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 The BOM (Bill of Materials) Engineer is a specialized engineering data professional responsible for creating, configuring, structuring, and maintaining the comprehensive list of raw materials, assemblies, sub-assemblies, parts, and components required to manufacture a product.