Maintenance Supervisor

About the Role

Morton Salt is an iconic company with a strong heritage and a bright future. Since 1848, we have been improving lives and enhancing everyday moments—at home, at work, and virtually everywhere in between. We help unlock the flavors in food, make roads and sidewalks safer, improve water in baths, pools, and homes, and keep businesses and industries running. As a Maintenance Supervisor, you will provide hands-on, first-line leadership and technical direction to maintenance employees with minimal guidance to ensure work is completed safely, efficiently, and effectively. This role maintains a strong field presence while overseeing daily maintenance activities, supporting preventive and predictive maintenance, coordinating priorities with operations, and improving equipment reliability and uptime.

Responsibilities

• Safety & Compliance
  • Maintain a safe work environment by enforcing company policies, safety procedures, and applicable MSHA, state, and federal requirements.
  • Promote safe work practices through inspections, job observations, coaching, and identification of unsafe behaviors or conditions.
  • Conduct accident investigations, audits, inspections, and provide insight to support continuous improvement.
• Supervision & Leadership
  • Provide supervision, direction, coaching, and technical guidance to hourly maintenance employees.
  • Assign, prioritize, and follow up on daily maintenance work to ensure safe, timely, and quality completion.
  • Administer the collective bargaining agreement and plant policies, including addressing personnel concerns and supporting grievance resolution as needed.
  • Promote teamwork, communication, accountability, and alignment with company goals.
  • Develop team skills and improve overall capabilities.
• Maintenance Execution & Work Coordination
  • Coordinate daily and weekly maintenance activities to support equipment reliability, maintenance efficiency, and operational uptime.
  • Partner with operations, planning, contractors, and storeroom teams to prioritize work, reduce production interruptions, and ensure required resources are available.
  • Review, prioritize, and manage work orders, backlog, and maintenance schedules in the CMMS system.
  • Support special assignments, outages, emergency repairs, and on-call needs as required.
• Reliability & Continuous Improvement
  • Execute preventive and predictive maintenance practices to improve equipment reliability and reduce unplanned downtime.
  • Review PMs, inspection forms, maintenance history, and field observations to identify improvement opportunities.
  • Identify recurring equipment issues, support root-cause analysis, and implement corrective actions to improve uptime.
  • Use work order, rework, craft utilization, and KPI data to improve maintenance performance.
• Technical Expertise & Troubleshooting
  • Provide technical support for troubleshooting mechanical, hydraulic, electrical, diesel, welding, rigging, plumbing, and control system issues.
  • Read and interpret technical manuals, schematics, blueprints, and equipment documentation.
  • Apply diagnostic tools and knowledge of sensors, PLC logic, and industrial control systems; Allen-Bradley experience is preferred.
• Administrative & Documentation
  • Maintain and update accurate work hours for team, work order documentation, equipment records, maintenance history, and related reports.
  • Recommend cost-saving opportunities related to labor, training, parts, supplies, and maintenance processes.
  • Manage applicable Management of Change requirements for maintenance work and equipment changes.

Requirements

• 5+ years of relevant maintenance and/or supervisory experience.
• Strong experience and knowledge of industrial maintenance practices, including hydraulics, welding, diesel repair, rigging, low voltage electrical systems, and troubleshooting.
• Ability to read and interpret technical manuals, schematics, blueprints, and equipment documentation.
• Strong leadership, communication, coaching, problem-solving, and decision-making skills.
• Ability to manage multiple priorities and work any shift, overtime, weekends, holidays, outages, and on-call assignments as needed.
• Competent in using a CMMS system as well as Microsoft Office Suite (Outlook, Excel, Word).

Preferred Qualifications

• 5+ years of relevant mine maintenance supervisory experience.
• Underground production mining experience.
• PLC and Allen-Bradley experience.
• Experience utilizing mobile equipment software (e.g., Cummins Insight, Caterpillar SIS).
• Bachelor’s degree or equivalent.
• Relevant certifications in the maintenance space.

Work Environment / Physical Requirements

• Ability to wear required PPE, including steel-toed shoes, safety glasses, hard hat, harness, electrical PPE, and other job-specific protective equipment.
• Ability to work underground, outdoors, in production areas, elevated, and in varying temperatures.
• Ability to lift and move up to 50 pounds and perform physical tasks such as climbing, bending, squatting, reaching, standing, walking, and working on elevated platforms.
• Must be physically able to access underground, surface, plant, and equipment work areas.