This position is located in the Office of the Assistant Secretary-General (OASG), Office of Supply Chain Management (OSCM), Department of Operational Support (DOS). The Department of Operational Support was established to provide operational advisory services to operating entities across the Secretariat, including other departments, Offices Away from Headquarters, field missions, and regional commissions. The Office of Supply Chain Management encompasses the Office of the Assistant Secretary-General, the Logistics Division, the Procurement Division, the Uniformed Capabilities Support Division, Global Service Center, Aviation Safety Section and the Enabling and Outreach Service. The Administrative Officer reports to the Special Assistant to the ASG, or designated official.