Maintenance Supervisor

Essential Responsibilities

Maintenance Operations

• Supervise daily maintenance activities for crushing, conveying, screening, material handling, and associated plant equipment.

• Coordinate corrective, preventive, and predictive maintenance activities to maximize equipment reliability.

• Assign and prioritize work orders based on operational requirements and maintenance needs.

• Monitor equipment performance and work with operations to identify improvement opportunities.

• Ensure high-quality workmanship and adherence to maintenance standards.

Workforce Leadership

• Direct and supervise union maintenance employees on day and night shifts.

• Manage employee performance through coaching, training, and accountability.

• Administer applicable provisions of the collective bargaining agreement.

• Participate in grievance meetings, investigations, and labor-management discussions as required.

• Coordinate manpower and shift coverage to meet business needs.

• Foster positive labor relations through fair and consistent leadership practices.

Planning and Reliability

• Partner with operations team to develop weekly and outage maintenance schedules.

• Drive preventive and predictive maintenance programs.

• Analyze equipment failures and identify root causes.

• Support capital improvement and reliability projects.

• Manage maintenance backlog and ensure timely completion of work orders.

Financial and Administrative Responsibilities

• Monitor maintenance spending and work within approved budgets.

• Manage inventory and procurement of maintenance materials and spare parts.

• Review contractor work and ensure compliance with plant requirements.

• Maintain accurate maintenance records and documentation within CMMS systems (SAP).

• Prepare reports related to maintenance performance, costs, and reliability metrics.

Operational Support

• Provide leadership coverage and support for a 24-hour operation.

• Respond to critical equipment failures and plant emergencies as needed.

• Coordinate maintenance support during outages, shutdowns, and major repairs.

• Work collaboratively with production, engineering, environmental, quality, and safety personnel.

Safety Leadership

• Champion and enforce all company safety policies, procedures, and regulatory requirements.

• Conduct regular safety meetings, audits, inspections, and job observations.

• Ensure compliance with lockout/tagout, confined space, hot work, and other critical safety procedures.

• Investigate incidents, near misses, and equipment failures and implement corrective actions.

• Promote a proactive safety culture among union and salaried employees.

Qualifications

Required

• High school diploma or GED.

• Minimum 5 years of industrial maintenance experience.

• Minimum 2 years of supervisory or lead experience in a union manufacturing or mining environment.

• Working knowledge of mechanical maintenance principles related to crushers, conveyors, pumps, hydraulic systems, rotating equipment, and material handling systems.

• Familiarity with OSHA and MSHA safety requirements.

• Strong leadership, communication, and problem-solving skills.

• Proficiency with Microsoft Office and computerized maintenance management systems (CMMS).

Preferred

• Associate degree or technical certification in industrial maintenance, mechanical technology, electrical technology, or related field.

• Experience in lime, cement, aggregates, mining, quarrying, or other heavy industrial operations.

• Experience with reliability-centered maintenance practices.

• Knowledge of welding, fabrication, and mobile equipment maintenance.

• Experience with budget management and capital project coordination.

Working Conditions

• Industrial manufacturing environment with exposure to dust, noise, vibration, and varying weather conditions.

• Routine walking, climbing stairs and ladders, and working in and around heavy industrial equipment.

• Must be available to support day and night shift operations and respond to off-hour emergencies as required.

• Required use of personal protective equipment (PPE).