Test Engineer

About the Company

Critical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access.

Responsibilities

• Design, build, and maintain hardware-in-the-loop (HITL) testbeds for the product line
• 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 for hardware improvement
• 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 and create necessary processes and tooling

Requirements

• Hands-on experience designing, building, and operating hardware test setups
• Experience authoring test procedures and operational standards
• Strong root cause analysis skills for complex hardware issues
• Willingness to engage with software testing, including reading code and writing scripts
• Bachelor's degree in electrical engineering, mechanical engineering, or a related field
• Ability to work independently and set own priorities in a startup environment

Preferred Qualifications

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