The CS is responsible for contract lifecycle activities from source to contract award, including assisting in requirement definition, researching opportunities, soliciting RFX packages, leading RFX sourcing events, facilitating supplier due diligence reviews, preparing contracts from existing templates, awarding contracts, and contract close‑out procedures when contract obligations are complete. During contract performance, the CS is responsible for monitoring the parties' mutual adherence to the terms of the contract, including progress, plans, submittals, change procedures, and commercial performance incentives, as well as supporting end users who are accountable for contract controls, invoice review, budgetary cost controls, and change order execution within their applicable delegation of authority.