A professional who controls equipment to cook liquid sugar to produce caramel coloring or molasses. Respnsibilities include:

• Turns valves to fill vessels with liquid sugar and adds specified amounts of salts or caustic solution.
• Observes thermometers and gauges and turns valves to regulate steam pressure and cooking temperature in vessels.
• Draws samples of material and performs standard tests to ascertain acid content and specific gravity, and to verify color, using pH meter, hydrometer, and colorimeter.
• Records test results.
• Turns valves or starts pumps to transfer material to evaporator feed tanks, filter supply tanks, or to storage or tank cars.
• May tend filters to remove undesirable solids from caramel coloring.