Description Metra is one of the largest and most complex commuter rail systems in North America, serving Cook, DuPage, Will, Lake, Kane, and McHenry Counties. The agency is linking communities in Northeastern Illinois by providing safe, reliable, and efficient commuter service. Engineering is responsible for building and maintaining the majority of Metra\'s fixed assets, such as buildings, stations, bridges, track, electrical, telecommunications and signal systems. The Engineering Department al