Senior Battery Test Engineer - Characterization & Validation

INA Solution Inc; Sunnyvale (CA); On-site; USD 120,000 - 155,000; Full time

Job summary

INA Solution Inc. in Sunnyvale, CA is seeking a hands-on Battery Test Engineer to support validation and characterization of cells, packs, charging systems, and power electronics. You will plan, execute, and report lab tests in a fast-paced hardware development lab.

The role requires 5–12 years of relevant experience, a degree in EE/ME, and strong data-analysis skills (Python/MATLAB). You will operate lab instrumentation, build test fixtures, and document results with clear reports.

Qualifications

• Bachelor's degree or equivalent hands-on experience in EE/ME.
• Experience with lab instrumentation and electrical measurement.
• Strong data-analysis skills (Python, MATLAB, or spreadsheets).
• Detail-oriented and well-documented work.

Responsibilities

• Set up and execute battery characterization tests: charge/discharge cycling, capacity, internal resistance, load sweeps, and temperature-dependent behavior.
• Operate lab instrumentation and maintain calibration and safety standards.
• Perform bench bring-up, functional testing, and characterization of power supply circuits, regulators, and power rails.
• Build and maintain test fixtures, harnesses, and instrumentation for cells, packs, chargers, and power rails.
• Capture, process, and analyze test data; summarize findings in clear reports.
• Support charging-system, fuel-gauge, and battery-management validation, including brownout, peak-power, and protection behavior.
• Assist in root-cause investigations and characterization of power/battery issues discovered during bring-up and validation.
• Document test plans, procedures, and results; keep organized records of raw data and derived metrics.
• Follow all battery-handling, storage, and lab-safety protocols.

Skills

Data analysis

Lab instrumentation

Test planning

Documentation

Education

Electrical/Mechanical Engineering

Tools

Source meters

Oscilloscopes

Battery cyclers

DAQ systems

Job description

INA Solution Inc. in Sunnyvale, CA is seeking a hands-on Battery Test Engineer to support validation and characterization of cells, packs, charging systems, and power electronics. You will plan, execute, and report lab tests in a fast-paced hardware development lab.

The role requires 5–12 years of relevant experience, a degree in EE/ME, and strong data-analysis skills (Python/MATLAB). You will operate lab instrumentation, build test fixtures, and document results with clear reports.