switchman
/ˈswɪtʃmæn/Definitions
1. noun
A railway employee responsible for operating and controlling the movement of trains at a railroad switch or junction.
“The switchman had to carefully adjust the tracks to allow the freight train to pass through safely.”
2. noun
A person who operates and controls the movement of electrical switches or power distribution systems.
“The switchman was called to the power plant to troubleshoot the faulty electrical switch that caused a blackout.”