Responsible for operating and servicing oil and gas wells. Assists in rigging up or down, laying out tubing, and transporting drilling and service rigs. May require a high school diploma or its equivalent and 0-2 years of experience in the field or in a related area. Has knowledge of commonly-used concepts, practices, and procedures within a particular field. Relies on instructions and pre-established guidelines to perform the functions of the job. Works under immediate supervision. Primary job functions do not typically require exercising independent judgment. Typically reports to a supervisor or manager.