Battery Test Engineer: Validation & Characterization

Quest Global; Sunnyvale (CA); Hybrid; USD 100,000 - 140,000; Full time

Benefits offered by this job

401(k)

401(k) matching

Dental insurance

Health insurance

Life insurance

Paid time off

Referral program

Vision insurance

Short/Long Term Disability

Job summary

Quest Global is seeking a hands-on Battery Test Engineer to support battery validation and characterization. You will plan, execute, and report laboratory tests on cells, packs, charging systems, and power electronics, working closely with the battery systems lead in a fast-paced hardware lab.

The ideal candidate is meticulous, safety-conscious, and experienced with lab instrumentation and data analysis; a degree in engineering and strong documentation skills are required.

Qualifications

• Degree in Electrical Engineering or related field; hands-on experience welcomed.
• Working knowledge of battery fundamentals: cell chemistry, capacity, resistance, SOC.
• Hands-on experience with lab instrumentation and electrical measurement.
• Comfort interpreting schematics, power trees, and datasheets.
• Strong data-analysis skills (Python, MATLAB, or spreadsheets).
• Detail-oriented, organized, and able to document work clearly.

Responsibilities

• Set up and execute battery characterization tests: charge/discharge cycling, capacity, resistance, load sweeps, temperature behavior.
• Operate lab equipment and maintain calibration and safety standards.
• Perform bench bring-up, functional testing, and characterization of power supplies, regulators, and rails.
• Build and maintain test fixtures and instrumentation for cells, packs, chargers, and rails.
• Capture, process, and analyze test data; summarize findings in reports.

Skills

Lab instrumentation

Data analysis

Python

MATLAB

Schematics reading

Education

Electrical Engineering degree

Tools

Battery cyclers

Oscilloscopes

Thermal chambers

Data acquisition systems

Job description

Quest Global is seeking a hands-on Battery Test Engineer to support battery validation and characterization. You will plan, execute, and report laboratory tests on cells, packs, charging systems, and power electronics, working closely with the battery systems lead in a fast-paced hardware lab.

The ideal candidate is meticulous, safety-conscious, and experienced with lab instrumentation and data analysis; a degree in engineering and strong documentation skills are required.