Environment: Works inside and outside with exposure sun, heat, cold, humidity, and inclement weather, untreated sewage water, noise, chemicals, odors, hazardous gases, heights, depths, electrical components, potentially hazardous conditions, uneven ground, and rough terrain; occasionally requires irregular and/or prolonged hours. High School diploma or equivalent; and, Three (3) years' experience in mechanical equipment operation/use, or related field; and, Must have and maintain a valid Grade "B" Wastewater Treatment License issued from the Texas Commission on Environmental Quality (TCEQ).