Through a team of Heavy Equipment Mechanics, Heavy Equipment Servicers, and Heavy Equipment Mechanics (Electrical), supervises the maintenance and repair of assigned equipment used at IAD and the Dulles Toll Road (DTR), including Mobile Lounges, Jet Bridges, public safety vehicles, shop vehicles, and the Dulles Toll Road fleet. Knowledge of electrical theory, the National Electric Code and the electronic principles used with various electronic/electrical controls on heavy equipment to evaluate the efficiency of substitutions or replacements and to ensure accepted trade practices are followed.