Presolicitation notice from the Department of Homeland Security, Office of Procurement Operations, for Protective Security Officer (PSO) services in various locations throughout Upstate, New York. The armed PSOs will protect federal personnel and property at federally owned and leased buildings. The contract will have a one-year base period with four one-year option periods and an optional 6-month extension. Services will be provided under an Indefinite Delivery/Indefinite Quantity (IDIQ) contract. The estimated PSO basic service hours for the 66-month period are 1,944,250 hours. The solicitation is anticipated to be posted between June 4, 2019, and June 6, 2019, on www.fedbizopps.gov.