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. Position Summary: Responsible for identifying, analyzing, and coordinating responses to public and private sector solicitations, including Requests for Proposal (RFPs), Invitations for Bid (IFBs), and Requests for Qualifications (RFQs) for bus parts and components.