The Fitter is directly responsible to the 2nd Engineer in the discharge of his duties. He is responsible for the organization and allocation of tasks to the Engine Ratings according to the maintenance instructions received from the 2nd Engineer. He must ensure that engine room spaces and machinery are kept clean as much as possible and that the engine room stairs, ladders and walkways are clear at all times. He ensures that all engine tools and instruments are properly maintained and kept in the correct location. He is expected to carry out any other tasks as and when directed by the engineer-on-duty.

He must be able to weld, operate a lathe and carry out minor repairs both inside and outside the engine room as directed by the 2nd Engineer. He must be fully conversant with all fire fighting and safety equipment in the Engine Room. He should also be familiar with emergency duties and duties under Ballast Water Convention. MARPOL, and ISPS Code.