Lead underground maintenance in Ontario with heavy-duty mechanical expertise, troubleshooting skills, and responsibility for mobile and fixed equipment reliability. Thyssen Mining seeks an experienced Underground Heavy Duty Mechanic and Maintenance Supervisor. This full-time position combines hands-on repairs with leadership, maintenance planning, and equipment diagnostics. You will support protected, reliable equipment availability across underground operations.

Key Responsibilities
- Supervise daily underground maintenance activities and coordinate mechanics
- Diagnose, repair, and maintain mobile and fixed equipment
- Lead preventative and scheduled maintenance programs
- Respond to breakdowns and complex mechanical issues




- Inspect completed work against safety and manufacturer standards

Requirements:
- Heavy Duty Mechanic trade certification or equivalent
- Extensive underground mining equipment maintenance experience
- Previous supervisory or crew-lead experience preferred
- Mechanical, hydraulic, electrical, and diagnostic troubleshooting abilities
- Valid driver's license and applicable underground certifications Apply your underground equipment expertise, leadership, and diagnostic capabilities as Thyssen Mining's Maintenance Supervisor in Ontario.

📌 Underground Heavy Duty Maintenance Supervisor (Canada)
🏢 Thyssen Mining
📍 Canada