Maintenance Supervisor

Department: Maintenance - Corporate

Employment Type: Full Time

Location: Summerville, SC

Reporting To: Jared Fowler

At Thorne, we work to deliver high-quality, science-backed solutions to empower individuals to take a proactive approach to their well-being. Each day begins with a mission to help others discover and achieve their best health. We count on our team members to challenge and push the boundaries to make that happen. At Thorne, you’ll be joining a team of more than 750 passionate individuals committed to our cause of providing superior health solutions at every age and life stage.

The Maintenance Supervisor is responsible for leading day-to-day maintenance execution within Thorne’s manufacturing operations, ensuring equipment and systems are maintained safely, reliably, and in accordance with quality and regulatory requirements.

This role provides frontline leadership to Maintenance Tech Leads and Technicians, overseeing preventive and corrective maintenance, equipment breakdown response, work order execution, repairs, inspections, installations, and planned project work. The Maintenance Supervisor drives equipment reliability, schedule adherence, root cause problem solving, and team accountability while ensuring manufacturing equipment remains in its designed and/or validated state and inspection-ready.

Serving as a critical link between the strategy established by the Maintenance Manager and hands-on execution on the production floor, this position works closely with Production, Engineering, and Quality to minimize downtime, improve equipment performance, and support manufacturing objectives.

The ideal candidate is an experienced industrial maintenance professional and hands-on leader with strong mechanical and electrical troubleshooting capabilities. This individual is comfortable leading maintenance teams in a fast-paced manufacturing environment, responding to equipment failures, driving preventive maintenance execution, and developing technicians while maintaining high standards for safety, cGMP compliance, reliability, and operational performance.

Work Schedule

• Provides supervisory coverage for the 2nd shift Monday - Friday 5pm - 2am.
• Must have flexibility to adjust the work schedule based on operational needs, including Saturdays and occasional Sundays during outages, corrective maintenance activities, and project execution windows.

• Plan, prioritize, assign, supervise, and participate in preventive maintenance, equipment setups, inspections, repairs, troubleshooting, and installation activities for Thorne’s manufacturing equipment.
• Provide frontline leadership during equipment breakdowns, ensuring timely troubleshooting and repair to minimize production downtime.
• Drive root cause analysis of equipment failures and implement corrective actions designed to prevent recurrence.
• Establish maintenance schedules, methods, and inspection practices that maximize equipment availability and reliability.
• Ensure manufacturing equipment remains in its designed and/or validated state and maintains a constant state of inspection readiness.
• Perform and support skilled and semi-skilled maintenance mechanic, technician, and machinist activities as operational needs require.
• Partner with Production, Engineering, and Quality on new equipment and system installations, modifications, repairs, and improvements.
• Identify equipment reliability risks and proactively recommend solutions that improve performance and reduce unplanned downtime.

• Manage preventive maintenance and work order execution across the assigned team.
• Ensure preventive maintenance activities are completed accurately and according to established schedules.
• Hold team members accountable for…