A Hydroelectric Plant Mechanic is responsible for maintaining, repairing, and troubleshooting mechanical equipment in a hydroelectric power plant. This includes turbines, pumps, valves, and generators that are essential for power generation. They perform routine inspections, ensure equipment operates efficiently, and may assist in installing new machinery. The role requires expertise in mechanical systems, hydraulics, and sometimes welding or fabrication. Safety compliance and minimizing plant downtime are key aspects of the job.