has job zone occupation holder with job zone 2 railroad brake, signal, or switch operator or locomotive firer (broad) railroad brake, signal, or switch operator or locomotive firer 2 Operate or monitor railroad track switches or locomotive instruments. May couple or uncouple rolling stock to make up or break up trains. Watch for and relay traffic signals. May inspect couplings, air hoses, journal boxes, and hand brakes. May watch for dragging equipment or obstacles on rights-of-way. Sam Smith https://www.bls.gov/soc/ Oliver He Railroad Brake, Signal, and Switch Operators and Locomotive Firers 53-4022.00