Information Technology Support Services-4 (ITSS-4)

The Information Technology Support Services-4 (ITSS-4) is a multiple award Indefinite Delivery/Indefinite Quantity (IDIQ) contract managed by the Department of Justice (DOJ) for large-scale systems integration, IT support, and technology services. The contract focuses on integration, modification, and maintenance of current systems with significant impacts on future program needs across various DOJ components. Task orders under this vehicle predominantly cover information technology services spanning software development, systems engineering, cybersecurity, database management, infrastructure support, and enterprise-level IT transformations.

The contract vehicle has been utilized by multiple DOJ agencies, with task orders typically ranging from $1 million to over $190 million in potential value and durations of 2-3 years. Frequent prime contractors include General Dynamics Information Technology (GDIT), CACI-ISS, Leidos, NTT Data Services, and Peraton Enterprise Solutions. Most task orders are time and materials contracts without small business set-aside designations, covering diverse IT functions such as case management system development, help desk support, enterprise collaboration systems, web design, IT security engineering, and infrastructure maintenance. Notably, task orders support specialized components like the Executive Office for United States Attorneys (EOUSA), U.S. Marshals Service, Office of the Inspector General, and various divisional IT requirements, with performance primarily located in the Washington, D.C. metropolitan area.