Battery Test Engineer || Cupertino, CA (Onsite Role)

Job Description:

EE background, able to answer questions around circuits, must have bench testing, and strong python exp

Key Qualifications:

Experience in Battery Management System (BMS) firmware, mix of QA & Development Strong Programming skills (preferably in Python) for test automation Experienced in various test tools like battery testers, source meter, multi meter, etc. Excellent debugging skills to tackle challenging problems Strong analytical/problem solving skills to support proposed solutions Ability to articulate design issues and path to resolution both verbally and with documentation Proven ability to work independently under high pressure and comfortable working in a dynamic environment Knowledge of Li-Ion chemistries and cell modeling is a plus. Prior industrial experience in hardware/firmware verification and validation is preferred.

Responsibilities:

Work with other technicians and test engineers to execute electrical and battery cycler tests and provide accurate result report. Generate KPI for day to day lab activities. Review BMU schematics and layout to verify conformance and to determine testability. Conduct investigations and prepares reports to support investigations. Co-develop procedures and analyzes data for validation activities. Run complex test setups and DOEs using high accuracy test equipment. Troubleshoot equipment and sample issues, maintain and solve test equipment problems as needed. Ensure that the test data collected meets the highest standard of quality. Use various types of measurement equipment to test batteries and cells.

Education:

M.Sc. in Electrical Engineering or Computer science (or B.Sc. with industrial experience) Additional Information about the team: Role Overview Focus on battery software qualification, specifically validation for battery algorithms. Work involves pack-level testing to collect accurate data for algorithm validation since hardware isolation isn t possible. The position is critical for ensuring high-quality data and supporting algorithm evaluation. ________________________________________

Key Expectations Communication & Collaboration:

The team operates under strict timelines.

It s essential to:

o Ask questions and clarify assumptions early. o Avoid making assumptions that lead to issues later and waste time. Attention to

Detail:

This is a quality control team-accuracy is non-negotiable.

Candidates must:

o Verify data rigorously. o Avoid thinking things are fine without validation. ________________________________________

Core Requirements Electrical Engineering Background:

o Experience with circuits o Ability to use power electronics testing equipment. o Troubleshoot independently if tests fail. Basic Coding Skills (Python): o Correct code, plot data, and identify anomalies. o Automate execution steps using Python.

Soft Skills:

o Strong communication and collaboration. o High attention to detail and commitment to quality. ________________________________________ Must-Have Electrical circuit experience. Python programming skills. ________________________________________ Value of the Role Exposure to hardware, software, and firmware. Opportunity to learn root cause analysis and integration across systems. Broad technical knowledge and hands-on experience with multiple domains.