Administrative Assistant – UN Operational Support

About the role

The Administrative Assistant will support the Common Administrative Platform (CAP) at UN Headquarters, providing comprehensive administrative, human‑resources and financial services to New York‑based Secretariat entities.

Key responsibilities

• Initiate, review and process HR actions for Affiliate Personnel (consultants, contractors, interns, etc.) and provide daily guidance on UN rules and procedures.
• Prepare and monitor budget and financial proposals, track expenditures, and generate variance analyses and customized reports from the IMIS system.
• Draft routine correspondence, coordinate service requests, and ensure documentation is uploaded to the SAP‑based ERP system.
• Assist with contract administration, invoice verification, and payment processing for external contractors.
• Collect, analyse and present data for decision‑making, including staffing tables, statistical charts and visualisations.

Required profile

• High school diploma or equivalent; a first‑level university degree reduces required experience.
• Minimum seven years of experience in administrative services, finance, accounting, audit or HR (five years with a university degree).
• Experience administering Affiliate Personnel within the UN Common System or a similar organization.
• Proficiency with ERP‑based HR modules such as SAP Umoja or comparable platforms.

Required skills

• ERP systems – SAP, Umoja
• Financial reporting tools – IMIS
• Budget preparation and variance analysis
• Human‑resources policy application