Job Summary: Operates rock drilling and cutting equipment, transports test specimens and waste, signals and isolates hazardous areas, inspects equipment conditions, and prepares the worksite. Key Responsibilities: 1. Operate rock drilling and concrete slab cutting equipment 2. Transport test specimens and drilling waste 3. Signal and isolate the work area and fall hazard zones **Operate rock drilling and concrete slab cutting equipment; transport test specimens and drilling waste; signal and isolate the work area and fall hazard zones caused by drilling waste. Inspect operational conditions of equipment and prepare the worksite according to actual site conditions.** Employment Type: Full-time Compensation: R$2.000,00 \- R$2.600,00 per month Benefits: * Life insurance * Meal allowance * Transportation allowance Experience: * Operation of drilling rig machinery (Mandatory) Work Location: On-site