A professional who tends machine that mixes food ingredients for subsequent processing, canning, or freezing. Respnsibilities include:

• Loads hopper of mixer with premeasured quantities of ingredients by hand, conveyor, bucket hoist, or by opening valves.
• Starts mixer and observes operation to ensure thorough blending.
• Pulls lever to tilt and empty mixer or uses scoop to empty mixture into chute, hopper, or container.
• May weigh out and measure ingredients, using platform scale and measuring containers.
• May observe and control conveyors and filling machines in processing line to ensure continuous operation.