High School diploma or equivalent; and, Four (4) years' experience in the operation of rear tandem axle trucks over 30,000 GVW or a variety of multiple types of heavy equipment; and, Must have and maintain a valid Class A or B Commercial Driver License (CDL) with Air Brake endorsement and a good driving record prior to employment, OR. Environment: Works outside with exposure to sun, heat, cold, humidity, and inclement weather, noise, no/low light, insects, poison oak/ivy, debris, odor, chemicals, vibration, fumes, confined spaces, and rough terrain; occasionally requires irregular and/or prolonged hours.