Mechanics generally maintain and repair mechanical systems. Continue muc for an overview of the training, as well as career and salary info for some career options for graduates. Learn about education requirements, salary statistics and the nature of the work to decide if this is the right career for you. Mechanics service and repair various types of equipment, ranging from industrial machinery to aircraft engines. Wages differ based on the industry, skills required and duties performed. Mechanics who have completed a formal training program may receive higher wages than mechanics without formal training. Mechanics generally learn their trade through on-the-job training or some postsecondary education.