This temporary position is located in the Inspection and Evaluation Division (IED) of the Office of Internal Oversight Services (OIOS) in New York. OIOS is the internal oversight body of the United Nations and assists the Secretary-General in fulfilling his oversight responsibilities in respect of the resources and staff of the Organization through the provision of audit, investigation, and inspection and evaluation services. OIOS is an independent office reporting to the Secretary-General and to the General Assembly. IED focuses on the conduct of independent inspections and evaluations on behalf of the Secretary-General and the Member States. IED evaluations and inspections are meant to assist intergovernmental bodies and programme managers in assessing the relevance, efficiency, effectiveness and impact of Secretariat programmes. In accordance with its mandate, set forth in General Assembly resolution A/RES/48/218 B (and later resolutions A/RES/54/244 and A/RES/59/272), the role of IED is to help assure the accountability of Secretariat programmes for attaining their mandates, while in the process foster institutional learning and improvement through reflection by programmes and Member States on performance and results. The Evaluation Officer will serve as the project leader in the evaluation of the International Residual Mechanism for Criminal Tribunals (IRMCT). This position reports to the Chief of Section and the Director of OIOS-IED.