They'll walk you through the vendor registration process, step-by-step, to make sure you're ready to start bidding and participating in County contracts. Vendor registration is free.To ethically procure quality goods and services, design, construction and construction management services at the best value for the City. Miami-Dade County Strategic Procurement Department. Contract Management: Nathalie Garcia or designee, Procurement Manager. Assist DTPW in performing contract administration duties such as: preparation of scopes of work, requests to advertise, Notice to. We will provide a summary of what constitutes an enforceable contract and discuss various sections in the County's General Terms and Conditions.