# Engineer II, Battery Test

**Company:** [Shield AI](https://hotfix.jobs/companies/shield-ai)
**Location:** San Diego, CA, Seattle, WA
**Role:** Hardware Engineering
**Salary:** $96k – $170k/yr
**Skills:** Battery Testing, Battery Systems, Electrochemical Systems, Thermal Chambers, Battery Cyclers, Instrumentation, Data Acquisition, Electrical Schematics, Oscilloscopes, Multimeters, Power Supplies, Electronic Loads, Electrical Troubleshooting, Mechanical Troubleshooting, High-Voltage Safety
**Posted:** 2026-09-09

> Conducts setup, operation, troubleshooting, and data analysis for battery energy-storage test systems supporting aircraft development. Requires a technical bachelor's degree, hands-on battery or electrochemical experience, and hardware-testing skills with instrumentation and data acquisition.

## Job Description

## Responsibilities
- Set up and operate battery energy storage systems for testing.
- Configure thermal chambers, battery cyclers, instrumentation, sensors, fixtures, harnesses, and data-acquisition equipment.
- Execute test campaigns for electrochemical subsystems, verifying voltage rails, logic levels, performance, thermal behavior, and overall functionality.
- Perform testing, debugging, and system-level troubleshooting.
- Collect and evaluate test data, identify abnormal behavior, and communicate findings.
- Support external test-lab qualification testing, including failure modes, temperature, vibration, humidity, and altitude testing.
- Install, verify, and deploy DC sources, power converters, test fixtures, and harnesses.
- Assist with the design and buildout of battery test laboratories.

## Requirements
- Bachelor's degree or higher in chemical engineering, electrical engineering, mechanical engineering, or a related technical discipline.
- Hands-on experience with batteries, powertrain systems, or comparable electrochemical equipment through employment, internships, academic teams, clubs, or personal projects.
- Experience setting up and executing hardware tests using instrumentation, sensors, and data-acquisition equipment.
- Experience troubleshooting systems involving electrical and mechanical components.
- Familiarity with benchtop electrical equipment, including multimeters, oscilloscopes, power supplies, and electronic loads.
- Ability to read and interpret electrical schematics, wiring diagrams, mechanical drawings, and test procedures.
- Understanding of laboratory safety practices, including the safe operation of high-voltage or high-power equipment.
- Demonstrated ownership, reliable execution, clear documentation, and effective collaboration with engineers, technicians, and cross-functional partners.

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