Marine engineer officers operate and maintain vessels' main engines / equipment and supervise engine room crew activities.

To be a transportation officer or controller, you usually need a high school diploma and specialized training in your area of transportation. You may need certification or a special licence such as pilot's, air traffic control or radio licence. You may need training, special certificates, and endorsements from Transport Canada. To be a transportation officer or controller who works on ships and other vessels, you must usually complete a cadet program at a nautical or marine training institute or have several years' experience. Many recent entrants have a trade / vocational certificate or community college diploma, and almost 3 in 20 have an undergraduate university degree.