Test Engineer

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. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.

We are hiring Test Engineers to build our hardware test capability from the ground up. You will be the owner of our hardware-in-the-loop (HITL) infrastructure, production unit test process, and canary fleet procedures, building and maintaining each as the hardware test pipeline our reliability story is built on.

You will design and build the HITL testbeds, stand up the production unit test process, and own the canary fleet procedures that our hardware reliability story is built on. The test outcomes you produce will feed directly back into the hardware we ship to customers. This is a hands-on, on-site role working alongside the Operations and Product Development teams.

Design, build, and maintain hardware-in-the-loop (HITL) testbeds for Critical Loop's product line, starting with the CLB5100 and expanding to the CLB5020 and beyond

Develop and operate production unit test processes and procedures, ensuring issues are caught before units reach customer sites

Stand up and own canary fleet usage processes, tooling, and operational standards

Author and maintain test procedures, documentation, and standards as the source of truth for how Critical Loop validates hardware

Analyze test data and translate findings into actionable feedback that improves the hardware we ship