Battery Test Engineer – Wearable Tech (Onsite)

BN Associates Inc.

California (MO)

On-site

USD 120,000 - 170,000

Full time

18 hours ago
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Job summary

BN Associates Inc. is seeking a hands-on Battery Test Engineer for our Sunnyvale, CA onsite lab. The role focuses on validating and characterizing battery cells, packs, charging systems, and related power electronics in a fast-paced hardware development setting.

The ideal candidate has 5–12 years of experience, strong data-analysis skills, and is meticulous about safety and documentation. This position supports wearable consumer electronics projects and requires routine lab testing and reporting.

Qualifications

  • Requires degree in Electrical/Mechanical Engineering or related field.
  • Hands-on experience with battery hardware and lab testing.
  • Proficient in data analysis tools.
  • Comfort with reading schematics and datasheets.
  • Strong documentation and reporting.

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; identify anomalies, trends, and failure signatures; 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

Lab instrumentation
Data analysis
Schematic interpretation
Power electronics knowledge
Test automation

Education

Bachelor's or higher in EE/Mech

Tools

Oscilloscopes
Source meters
Battery cyclers
DAQ systems
Thermal chambers

Job description

BN Associates Inc. is seeking a hands-on Battery Test Engineer for our Sunnyvale, CA onsite lab. The role focuses on validating and characterizing battery cells, packs, charging systems, and related power electronics in a fast-paced hardware development setting.

The ideal candidate has 5–12 years of experience, strong data-analysis skills, and is meticulous about safety and documentation. This position supports wearable consumer electronics projects and requires routine lab testing and reporting.

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