Reliability & Maintenance Supervisor

Job Summary

The Reliability & Maintenance (R&M) Supervisor leads daily coordination, execution, and quality assurance of Reliability Centered Maintenance (RCM) activities for Dolese’s aggregate operations, including crushed stone, washed sand, and rail logistics. This role ensures the effective implementation of maintenance strategies to maximize equipment availability by leveraging technology and best practices, streamlining processes, and monitoring key performance indicators.

Leading a team of site-level R&M technicians and other R&M employees, the Supervisor fosters a culture of continuous improvement, efficient resource management, and proactive troubleshooting to minimize downtime and control costs. Collaboration with the Production Supervisor is essential to support operational excellence and maintain high levels of customer satisfaction.

• Lead the R&M activities for frontline employees to ensure optimal availability of fixed and mobile production equipment.
• Supervise regular visual and functional checks of equipment inspections, noting conditions and immediate maintenance needs; elevate critical issues for swift resolution.
• Champion Dolese’s Safety Always culture by encouraging team members to report safety concerns or near misses during daily interactions; ensure timely follow‑up for any issues that need addressing.
• Schedule and adjust employee duties based on shift needs and production demands.
• Ensure all hourly employees receive proper task training to perform all job duties safely and effectively.
• Build and maintain professional relationships with vendors; resolve any issues promptly and foster positive interactions.
• Manage maintenance budgets and identify cost‑saving opportunities without compromising reliability.
• Support planning and execution of capital projects, including equipment upgrades and installations.
• Track and update maintenance records in the system daily; review reports regularly to identify trends or deviations that require corrective action.
• Reinforce safe work behaviors through daily observation and immediate positive feedback.
• Engage frontline employees for input on safety concerns and operational improvements.
• Support achievement of 90%+ completion of Field Level Risk Assessments and Near Miss Reporting for supervised employees.
• Assist in auditing safety records at various sites to ensure compliance with company policies and MSHA standards.
• Participate in incident investigations by collecting facts, supporting root cause analysis, and implementing corrective actions aimed at zero injuries.
• Lead or support root cause analysis and reliability improvement initiatives using tools such as fishbone diagrams, pareto charts, fault tree analysis, failure mode and effects analysis, and 5 Whys investigations.
• Coordinate emergency maintenance response and contribute to business continuity planning.
• Provide daily coaching and mentoring to R&M technicians on work quality, safety practices, and problem‑solving techniques.
• Collaborate with Production and Sales teams to align operational capabilities with customer needs.
• Integrate Lean practices into daily operations to drive continuous process improvement.
• Monitor equipment performance data (e.g., OEE) daily; identify and flag underperforming equipment for maintenance or troubleshooting.
• Track and report on key performance indicators such as Availability (as defined by OEE), mean time to repair, and mean time between failure of equipment.
• Maintain optimal inventory levels of critical spare parts and monitor stock levels of non‑critical spares to ensure equipment readiness while controlling costs.
• Support ongoing RCM continuous improvement projects.
• Partner with Human Resources on employee matters such as performance, coaching, recruitment, and development.
• Maintain regular attendance and punctuality at the worksite to ensure consistent supervision and support.
• Perform additional duties as needed to support plant safety, operational efficiency, and team development.

• High School diploma or equivalent.
• 3+ years’ experience in aggregate mining operations or equivalent supervisory experience, with a…