The Department of Operational Support (DOS) was established to provide end-to-end operational support, advisory services and other solutions to operating entities across the Secretariat, including departments, offices away from headquarters, peace operations, and regional commissions. The Human Resources Services Division (HRSD) provides dedicated services in support of human resources requirements of client entities, from process development through service delivery. The Division establishes and manages rosters across all job families, organizes testing and examinations, provides operational support and other advisory service for clients for the full spectrum of their delegated authorities, and supports managers and business partners in the use of non-staff personnel. The position is located in the Office of the Director of the Human Resources Services Division (HRSD), Office of Support Operations (OSO), Department of Operational Support (DOS). The Administrative Officer reports to the Director.