A professional who tends equipment that cools and transfers wort to starting tank preparatory to fermenting. Respnsibilities include:

• Turns valves to control flow of refrigerant through cooler coils.
• Starts pumps and opens valves to draw hot wort from tank through cooler and into starting tank.
• Monitors pressure gauges, flowmeters, thermometers, and temperature recorders, and turns valves to control rate of flow and temperature of wort passing through cooling machine.
• Observes flowmeter and opens valves to admit specified amounts of air into wort.
• Opens valves to circulate solutions through wort coils to clean and sterilize lines.