High school diploma or equivalent; and, Three (3) years' experience in maintenance, field operations or related field; and, Two (2) years' experience in a management or supervisory capacity; and, For Solid Waste, experience in the operation of rear tandem axle trucks over 30,000 GVW or a variety of multiple types of heavy equipment; and, For Solid Waste (Disposal and Collection Divisions): Must have and maintain a valid Class B Commercial Driver License (CDL) with Air Brake endorsement and a good driving record prior to employment; and, For Solid Waste (Home Chemical Division), Must have and maintain a valid Class B Commercial Driver License (CDL) with Air Brake endorsement and a good driving record prior to employment, or obtain within twelve months of employment; and, For Water - Distribution/Wastewater - Collection, must possess a valid Class A Commercial Driver License (CDL) with tanker endorsement and a good driving record OR must possess a valid Class C driver license with a good driving record and the ability to obtain a Class A CDL with tanker endorsement within six (6) months of employment; and, For Solid Waste (Home Chemical Division), Must obtain a 40-hour HAZWOPER certification and a refrigerant recovery certificate within six months of employment; and, For Traffic, must hold and maintain a valid International Municipal Signal Association (IMSA) Level III Signals and Signal Inspector Certification; and, For Traffic, must hold and maintain a valid International Municipal Signal Association (IMSA) Level II Signs and Markings Certification; and, For Traffic, must hold and maintain a valid Texas A&M Engineering Extension Service (TEEX) and or IMSA Work zone Traffic Control and Flagger certification; and, For Wastewater, must possess or obtain and maintain a valid Class III Wastewater Collections license from (TCEQ) within 36 months of employment; and, For Water, must possess or obtain and maintain a valid Class B Distribution Operator license from (TCEQ) within 36 months of employment; and, For Water, must possess or obtain and maintain a valid Class III Collections certification from (TCEQ) within 18 months of employment. Environment: Works inside and outside with exposure to sun, heat, cold, humidity, and inclement weather, noise, no/low light, insects, poison oak/ivy, dust, debris, odor, chemicals, vibration, fumes, confined spaces, and rough terrain; occasionally requires irregular and/or prolonged hours.