Description: * High school diploma; * Administrative working hours; * Availability to reside in Serra do Salitre, Araxá or Patrocínio. * Perform operational activities related to research and development in the Process Laboratory and Pilot Plant, contributing to problem solving and optimization of industrial processes involving mineral processing and industrial fertilizer production. * Collect samples from the Industrial Plant for testing. * Preparation of ore samples. * Handling and preparation of reagents. * Execution of mineral processing tests and assays (classification, grinding, magnetic separation, desliming, flotation, among others). * Operation of mineral processing Pilot Plant equipment. * Execution of laboratory tests and assays for industrial fertilizer production. * Perform other related tasks as determined by the immediate supervisor, provided they are compatible with their competencies and do not involve additional risks to their integrity. 2510180202231756708