Key Responsibilities Leads the design, development, execution, and implementation of powertrain & drivetrain components and systems related to engines, transmissions, traction motors, batteries, shocks, air bags, pan hard rods, sway bars and various other powertrain & drivetrain components for heavy duty vehicles (i.e. transit buses). Founded in 1975, ENC (ElDorado National – California) is a leading U.S. transportation manufacturer specializing in design, engineering, and end-to-end production of heavy-duty buses, shuttles, and cargo vehicles through a custom-build, mixed-model assembly process.