The Refrigeration Control Engineer (RCE) position at Columbia University is a critical role within the facilities department, responsible for ensuring the effective operation and maintenance of the District Energy System (DES) and associated systems on the Manhattanville Campus. The RCE will perform routine and emergency operations, troubleshoot and repair equipment, and maintain compliance with safety and environmental regulations. This position requires a high level of technical expertise and the ability to work independently or with minimal supervision.