Test Engineer

The role

You will build the hardware test capability from the ground up. You will own the hardware-in-the-loop infrastructure, production unit test process, and canary fleet procedures.

What you will do

• Design, build, and maintain hardware-in-the-loop (HITL) testbeds
• Develop and operate production unit test processes and procedures
• Stand up and own canary fleet usage processes, tooling, and operational standards
• Author and maintain test procedures, documentation, and standards
• Analyze test data and translate findings into actionable feedback
• Lead root cause analysis on hardware failures and edge cases
• Partner with engineering and field ops to align test infrastructure with deployment realities
• Build the test engineering function from nothing

Required qualifications

• Hands-on experience designing, building, and operating hardware test setups
• Background in power electronics or high-voltage systems
• Demonstrated experience authoring test procedures and operational standards
• Strong root cause analysis skills
• Willingness to engage with the software side of testing, including reading code, writing scripts, and committing to git repositories
• Bachelor's degree in electrical engineering, mechanical engineering, or a related field, or equivalent practical experience
• Comfortable operating as the test engineering function for a product line

Nice to have

• Direct experience with hardware-in-the-loop (HITL) testbeds
• Experience with data acquisition systems, sensors, DAQs, and logging or telemetry forwarding software
• Familiarity with Python, git, and Linux
• Background spanning both R&D and production environments

Benefits

• Equity ownership through stock options
• Comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance
• Retirement savings plan
• Unlimited paid time off

Before you apply

• We are not able to offer visa sponsorship for this role
• Candidates must be authorized to work in the United States without sponsorship now or in the future

About the company

Critical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. They specialize in advanced energy management and battery control systems.