Description: * Pursuing a technical or higher education degree in chemistry and/or mining. Perform, under supervision, grinding and flotation tests at bench and pilot scale in the Process Laboratory; Perform geometallurgical tests included in production plans; Perform tests for developing new reagents; Perform screening, moisture, density, and sedimentation tests; Carry out sampling for mass and water balance closure; Carry out sampling for verification and calibration of measurement equipment (densimeters, online analyzers, flow meters, etc.); Perform sample preparation (disaggregation, quartering, filtration, etc.); Practice 5S (cleanliness in the area and equipment). 2510230202201046739