Advancement of the national, economic and energy security of the United States is the primary mission of the Department of Energy (DOE), which promotes scientific and technological innovation in support of that mission. T&T has supported DOE’s Office of the Chief Information Officer’s (OCIO) with a full complement of IT services in support of the National Nuclear Security Administration (NNSA) and other DOE facilities in Albuquerque, NM; Las Vegas, NV; Livermore, CA; Washington, DC; and Germantown, MD. These services included systems operations and maintenance, network engineering, desktop environment support, and information systems security. In all, we supported 13 staff offices with more than 7,500 end-users in the Washington area and more than 14,000 end-users nationwide. Our support for systems integration activities complied with the agency’s System Engineering Methodology, which is equivalent to SEI CMM Level 3.