General Description The Sr Sourcing Specialist works closely with various Quanta stakeholders to prepare and execute EPC bids and requests for proposals (RFPs). This position will receive and evaluate commercial proposals and be responsible for creating, managing, and evaluating supplier quotes for multi-category material bid packages.  Duties Leads and manages large material and equipment bids and proposals for Transmission, Substation and Distribution EPC projects Evaluates client RFPs and engineering designs to identify and document gaps, requirements such as MBE/WBE, Buy American, etc., and scopes of work Validates materials and quantities from engineering drawings and organizes data in applicable bid packages per client req