Perform contract management and administrative duties throughout the contract lifecycle including, but not limited to, proposal review and preparation, leading pre and post award negotiations, executing contract modifications, initiating contract close-outs and providing overall contracts support to programs with complex, multi-year contracts. Work closely with Operations, the Contracts team and other functions including Business Development, Strategy and Marketing, Finance, and the Legal team on bid and proposal preparation, contract negotiation, contract review and administration for new and sustaining products and services.