Maintenance Supervisor

About the role

Imerys is the world’s leading supplier of mineral-based specialty solutions for industry, with €3.4 billion in revenue and 12,300 employees in 40 countries (2025). The Group provides high value‑added and functional solutions to a wide range of industries and fast‑growing markets such as energy transition, sustainable construction, and natural solutions for consumer goods. Imerys draws on its understanding of applications, technological knowledge, and expertise in material science to deliver solutions that contribute essential properties to customers’ products and their performance. As part of its commitment to responsible development, Imerys promotes environmentally friendly products and processes and supports customers in their decarbonization efforts. Imerys is listed on Euronext Paris (France) with the ticker symbol NK.PA.

The Mechanical maintenance supervisor is responsible for the maintenance and reliability of all fixed plant assets in Marble Hill, GA. The supervisor will oversee that all maintenance work is completed in the safest, highest quality, and most efficient manner possible and will contribute towards continuous improvement of the overall maintenance plan.

Responsibilities

• Manages the mechanical work force and provides on‑site expertise, ensuring the maintenance work is completed efficiently and effectively.
• Provides expertise to prepare, implement, and revise the Preventive and Predictive maintenance programs.
• Ensures that maintenance is planned, scheduled, and performed in the most cost‑effective manner.
• Reviews work planning and weekly scheduling with the production supervisors and manager and attends weekly planning meetings.
• Ensures all parts and tools are provided to craft workers prior to work being performed.
• Maintains equipment availability to meet production demands.
• Champions proactive maintenance, encouraging all production and maintenance personnel to turn in found defects to be planned and scheduled using CMMS.
• Approves emergency works and reschedules planned work as necessary.
• Enters data into the CMMS and ensures all data collected regarding work process and equipment is accurate and complete when being entered into the CMMS.
• Assists planner in sourcing parts and material as needed as well as scheduling component rebuilds.
• Interacts with vendors and assists in finding cost‑effective solutions to material needs.
• Supports other locations as required.
• Oversee lubrication and PM maintenance tasks.
• Manage preventive and predictive maintenance plans for all plant equipment, and revise as needed.
• Identify departmental training needs to support equipment uptime.
• Develop and/or execute department training plans.

Requirements

• Knowledge of mechanical maintenance processes, including preventive/predictive maintenance procedures such as vibration analysis, oil analysis, thermal analysis, as well as troubleshooting and repair.
• Demonstrated ability to effectively communicate, lead, coach, and motivate the workforce.
• Capable of developing and ensuring compliance to work schedules based on immediate and future needs with available resources.
• Proven skills in assessing the nature of a situation, identifying options, selecting the best course of action, and implementing the chosen plan.
• Internal customer focused and proven to be a strong team member.
• Ability to use financial information in decision making and find ways to reduce cost.
• Experience in developing and implementing a process‑driven maintenance plan.

Qualifications

• Bachelor’s degree in a related field (Engineering, Management, etc.) or equivalent experience in the related fields.
• 3+ years supervisory experience; experience with labor unions a plus.
• Prior experience in mining, quarries, or mineral processing is a plus.

Position type: Full time and Permanent.