About the role#
As a Test Automation Engineer Intern, you will work with the engineering team to build systems that validate battery modules and EV packs. You will write code that drives real battery hardware, assist in the development of new test stands, and debug failures across test code, firmware, and physical units. You will own a scoped project from start to finish and present your results to the team at the end of the term.
What you'll do#
- Write and maintain Python test automation for firmware and hardware validation using pytest and internal frameworks.
- Develop drivers and tooling for programmable power supplies, electronic loads, data acquisition, and switching hardware using protocols such as SCPI, CAN, and Modbus.
- Assist in the bring-up of new test stands, ranging from physical fixtures and wiring to the software sequences.
- Investigate hardware and software failures by analyzing CAN traces, instrument logs, and bench tool data.
- Add regression coverage to CI pipelines to automate firmware validation.
What you'll need#
- Currently pursuing a BS or MS in Electrical Engineering, Computer Engineering, Computer Science, Mechatronics, or a related field.
- Working proficiency in Python, including the ability to read and modify existing codebases.
- Experience writing automated tests using pytest or a comparable framework.
- A solid understanding of circuit fundamentals, including voltage, current, resistance, and power.
- Ability to read and interpret schematics, wiring diagrams, and datasheets.
- Experience with Git and pull-request-based development workflows.
- Hands-on experience working safely with energized equipment like power supplies or battery hardware.
Location & details#
- Location: San Francisco, California
- Term: Fall 2026
- Modality: On-site
- Status: Full-time, paid
- Compensation: $41, $47.50 USD per hour
About Redwood Materials
Redwood Materials produces battery materials including lithium, nickel, cobalt, and copper. Founded in 2017, the company operates within the renewable energy equipment manufacturing sector. It builds a domestic stockpile of critical materials and manufactures components for advanced batteries. The company is based in Carson City, Nevada, and employs between 1,001 and 5,000 people.
How to get in at Redwood Materials
Securing an internship at Redwood Materials requires staying ahead of the high volume of interest in the renewable energy sector. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you apply among the first. Early applicants often get their materials reviewed before the pile grows too large for recruiters to manage. You can use this timing to your advantage by ensuring your application is complete and ready to submit the moment a new opening appears. Beyond timing, connecting with the right people helps move your application forward. Intern Insider surfaces the recruiters behind the company's roles so you can reach out directly to ask about the role or a referral. This direct approach materially improves response rates compared to submitting through a general portal.
