Supervise and coordinate activities of crew engaged in operating and maintaining engines, boilers, deck machinery, and electrical, sanitary, and refrigeration equipment aboard ship.
Note: The mid-wage is the median wage. The average wage is the mean wage. The entry-level wage is equal to the average of the lower third of reported wages for the occupation. The wage range consists of the 10th and 90th percentiles; 80% of workers earn between this wage range, 10% earn less while 10% earn more.