The Defense Health Agency (DHA) Program Executive Office for Defense Healthcare Management Systems (PEO DHMS) is conducting market research to inform acquisition planning for the Enterprise Software Services (ESS) Next requirement. The ESS Next will provide infrastructure, environments, and services to support development, integration, and testing for PEO DHMS stakeholders. The agency seeks innovative solutions to achieve high-level objectives such as optimized infrastructure, modernized service delivery, integrated testing services, and enterprise tooling. • The contract type will be Firm Fixed Price (FFP) with a period of performance of one base year and four option periods. • The location of the work will be in the National Capital Region, within 30 miles of Arlington, VA. • The RFI seeks feedback from industry on the draft Statement of Objectives (SOO) and Current State Analysis to inform acquisition strategy decisions. • Respondents may address all or some of the questions outlined in the RFI, and responses should be concise and no longer than 10 pages.