Hiring: Staff Battery Cell Safety Engineer Company: Rivian Location: Tustin, CA Job Posted Time: 2026-09-10 10:28:30 Employment Type: Full-time Target Skills & Keywords : MATLAB, Python About the job Experience: •5 years of experience in the battery industry, focused specifically on Li-ion cell safety, failure analysis, and abuse testing. Required Skills: •Define and develop comprehensive cell safety specifications and methodologies, including abuse testing requirements (e.g., thermal runaway, hotbox, accelerating rate calorimetry, deformation, nail penetration, overcharge, crush, etc.). •Establish and advocate for internal Rivian cell safety standards that exceed minimum industry and regulatory requirements and support pack-level safety goals. •Collaborate closely with cross-functional safety colleagues and supplier teams to translate higher level safety goals and requirements into actionable cell-level safety specifications. •Coordinate internal technical staff and external third party test resources to oversee and execute cell-level abuse testing programs. •Analyze test data to identify failure modes, determine root causes, and drive design and manufacturing improvements. •Develop and implement methods for Thermal Runaway Propagation characterization and mitigation strategies. •Integrate cell safety requirements into all stages of the cell development cycle, from selection and qualification through to mass production. •Partner with Pack Engineering to ensure cell-level safety inputs are correctly integrated into the battery pack and module design. Qualifications: •Roughly 5 years of experience in the battery industry, focused specifically on Li-ion cell safety, failure analysis, and abuse testing. •Master’s or PhD in Mechanical Engineering, Chemical Engineering, Electrical Engineering, or a related field. •Knowledgeable in high voltage battery packs and the future regulatory landscape for high voltage battery packs. •Familiar with cell abuse testing methodologies and common cell failure modes. •Expert-level knowledge of Li-ion cell design, thermal abuse behavior, and failure progression. •Proven experience in defining safety requirements for automotive or high-energy storage applications. •In-depth knowledge of battery regulatory and safety standards. •Proficiency in data analysis tools and simulation software (e.g., MATLAB, Python). •Excellent written and verbal communication skills, with the ability to present complex technical information to cross-functional teams and senior leadership. •The successful candidate may be eligible for annual performance bonus and equity awards. Compensation: •The successful candidate may be eligible for annual performance bonus and equity awards Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!