Rivian and Volkswagen Group Technologies Verified
Automotive, Electric Vehicles, Manufacturing, Software
Battery Cell Test Engineer II
Tustin, California, United StatesOnsiteFull TimePosted 2 months agoVisa sponsorship available
Role summary
The Battery Cell Test Engineer II will execute various tests (electrical, mechanical, electrochemical) on lithium-ion battery cells. This role involves defining SOPs, writing test scripts for automation, and collaborating with data engineers for data processing and database maintenance. The engineer will analyze and present test results, contribute to automating the testing process, and develop lab KPIs. Responsibilities also include designing test fixtures, integrating external systems, and maintaining lab equipment. A Master's degree in engineering with experience in lithium-ion battery testing and proficiency in Python and SQL are required.
- Execute lithium-ion battery cell tests including electrical, mechanical, and electrochemical testing.
- Define SOP, prioritize tests, track and communicate test status to different groups of cell engineers and scientists.
- Write test scripts and set up program to run tests automatically with different cyclers and chambers.
- Collaborate with data engineers to process data, maintain cell testing database and develop automated data post-processing and report generation scripts.
- Analyze and present test results to cell engineers and scientists and support cross functional teams with test report if needed.
- Contribute to automating the entire testing process from test requests to delivery of test results report.
- Work closely with test engineers and technicians to plan and execute long/medium/short-term priorities.
- Develop and implement lab KPIs, using scripts, to analyze lab operation and improve productivity.
- Design test fixture to improve testing capability and accuracy and extract representative and meaningful data.
- Collaborate with equipment vendors to source and integrate external systems to Rivian cell testing lab.
- Maintain lab space and equipment, perform equipment calibration and troubleshooting as needed.
- Must have:
- MS degree in an engineering discipline with experience in testing of lithium-ion battery cells/packs.
- Good understanding of cell performances metrics and how to evaluate them with testing and other analysis.
- Good understanding of electrochemical processes in various lithium-ion chemistries.
- Experience in python and SQL database, capable to write scripts.
- Excellent attention to detail and critical thinking.
- Problem solving skills, outside of the box thinking and proactivity.
- Desire to work in fast-paced environment and willing to make an extra effort to get the job done.
- Passionate about research/work in lithium-ion batteries, especially for EV application.
- Excellent communication and presentation skills.
- Nice to have:
- Familiar with CAN, module/pack testing.
- Familiar with cell teardown, CT scan and other lithium-ion battery analysis methodologies and tools.
