Manages the execution of responses for U.S. Government issued Requests for Proposal (RFP), Requests for Information (RFI), and Sources Sought. The Proposal Manager participates in capture planning and strategy development, leads the full life cycle of the proposal process, and works closely with the Capture Manager, Operations, Contracts, Pricing, and external teammates and/or subcontractors to produce the final response document and follow-up on customer requests under strict deadlines.