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Supervisor - Ore Processing SAG Mill | HireLiberia

ArcelorMittal Liberia · Grand Bassa · apply by Sep 30, 2026

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LR_Supervisor - Ore Processing SAG Mill (400649) Yekepa, Nimba, Liberia and 1 more Be the First to Apply Job Description Duties and Responsibilities / KPI's 1. Operational Management • Supervise day-to-day SAG mill operations during the assigned shift. • Monitor and control SAG mill throughput, feed rate, power draw, load level, and grind size. • Optimize mill performance to maximize production and recovery. • Coordinate plant activities with Crushing, Maintenance, Dewatering, Concentrator, and Technical Services teams. • Ensure stable operation of auxiliary systems including: ▪ Mill lubrication systems ▪ Mill drive systems ▪ Cyclone classification circuits ▪ Feed conveyors ▪ Process water systems • Manage process upsets and implement corrective actions promptly. 2. Process Optimization • Monitor key operating parameters and adjust operating strategies accordingly. • Analyse plant data and identify opportunities for throughput improvement. • Work closely with Metallurgical and Process Engineers to improve circuit performance. • Minimize process downtime through proactive operational management. • Support plant improvement projects and commissioning activities. 3. Coordination • Coordinate planned maintenance shutdowns and equipment isolation activities. • Ensure timely reporting of equipment defects and abnormal conditions. • Verify work quality following maintenance interventions. • Assisting Reliability and Maintenance teams in root cause failure investigations. 4. People Leadership • Supervise, coach, and mentor operators and process attendants. • Conduct shift handovers and operational reviews. • Manage employee performance in accordance with company standards. • Identify training needs and support employee development plans. • Ensure adequate workforce deployment and coverage during shifts 5. Reporting and Administration • Prepare shift production reports and operational summaries. • Maintain accurate production, downtime, and operational records. • Report deviations from production plans and propose corrective actions. • Ensure compliance with standard operating procedures and documentation requirements. Key Performance Indicators (KPIs) KPI Category----------------------Measure-----------------------------Target Safety ----------------------------- Lost Time Injury Frequency Rate (LTIFR)--------Zero Safety-----------------------------Safety Observations Completed--------------≥ Target set by department Safety ---------------------------- Incident investigation closure rate ------------100% Production------------------------SAG Mill Throughput Achievement ------------≥ 95% of plan Production------------------------- Ore tonnes processed---------------------------Achieve monthly production plan Process Performance ---------------Circuit Availability -------------------------------≥ 92% Process Performance---------------- SAG Mill Utilization ---------------------------≥ 90% Process Performance----------------- Grind Size (P80) Compliance Downtime ------≥ 95% compliance Downtime -----------------------------Unplanned downtime reduction ------------Annual improvement target Quality ---------------------------------Shift production reporting accuracy ---------------100% Cost -------------------------------Consumables usage within budget -----------------Achieve budget target People ----------------------------Training compliance-----------------------------------------100% People ----------------------------Performance reviews completed on time -------------------100% Environment --------------------------Environmental incidents ------------------------Zero reportable incidents Qualifications / Experience / Knowledge • Education • Diploma or bachelor's degree in: ▪ Mineral Processing ▪ Metallurgical Engineering ▪ Mechanical Engineering ▪ Mining Engineering ▪ Process Engineering ▪ Related technical discipline • Experience ▪ Minimum 5 years' experience in mineral processing operations. ▪ Minimum 2 years in a supervisory role within a concentrator or processing plant. ▪ Demonstrated operational experience in: • SAG Milling • Crushing and Grinding Circuits • Classification Systems • Process Control Systems • Continuous Mining Plant Operations • Technical Knowledge • Strong understanding of SAG mill operation and optimization. • Knowledge of grinding and classification principles. • Familiarity with Distributed Control Systems (DCS) and SCADA platforms. • Understanding of equipment condition monitoring. • Knowledge of production reporting systems. • Working knowledge of maintenance planning principles. • Ability to interpret process trends and metallurgical data. • Strong understanding of mining safety legislation and company standards. Core Competencies / Skills Technical Competencies • SAG Mill Operations Management • Process Optimization • Production Planning • Operational Troubleshooting • Equipment Performance Monitoring • Root Cause Analysis • Continuous Improvement Leadership Competencies • Team Leadership • Coaching and Mentoring • Decision Making • Conflict Resolution • Performance Management • Communication and Coordination Business Competencies • Cost Awareness • Operational Excellence • Reporting and Analysis • Risk Management • Stakeholder Management Personal Qualities / Behavioral Traits • Strong safety mindset. • High level of integrity and professionalism. • Results-oriented and accountable. • Ability to perform effectively under pressure. • Strong problem-solving capability. • Excellent interpersonal and communication skills. • Team player with a collaborative approach. • Commitment to continuous improvement Working Conditions • Mining and processing plant environment. • Rotational shift work including nights, weekends, and public holidays. • Exposure to dust, noise, vibration, and heavy mobile equipment. • Regular field inspections and plant walkdowns required. • Required to work in compliance with all site safety regulations. Health and Safety 1.1. Ensure compliance with

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