Battery Test and Validation Engineer II, Safety and Abuse Rivian - 2.7 Tustin, CA Job Details Full-time 1 day ago Qualifications LabVIEW Bachelor's degree in mechanical engineering Thermal analysis Electrical compliance testing Electrical root cause analysis Experimental data reports MATLAB Controller area network (CAN) bus Hypothesis testing Bachelor's degree in electrical engineering Numerical modeling Automation

NFPA 70E

electrical safety protocols Technical documentation Defect analysis Data quality assurance Underwriters Laboratories (UL) standards Mechanical Engineering Continuous improvement (laboratory quality control method) Engineering process optimization Mid-level Technical report writing Electrical safety procedures Electronics test data analysis Bachelor's degree in engineering Inferential statistics Master's degree in mechanical engineering Industry trends Statistical modeling Electrical statistical analysis Full Job Description As a Battery Test and Validation Engineer II (Safety and Abuse) within Rivian's Battery Test and Validation team, you will focus on ensuring our high-voltage battery systems meet strict safety, reliability, and regulatory standards. In this role, you will help establish and validate the boundaries of our technology, collaborating across engineering teams to execute, analyze, and continuously optimize advanced abuse test methodologies. You will own the execution of critical test streams that evaluate battery packs, modules, and sub-systems under abuse conditions. From short circuits and thermal runaway events to regulatory and material testing, you will play a hands-on role in root-cause investigations and safety countermeasure development, helping turn complex test data into clear learnings that keep our vehicles safe Plan, execute, and analyze safety and abuse tests on battery modules, packs, and components, ensuring test plan alignment with the domain owner's objectives Develop and refine test plans, procedures, and acceptance criteria in alignment with regulatory standards (e.g., UN38.3, FMVSS, IEC, UL) and Rivian's internal safety requirements Analyze test data, generate detailed technical reports, and conduct post-test reviews with cross-functional teams Implement opportunities for continuous improvement in test methodologies, documentation, and data quality Stay current with industry trends, regulatory changes, and emerging best practices in battery safety and abuse testing. Bachelor's or Master's degree in Mechanical or Electrical Engineering preferred; related field acceptable with relevant experience 2+ years of related experience Strong first principles understanding of underlying physics and governing equations in heat transfer and electrical domains Hands-on experience with battery test equipment (test cyclers, isolation meters, high-speed

DAQ, CAN

tools, thermal chambers, etc.) and data analysis software Excellent written and verbal communication skills Strong organizational skills, attention to detail, and learning agility Ability to work independently and collaboratively in a fast-paced, dynamic environment. Willingness to work flexible hours and travel as needed (up to 30% domestic and international travel may be required) Preferred Qualifications Experience with battery pack design, BMS, and integration in electric vehicles. Experience with thermal runaway propagation testing and mitigation strategies Familiarity with advanced data analysis, scripting, or automation tools (e.g., Python, MATLAB, LabView, JMP). Certification or advanced training in electrical safety (e.g., NFPA 70E, OSHA, or equivalent). Experience using statistical tools such as hypothesis testing, calculating sample sizes, and developing predictive numerical models