Generally the Chief ensures that all correct and safe procedures are followed and that all the appropriate paper work is completed . Very much like the Mates job only in the engine spaces . The 2nd normally consults with the Chief to organise the planned maintenance in the engine room . Normally in charge of electrical systems and generation as well as system checks . 4th Engineer Normally responsible for the purifiers and with another engineer normally does the bunkering of the ship .
Engineers normally are on day work with a night on board roster to answer alarms .
Unless something goes wrong engineers do not work shifts . All officers are responsible for the training of cadets . You might also get more information from the Marine Society . Tend to be storekeepers and assists bosun in various jobs Chippy - Very few left . Tend to do all carpentry work onboard and help with any problems with the plumbing .