Barge Master (Капитан баржи) / Master (Капитан) / Motorman (Моторист) / Safety Officer (Офицер по безопасности) / Security officer (Офицер по охране)

Officer in charge of an engineering watch in a manned engine-room or as designated duty engineer in a periodically unmanned engine-room on ships powered by main propulsion machinery of 750 kW propulsion power or more, Motorman