Position Summary This position operates Sand Classification Plants or similar equipment and assists in the daily functions of the mine. Must be knowledgeable in maintenance, repair, and operation of sand plant related systems. Utilizes knowledge of all products to perform Quality Control. Will be required to become DOT certified for sampling and testing products produced by the plant and enter results into AGG.QC database. Employee will most likely be required to work long extended hours, shift work (days, afternoons, or nights), and weekend shifts, as required. This position will also perform a variety of skilled and semi-skilled tasks as directed by the immediate supervisor. Responsibilities Actively promote E.R. Jahna's Core Values of Safety, People, Quality, Delivery and Cost. Responsible for the safe and proper daily operation of the Sand Plant and related equipment. Maintain constant communication. Monitor equipment operation to maximize productivity and ensure quality pr...