Manage the full contract lifecycle (intake, drafting, review, negotiation, execution, amendments, renewals, and close-out) for client, supplier, partner, and other third-party agreements, including Master Services Agreements, Statements of Work, and Non-Disclosure Agreements. Evaluate and manage requests for contract changes, including amendments, change orders, and revisions to Statements of Work; maintain version control and an auditable record of approvals and deviations.