Description: * Proven experience operating excavators equipped with hydraulic breakers, especially in underground mining, heavy construction, or confined environments; * Experience in ground preparation, soil excavation, rock excavation, and muck reduction; * Knowledge of hydraulic breaker maintenance, including proper angle, lubrication, and impact duration to prevent equipment damage; * Operate excavators fitted with hydraulic breakers for rock breaking, lowering working faces, soil preparation, and pathway creation in underground environments; * Perform ground preparation tasks (preparing and leveling excavated or dismantled areas), ensuring area stability and safety for other work fronts; * Conduct precise maneuvers while respecting safety limits and equipment integrity; * Carry out daily equipment checklists, including inspection of the breaker, hydraulic hoses, lubrication, and overall machine operation; * Ensure operational safety by strictly following signaling procedures, area isolation, and mandatory use of PPE and safety controls; * Report any mechanical anomalies or operational risks to the maintenance team or immediate supervisor; 2510290202531609375