The County’s Enterprise System Architecture (ESA),defines the conceptual, physical and logical form of the enterprise including the business, process, information, IT, technology system and service elements which compose the enterprise and the interconnections, interfaces and relationships. The functionality of the enterprise is defined by the requirements of the enterprise that enable and assure the enterprise to function to serve the requirements of the mission in the external working environment.

Enterprise Systems Architecture uses applied-research to support the Information Technology Services (ITS) strategic planning processes.
It integrates business and ITS strategy to improve financial efficiency and business effectiveness for Jefferson County. Enterprise System Architecture uses best practices to steer decision-making toward the evolution of "future state" enterprise architecture in Jefferson County.