A baler operator controls and maintains an automatic machine that bales rubber pellets. As a baler operator, your primary duties are to calibrate the machine, observe the meters on the machine during operation, and take the wet bales out of the machine. Qualifications needed for a career as a baler operator include a high school diploma or GED certificate, job experience operating heavy machinery or postsecondary training to prepare you for mechanical operations, mechanical skills, a keen eye for detail, and knowledge of all safety practices.