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Redwood Materials

Test Automation Engineer Intern - Fall 2026

Redwood Materials
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5 days ago
San Francisco, CA, USAIntern
H1B Sponsor

Base Salary

$41 - $47.5/yr

Responsibilities

  • Write and maintain Python test automation for firmware and hardware validation using pytest and internal test frameworks.
  • Develop drivers and tooling for programmable power supplies, electronic loads, data acquisition, and switching hardware.
  • Help bring up new test stands, including fixtures, wiring, and sequencing software.
  • Investigate equipment failures using CAN traces, instrument logs, and bench tools.
  • Add regression coverage to CI pipelines so firmware changes are validated automatically.
  • Contribute to documentation and processes for moving test systems from prototype to production.
  • Own a scoped project end to end and present the results to the engineering team at the end of the internship.

Requirements

  • 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 an unfamiliar codebase.
  • Experience writing automated tests with pytest or a comparable framework through coursework, projects, or prior internships.
  • Experience with Git and pull-request-based development workflows.
  • Solid understanding of circuit fundamentals, including voltage, current, resistance, and power.
  • Ability to read and act on schematics, wiring diagrams, or datasheets.
  • Hands-on experience safely working around energized equipment such as power supplies, electronic loads, or battery hardware.
  • Familiarity with CAN, Modbus, SCPI, or other instrument and industrial protocols is preferred.
  • Familiarity with the Linux command line is preferred.
  • Safety-conscious mindset, strong attention to detail, and eagerness to learn; prior industry or energy storage experience is not required.

Benefits

  • Full-time internship position.
  • California pay range stated as $41–$47.50.
  • Mentorship from experienced engineers.
  • Opportunity to own a scoped project and present results to the engineering team at the close of the internship.

Tech Stack

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