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About the Role

As a Test Automation Engineering Intern, you'll work alongside engineers building the next generation of test capability for Redwood Energy. You'll write Python that drives real instruments and battery hardware, help bring up new test stands, and debug failures. This is a great opportunity to apply coursework to production test systems with mentorship.

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 over protocols like SCPI, CAN, and Modbus.
• Help bring up new test stands, from fixtures and wiring through the software that sequences them.
• Investigate failures on equipment, using CAN traces, instrument logs, and bench tools to determine fault source.
• Add regression coverage to CI pipelines for automatic firmware change validation.
• Contribute to documentation and test processes for scaling test systems from prototype to production.
• Own a scoped project end to end and present results to the engineering team.

Requirements

• Currently pursuing a BS or MS in Electrical Engineering, Computer Engineering, Computer Science, Mechatronics, or a related field.
• Working proficiency in Python, including comfort reading and modifying existing codebases.
• Experience writing automated tests with pytest or a comparable framework.
• Experience with Git and a pull-request-based development workflow.
• Solid grasp of circuit basics — voltage, current, resistance, and power.
• Ability to read a schematic, wiring diagram, or datasheet and act on it.
• Hands-on experience working safely around energized equipment — power supplies, loads, or battery hardware.
• Familiarity with CAN, Modbus, SCPI, or other instrument and industrial protocols is a plus.
• Familiarity with the Linux command line is a plus.
• A safety-conscious mindset, strong attention to detail, and eagerness to learn.

Skills

• Python
• pytest
• Git
• SCPI
• CAN
• Modbus
• Linux command line

Location

• California

Work Type

• Full-time

Experience Level

• Intern

Education Level

• BS or MS in Electrical Engineering, Computer Engineering, Computer Science, Mechatronics, or a related field

Salary/Compensations

• $41—$47.50 USD

About the Company

• Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling — keeping critical minerals in circulation and driving the energy transition.
• Founded in 2017, we’re delivering low-cost and large-scale energy storage and producing battery materials in the U.S. for the first time, all from batteries we already have.
• Redwood Energy is building some of the fastest, lowest-cost energy storage in the U.S. from both new battery modules and second-life EV packs.