The successful candidate will ensure safe and efficient operation of various processing circuits/equipment including but not limited to: grinding circuits (wet/dry), crushing circuits ( jaw/gyro/cone), carbon-in-leach, resin-in-leach, elution (carbon/resin), autoclaves, roasters, thickeners, boilers, water treatment systems, off gas/gas handling, reagent handling, electrowinning, retort/induction furnaces, solution balance, sample collection, data recording, retrieval of sample data, proper handling of potentially hazardous chemicals, monitoring/controlling water and slurry flows, reagent addition, checking conveyors, pumps, valves, piping and other equipment, making calculations and adjustments as needed to maintain operating parameters within limits. Operate the following: Electrowinning cells, Mercury retort furnaces, Smelting furnaces, Carbon filters, Zinc precipitation circuit, Slag handling circuit.