Battery Systems Engineering Intern

Stealth-mode Battery Startup•San Jose, CA

2d•Onsite

About The Position

We are a stealth-mode battery startup developing cutting-edge battery technology. Our mission is to revolutionize battery technology to accelerate the global transition to clean energy. By leveraging innovative materials, advanced manufacturing techniques, and next-generation energy storage architectures, we are building the future of sustainable energy. About the Role We are seeking a Battery Systems Engineering Intern to support the development and validation of our battery pack systems. This role provides hands-on exposure to real engineering challenges in a startup environment, including test development, system validation, failure analysis, and cross-functional collaboration.

Requirements

Currently pursuing a BS or MS in Electrical Engineering, Mechanical Engineering, Chemical Engineering, or related field
Strong interest in battery systems, energy storage, or electrified systems
Hands-on experience with lab equipment, hardware, or prototyping
Basic understanding of data analysis and experimental methods
Strong problem-solving and communication skills

Nice To Haves

Experience with battery systems, BMS, or power electronics
Familiarity with Python, MATLAB, or similar data analysis tools
Experience with test instrumentation (DAQs, oscilloscopes, power supplies, etc.)
Exposure to systems engineering practices (requirements, FMEA, validation)
Experience working in a lab or hardware development environment

Responsibilities

Help plan, execute, and document engineering tests for battery cells, modules, and pack systems.
Design and build test fixtures and experimental setups for electrical, thermal, and mechanical testing.
Support process trial experiments to improve system performance and quality.
Collect, process, and analyze test data using engineering tools (e.g., Python, MATLAB, Excel, or similar).
Assist in root cause investigations using structured problem-solving methods such as 8D.
Help with BMS integration into test setups, including wiring, communication, and instrumentation.
Assist with system-level engineering activities such as requirements definition, DFMEA, and validation plans.
Work with cross-functional teams (mechanical, electrical, systems, manufacturing, and test engineering) to support development activities.
Document results and present findings to the engineering teams.