Dumas Contracting Ltd. in Timmins, Ontario, is hiring a Raise Miner to develop vertical or inclined openings and install critical infrastructure such as ventilation systems and manways. You will ensure safe access, airflow, and efficiency between mine levels. The role requires underground hard rock mining experience with raise climber operation, solid mechanical aptitude, and a proven safety record. Eligible candidates must be Canadian citizens or authorized to work in Canada and reside in the