Other Requirements As a Safety-Sensitive position, pre and post employment screenings, including but not limited to drug testing as outlined by the Department of Transportation (DOT) and Pipeline & Hazardous Materials Safety Administration (PHMSA), and motor vehicle record (MVR) background checks are required. Work Conditions Works outdoors in all types of weather and may be exposed to extremes of climate and temperatures, high noise levels, rough terrain, and occasional work on ladders, roofs, attics, and under houses as well as confined spaces.