Jumbo Operator

Description

Perform rock drilling using drilling equipment for rock fragmentation, gallery excavation, rock anchoring, as well as roof support and equipment installation. **Responsibilities and duties** * Conduct pre-operational checklist, verifying the functionality of controls and electrical, hydraulic, and mechanical systems; rigorously test the system according to its specific characteristics and required precautions before commencing work, in accordance with the operation manual and safety regulations. * Navigate within confined galleries and equipment zones containing energized devices, water and compressed air pipelines, while observing and complying with the underground mine traffic plan. * Carry out tasks according to instructions and service priorities set by the immediate supervisor, properly using required personal protective equipment (PPE), and adhering to standards, procedures, occupational safety & health requirements, environmental protection, quality, and social responsibility. * Wash drill rods and arms, lubricate components, top up oil levels, and verify tire pressure on operated equipment. * Maintain and ensure proper functioning of equipment and accessories used during operations, performing minor repairs and cleaning the work area. * Collaborate with supervision and other operators to manage roadway conditions and occupational safety & health conditions across various mine areas. * Interact with other operators and exchange information regarding operated equipment and associated tasks. * Report to the control room a summary of all completed activities, general status of equipment and workplace, and any abnormalities observed, to enable appropriate corrective actions. * Conduct visual inspection of the workplace, checking ventilation systems, emergency exits, communication systems, presence/occurrence of Choco (unstable rock blocks), existence of faults and/or blocked holes, water and air leaks, damage to electrical cables, and other issues; immediately report observed irregularities to the immediate supervisor. * Install equipment, laying electrical cables and hoses on opposite sides, and ensuring proper drainage of the channel. * Operate appropriate equipment for rock drilling and fragmentation according to the drilling pattern and containment plan, injecting grout/resin and installing anchoring cables, following supervisors’ instructions and standards established during training. * Interpret long-hole drilling project drawings according to surveying specifications. * Energize equipment by connecting the electrical cable plug into the socket. * Ensure correct parallelism and angle of desired drilling, adapting to variations in rock mass properties and the specified drilling pattern. * Replace centralizing bushings, re-tighten bolts and nuts, hose terminals, drill handles, and hoses for stages I and II; re-tighten hose connections and/or terminals exhibiting hydraulic leaks, as needed, per provided guidance and training. * Perform Choco sanitation operations on gallery roofs and sidewalls using Jumbo and bolting equipment (Boltec and Jumbo). * Inform auxiliary personnel involved in bolting and containment operations about relevant activity details and associated safety principles. * Perform maneuvers in tight, poorly lit, and low-visibility underground mine locations to carry out tasks stipulated in the equipment’s standard operating procedure manual. * Maintain equipment tooling and operational wear parts. * Perform minor mechanical repairs (e.g., replacing hydraulic hoses, bolts, guards, belts, re-tightening connections, etc.) as requested by the shift supervisor. **Requirements and qualifications** * Completed high school education * Experience working in underground mines * Driver’s license category B * Residence in Peixoto de Azevedo, Matupá, or Guarantã do Norte, MT. **Additional information** * Meals provided at the company * Company transportation * Life insurance * Health insurance * Dental insurance * Meal allowance * Christmas basket * Childcare support * Inclusion assistance * Occupational Risk Prevention (PRL) At P.A. Gold, we believe our greatest wealth is our people. We are driven by the energy of those who dream big, build collaboratively, and transform challenges into opportunities. Here, every employee has space to grow, learn, and leave their mark. Our commitment is to value people, foster professional development, and cultivate an environment where safety, innovation, and respect go hand in hand. If you seek more than just a job—if you seek purpose, a place where your ideas matter and your talent can shine—your future may be here. Join us in building this journey. Your next step begins at P.A. Gold.