An irrigator oversees the moisture and fertilizer levels of plants and greenery for their company. There are many different jobs for irrigators, depending on their type of expertise. Irrigators may manually water and feed plants for small nurseries, or they may install operate complex irrigation and drip systems or large plant wholesalers. Job titles include lawn sprinkler technician, machine operator, licensed irrigation technician, park maintenance worker, irrigation foreman, and operations manager. There are also irrigation inspectors who ensure irrigation equipment meets industry standards.