This is a firm-fixed-price delivery order awarded to Sirius Computer Solutions, LLC by the U.S. Department of the Interior's Office of the Chief Information Officer. The $3,312,504 contract is for the purchase and implementation of an IBM mainframe computer system to support the agency's Federal Personnel/Payroll System (FPPS). The order was placed under Sirius' existing GSA Multiple Award Schedule (MAS) contract, which allows the company to provide a range of commercial IT products and services directly to federal agencies. This delivery order does not have a socioeconomic set-aside designation. Sirius has previously been awarded other prime contracts and subcontracts by various civilian and defense agencies to deliver IBM mainframe systems, enterprise software, and IT services.