Support soil and rock laboratory activities, prepare materials and specific equipment for geotechnical tests. Prepare solutions and calibrate measurement equipment for the analysis of soil, rock, and other related material samples. Organize and conduct tests according to technical standards and safety, occupational health, and environmental protection regulations. Prepare machines and equipment for use; Clean the work environment; Dispose of waste; Keep the workplace organized by arranging accessories and equipment in an orderly manner; Enter data into technical sheets and control spreadsheets; Organize technical files and assist in document control. Job type: Permanent CLT Pay: R$1\.518,00 \- R$2\.000,00 per month Benefits: * Medical insurance * Dental insurance * Life insurance * Meal allowance * Transportation allowance