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United Nations in New York is seeking a Senior Administrative Assistant to join the One Executive Office (One EO) team within the Department of Operational Support. The role provides essential administrative support for travel, procurement, and client services across Secretariat entities in a centralized platform.
You will report to the Associate Administrative Officer and contribute to delivery of administrative services, HR coordination, and financial operations.
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Job Network : Management and Administration
Job Family : Administration
Category and Level : General Service and Related Categories , G-7
Recruitment Type : Position Specific Job Openings
Department/Office : Department of Operational Support
The One Executive Office ("One EO") provides the full range of administrative and operational services required by New York–based Secretariat client entities to fulfil their mandates, including human resources management, financial administration, travel, and general administrative support. This position is located within the Common Administrative Platform at United Nations (UN) Headquarters, referred to as the One EO under the Division of Administration in the Department of Operational Support (DOS). One EO started its transition phase on 1 January 2026 as part of the UN80 reform initiative, which aims to consolidate common administrative functions across Secretariat entities into unified service platforms. Specifically, this position is in the Specialized Desk 4 (Travel) providing administrative and operational support to client entities with the certification of individual, group and conference travel, procurement and general related activities. The Senior Administrative Assistant will report to the Associate Administrative Officer.