Join Rivian as a Sr. Battery Engineer within the ESS Product Excellence team in Tustin, CA. This role focuses on sustaining engineering for high-voltage battery systems already in production, emphasizing field performance analysis and reliability. The engineer will act as a technical expert, bridging communication between various teams to address battery issues. A passion for diagnosing complex issues and shaping future product designs is essential.

• 3+ years of experience in Battery, Automotive, Aerospace, or related industries with exposure to HV battery systems.
• A bachelor's degree in an engineering discipline such as Electrical, Mechanical, Mechatronics, or Automotive.
• Previous experience with product launches, production schedules, and release engineering.
• Mechanical engineering experience is required, with electronics or controls experience being a plus.
• Strong understanding of HV battery system architecture and field issue root cause analysis.

• Drive sustaining engineering for in-production HV battery systems.
• Serve as a technical expert for HV battery packs in series production.
• Act as a key liaison between various teams to drive durable solutions to battery issues.
• Analyze field, warranty, and ongoing reliability test data to detect trends and characterize failure modes.
• Lead root cause investigations for HV battery-related field and service issues.
• Partner with Service Engineering to define and validate diagnostic strategies and service procedures.
• Provide lessons learned and DFM feedback for current and future battery programs.
• Collaborate with Manufacturing Engineering to improve build robustness and remanufacturing flows.
• Partner with new product design teams to inform requirements and test strategies for upcoming battery platforms.
• Create and maintain system-level documentation connecting observed issues back to design and process controls.

• 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.