Monitors central plant boilers, chillers, and auxiliary equipment using standard software programs (such as Trane SC/ES and Rockwell) under general supervision. Reads and logs gauges, meters, pressure, and temperature indicators to verify normal operating conditions. Makes routine adjustments to baseline environmental and system controls according to established protocols to meet daily facility demands. Performs standard water chemistry testing and adds pre-measured chemical treatments to maintain system compliance. Conducts regular visual inspections of plant machinery, maintains safe working conditions, and reports equipment anomalies or emergencies to the lead technician or supervisor. Assists with the routine operation and basic maintenance of central utility plant machinery, including boilers, chillers, and auxiliary power generation support equipment. Executes scheduled thermal ice storage charging and deployment sequences according to pre-determined off-peak and on-peak operational procedures. Performs routine visual inspections and baseline adjustments to support reliable system operation and energy conservation under general guidance. Documents operational data, meter readings, and plant status in standard logs and computer tracking systems. Prepares and submits routine operational charts and completed preventive maintenance reports to verify compliance with scheduled plant maintenance programs. Knowledge, Skills, and Abilities Skill in using hand tools and power tools of the trade. Knowledge of boiler and/or chiller equipment, operation and maintenance. Knowledge of the refrigeration cycle and how it applies to large (> 1000 ton) centrifugal chillers in pump performance characteristics (temperature, flow and pressure). Knowledge of operating and maintaining high volume steam boilers and steam plant components of integrated heating and cooling plant normal and emergency operations, utilizing a thermal energy storage system.