Administrative Assistant

About the role

The Administrative Assistant provides comprehensive support to the Income Tax Unit within the Payroll and Accounts Payable Section of the United Nations Department of Operational Support. Reporting to the Chief of the Unit, the role ensures smooth administration of human‑resource, budget, and general office processes.

Key responsibilities

• Manage unit‑level human‑resource activities including recruitment, placement, relocation, promotion, performance appraisal, training and separation, ensuring compliance with regulations.
• Enter, maintain and certify administrative data in electronic systems for time‑and‑attendance, performance appraisal and entitlement claims.
• Monitor expenditures and allotments through the Umoja system, update budget tables, draft cost plans and assist in budget performance submissions.
• Review requisitions for goods and services, verify coding and fund availability, and prepare statistical and financial reports.
• Coordinate official travel arrangements, draft routine correspondence, maintain rule and regulation files, and keep unit documentation up‑to‑date.

Required profile

• Experience in administrative support within a large, multi‑national organization.
• Familiarity with UN internal systems such as Umoja and the ERP/UN Tax platform.
• Strong understanding of HR procedures, budget monitoring and financial reporting.
• Excellent organizational skills and ability to liaise with multiple internal units.

Required skills

• Umoja financial and budgeting module
• ERP/UN Tax system

What we offer

• Opportunity to work at United Nations Headquarters in New York.
• Exposure to global payroll, tax and operational support functions.
• Professional development within an international public‑service environment.