**Execution of Mechanical Maintenance:** * Perform preventive and corrective maintenance on heavy equipment. **Mechanical Inspection of Equipment:** * Inspect construction site equipment, identifying problems. * Report failures to the immediate supervisor and make possible adjustments directly on site. **Verification and Adjustment of Mechanical Systems:** * Check and adjust oil levels in engines, gearboxes, transmissions, and hydraulic systems; * Carry out repairs, adjustments, replacements, and fixes on components such as: Suspension, brakes, steering, clutch, transmission, hoses, belts, rolling stock, gearboxes, cooling systems, engines, and others. **Maintenance Records:** * Record services performed on equipment, including: Start and end date and time of maintenance, mileage/hours, materials used, other observations, and the probable cause of failure. **Monitoring of Operational Tests:** * Monitor equipment operational tests. * Ensure that all detected faults have been properly corrected. **Compliance with Company Procedures:** * Follow procedures established by **COTRIN**. **Use of Personal Protective Equipment (PPE):** * Use all **PPE** appropriately, according to safety regulations. **Care for Company Assets:** * Safeguard company property by properly handling equipment and materials. Minimum Education: Primary Education (Elementary School) Availability to travel