BBR - Process Operator I

Description

Job Summary: The professional will operate and monitor various stages of ore processing—from crushing and grinding to leaching and filtration—ensuring operational control and safety. Key Highlights: 1. Operating crushing and grinding equipment while monitoring processes. 2. Controlling and operating gravity separation and hydrocyclone circuits. 3. Collecting samples and controlling reagents. Job Responsibilities: Crushing: * Interface with Mine Operators (crushing feed, blended feed, stockpile yard disposition); * Operate all equipment (hopper, vibrating feeder, jaw crusher, belt conveyor, scrap extractor, metal detector, emergency switches, rip switches, speed sensor, scale, and other equipment); * Report to Operator III for decision-making, anticipating potential issues such as ore shortage, jamming, overload, energy isolation; crusher calibration; Grinding: * Operate and monitor field feeding and discharge of grinding equipment; responsible for the entire grinding area; * Collect samples at mill feed and discharge; perform scale drop tests; support roller replacement; clean load cell chambers of scales; * Operate and monitor gravity separation circuit (gravity concentrators, basket cleaning, inspection, water filter cleaning, area inspection); * Inspect equipment including pumps, screens, cyclones, and mills; * Clean the area manually using hand tools (shovel, hoe, handcart/wheelbarrow); * Clear obstructions in ore transfer chutes; * Operate hydrocyclone circuit (flow rate, pressure, liner replacement, apex and vortex inspection, inspection and sample collection); * Operate Acacia reactor (intensive leaching); support cartridge (filter element) replacement; collect samples; conduct transfers; * Prepare reagents; * Inspect vibratory and linear screens (screen and module replacement, unblocking water sprays); CIL/CIP/LEACHING/DETOX: * Sample collection (pulp density, pH, oxygenation, carbon profile, soluble gold sample, cyanide titration); * Carbon handling and carbon production; * Starting and stopping agitators and pumps; * Tank draining; * Cleaning containment basins; * Cleaning and inspecting inter-stage screens; * Cleaning carbon production and safety screens; screen and module replacement; * Pump inspection, gland packing adjustments, pump start-up and shutdown; * Operate TAC—cyanide analyzer—and dosage control; * Handle chemical products; * Prepare reagents; * Control pH; * Work with lifting operations, high-pressure washers, overhead cranes, NR35, NR33, NR12, NR06, NR22; * Knowledge and training on CIC (International Cyanide Code); * Interface with all departments and the Control Room; Elution: * Control temperature, pressure, flow rate, and time; * Clean and replace heat exchangers and strainers; * Operate boiler; * Operate and collect samples (control electrolysis inlet and outlet—electrolytic cells); * Control and operate acid washing; * Titrate samples (cyanide, soda ash, hydrochloric acid); * Interface with all departments—transfer of enriched and exhausted carbon; * Clean and organize work area (5S); * Support maintenance during equipment shutdowns; * Focus on all KPIs (cost control, production, safety indicators); * Operate pumps, start-up and shutdown; Filtration: * Filtration operation; * Thickener operation (torque, rack, density, reagent dosing control); * Pump operation control, start-up and shutdown; * Moisture content control; * Direct interface with all departments (ensuring UF operational continuity); * Hand over equipment to Maintenance according to scheduled shutdowns; * Support Maintenance and shutdowns, including corrective ones; Wastewater Treatment Plant (ETE) and Water Treatment Plant (ETA): Operate the entire water reuse system; Control water inflow and outflow; Ensure all treatment stages are properly executed; Requirements: * Completed elementary education; * Residence in Currais Novos–RN; * Availability to work rotating shifts. Minimum Education: High school diploma (Secondary education) * Medical assistance * Profit-sharing program (PLR) * Cafeteria * Dental assistance * Meal allowance * Transportation * Life insurance