Old Dominion - - Responsibilities: Back trailer to loading docks, open bay doors and assist dock workers in loading/unloading trailers; Maintain contact with dispatcher to receive delivery or pickup instructions or to receive notice of changes; Perform daily maintenance checks on the switcher unit and report any malfunctions to the maintenance shop; Fuel the switcher tractor at the end of each shift; Couple and uncouple tractor-trailer units and connect/disconnect brake lines as needed