 Typically, with little experience, a wiper may work under the close supervision of trained and qualified engineers of the engineering department belonging to the vessel.Taking commands and directions from the 1st Assistant Engineer, the Chief Engineers’ foremost subordinate, the wiper is in charge of, but not wholly responsible for, maintenance ranging from chipping in the bilges to painting of the overhead in the machinery spaces.As a wiper, additional duties include assisting of licensed engineers, filling in for Qualified Members of the Engine Department (QMED) when necessary, and standing as a member of the watch team but not assigned watches.