Under minimum supervision the chilled water plant supervisor is responsible for the reliable, safe, and efficient operation and maintenance of all plant equipment and systems such as chillers, cooling towers, pumps, instrumentation, air compressors, thermal energy storage tank, control systems, chemical treatment systems, and specialized equipment as well as programmatic equipment in the other EU plants. The Facilities & Operations (F&O) Directorate’s mission is to support the science and technology and environmental restoration missions of the Laboratory by providing a safe, environmentally sound, and reliable infrastructure, to provide high quality crafts and fabrication services to our customers as needed and to protect people, property, and national security.