Administration Senior Assistant

General Information

Position Title: Administration Senior Assistant

Job Category: Strategy & Corporate Services

Duty Station(s): Brussels

Seniority Level: Entry Level

ICS Level: 05

Contract Type: ICA - LICA - Support - Regular

Contract Level: LICA 5

Posting Start Date: 21-Oct-2026

Posting End Date: 03-Nov-2026

Duration: 4 months (extensions subject to budget availability, project needs, and satisfactory performance)

Job Highlight

The selected candidate for this role will become UNOPS personnel under its full responsibility. The incumbent will work to drive smooth office operations by supporting administration, logistics, and client-focused services.

About the Region

The UNOPS Global Portfolios Office (GPO) brings together diverse expertise to help partners deliver impact worldwide. With hubs in New York, Geneva, and Vienna, and expert teams operating globally, GPO leads multi-regional initiatives that advance sustainable development, climate action, and peacebuilding - including in some of the world’s most challenging environments.

By leveraging our collective expertise and global networks, GPO supports UNOPS’ strategic priorities and the Sustainable Development Goals across more than 130 countries. We work closely with major global partners - including governments, international financial institutions, and UN agencies - to deliver a wide range of services, such as project management, fund management, hosting services, and HR support.

Our thematic focus spans climate action and energy, health, peace and security, sustainable development, and humanitarian action, supporting high-impact initiatives across critical global priorities.

About the Country/Multi-Country Office

UNOPS Development and Special Initiatives team works with UN partners and Member States. This portfolio offers support for various initiatives and priorities of the UN Secretary- General in pursuit of the 2030 Agenda and the Sustainable Development Goals. Additionally, it helps the UN Secretariat in implementing global programs in areas such as political affairs, climate, counterterrorism and peacebuilding, among others.

About the Group

Sustainable Development Cluster (SDC) supports diverse partners with their peacebuilding, humanitarian and development operations. It was formed by combining the following portfolios: Grants Management Services (GMS), UN Technology Support Services (UNTSS), Development and Special Initiatives Portfolio (DSIP) It provides Services to partners' programmes that are designed, structured, and managed with a global perspective and primarily serving partners that are headquartered in New York. The SDC has a footprint of approximately 125 countries.

Job Specific Context

UNOCT was established by the General Assembly in June 2017. The Office has five main functions: (a) provide leadership on the General Assembly counter-terrorism mandate across the United Nations System; (b) enhance coordination and coherence across the United Nations Global Counter-Terrorism Coordination Compact to ensure the balanced implementation of the four pillars of the Strategy; (c) strengthen the delivery of United Nations counter-terrorism capacity-building assistance to Member States; (d) improve visibility, advocacy and resource mobilization for United Nations counter-terrorism efforts; and ensure that due priority is given to counter-terrorism across the United Nations System and that the important work on preventing violent extremism is firmly rooted in the Strategy.

Role Purpose

The Administration Senior Assistant supports office operations by carrying out a range of standard administrative processes, ensuring accuracy, efficiency and high-quality outcomes.

Functions / Key Results Expected

Administrative Support

• Research and retrieve statistical data from internal and external sources. Prepare statistical charts, tables and reports by extracting and analyzing data from multiple sources.
• Follow up on deadlines, commitments and actions, coordinating the collation and submission of reports as required.
• Provide administrative support for conferences, workshops and retreats, by coordinating with hotels, venues and catering services providers
• Process requests for quotation, purchase orders, and payments for event-related activities.
• Compile and organize information for periodic audits.
• Manage petty cash transactions in accordance with established procedures.

Travel and Logistics

• Process travel transactions (authorizations and claims) in the ERP system, including requests for visas, identity cards, and other documentation for personnel, UN officials and visitors, ensuring compliance with UN rules and regulations.
• Provide information on air services, ra