The Social Security Administration (SSA or agency) is seeking firms interested in providing multi-discipline Architect and Engineer (A-E) services to SSA on a nationwide scale (throughout the United States and its territories). The SSA intends to negotiate a single-award, indefinite-delivery/indefinite-quantity (IDIQ) contract with an A-E firm we determine the most highly qualified/most preferred in accordance with 40 U.S.C. chapter 11, Selection of Architects and Engineers, and Part 36 of the Federal Acquisition Regulation (FAR). Firms will be evaluated on their demonstrated competence and qualifications for the required work provided in this announcement. The Pre-solicitation Number is 28321326R00000005. The Pre-solicitation Notice (28321326R00000005) includes the A-E Public Announcement. The A-E Public Announcement includes a detailed description of the SSA's requirement such as contract information, project information, the statement of work for the IDIQ contract, sample task orders, the selection criteria, evaluation information, submission requirements and a list of associated attachments ((Attachments A-J). The A-E Public Announcement includes the due date and time for submitting inquires and the submission requirements.