Underground Hd Mechanic / Maintenance Supervisor

Job DetailsPosting Details
Posted on November 4, 2026
LocationsShowing 1 location Ontario, CAN
Maintenance
Full-Time
Requisition #: UNDER001327
DescriptionThyssen Mining
is seeking an experienced
Underground Heavy Duty Mechanic / Maintenance Supervisor
to oversee and perform maintenance, troubleshooting, and repair of underground mobile and fixed equipment. This position combines hands‑on mechanical expertise with leadership responsibilities to ensure equipment safety, reliability, and availability.
Key Responsibilities:
Supervise and coordinate daily underground maintenance activities.
Diagnose, troubleshoot, repair, and maintain underground mobile and fixed equipment.
Lead and support preventative and scheduled maintenance programs.
Respond to equipment breakdowns and complex mechanical issues.
Coordinate mechanics, equipment, parts, and resources based on operational priorities.
Monitor equipment availability, utilization, downtime, and recurring maintenance issues.
Ensure timely availability of parts and materials required for repairs.
Provide leadership, coaching, and technical support to maintenance personnel.
Inspect completed work to ensure quality, safety, and manufacturer standards.
Maintain accurate maintenance records, work orders, and equipment documentation.
Work closely with Operations, Planning, and other departments to minimize downtime.
Ensure all work complies with Thyssen Mining and site‑specific safety requirements.
Qualifications:
Heavy Duty Mechanic trade certification or equivalent required.
Extensive experience maintaining and repairing underground mining equipment.
Previous supervisory or crew‑lead experience preferred.
Strong mechanical, hydraulic, electrical, and diagnostic troubleshooting abilities.
Experience with preventative maintenance programs and maintenance planning.
Experience using diagnostic tools and maintenance software.
Strong leadership, communication, and problem‑solving skills.
Valid driver's license.
Applicable underground certifications and site training.
What We Offer:
Competitive compensation package.
Mentorship and professional development opportunities.
Exposure to underground mining projects across North America.
Opportunity to build experience toward professional engineering designation.
Thyssen Mining is an equal opportunity employer committed to creating an inclusive workplace.
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