Working closely with Maintenance, Operations, Engineering, Supply Chain, and external vendors, the Planner develops detailed preventive and corrective maintenance work packages, coordinates resources and materials, manages maintenance schedules, and supports the continuous improvement of the site's mobile equipment maintenance strategy. The position will primarily support underground mobile equipment such as load-haul-dump (LHD) machines, underground haul trucks, bolters, jumbos, utility vehicles, graders, cable bolters, shotcrete equipment, and other diesel or electrically powered mobile equipment.