 Oilers working for the Canadian Coast Guard have various duties, some of which include, performing regular maintenance of the ship's engines and other equipment, assisting the engineers with the repair and overhaul of the ship’s engines and equipment, making regular rounds of the engine room and designated spaces and alerting the engineer on watch of any problems noted.The oiler is also required to keep the engine room clean, tidy and freshly painted.They are the most junior crewmember of the engineering department in the Canadian Coast Guard.