways, aiming for industry-leading efficiency and reliability. This position requires collaboration with multidisciplinary teams to drive product excellence and innovation.

• Master’s degree in Mechanical or Thermal Engineering with 6-8+ years of experience or a PhD with 4-6+ years of relevant industry experience.
• Expert-level proficiency in CFD and thermal analysis tools, including Ansys Icepak, Fluent, Flotherm, and Star-CCM+.
• Experience with chip and IC package-level thermal modeling.
• Proven experience with thermal prototype builds and environmental chamber testing.
• Strong understanding of automotive reliability standards, including AEC-Q stress test qualification.

• Lead thermal strategy and perform numerical simulations to address complex thermal challenges.
• Develop electronic cooling and packaging solutions for next-generation vehicle architectures.
• Establish simulation-to-test correlation methodologies.
• Build physical mockups and manage thermocouple instrumentation for extensive testing.
• Provide detailed design feedback on thermal stack-ups and cooling layouts.

• 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.