Office Manager, Brussels

About the role

Our client, a European membership organisation that supports public‑sector authorities across Europe, is seeking an experienced Office Manager to oversee daily operations. The role blends financial administration, communication management, and coordination of international meetings and events within a multilingual, European context.

Key responsibilities

• Manage day‑to‑day financial administration, including invoicing, expense claims and membership fee processing.
• Liaise with external accounting partners and Belgian authorities.
• Maintain member and stakeholder databases and organisational documentation.
• Update communication channels such as newsletters, website, intranet and social media.
• Coordinate surveys, prepare reports and handle meeting minutes.
• Organise and facilitate international workshops, meetings and events (both online and onsite), including travel arrangements and logistics.

Required profile

• Bachelor's degree or equivalent professional experience.
• Minimum 5 years in a senior administrative, coordination or office‑management role.
• Experience in an international environment, preferably with a Belgium‑based organisation.
• Fluent in English and French; Dutch is a strong asset.
• Strong affinity for financial administration and invoicing processes.
• Proactive, hands‑on, able to manage multiple priorities.
• Discreet, reliable and comfortable interacting with senior stakeholders.

Required skills

• Microsoft Outlook
• Microsoft Excel
• Microsoft Word
• Microsoft Teams
• Microsoft SharePoint

What we offer

• A key position within a respected European organisation.
• International working environment with high visibility and impact.
• Broad, autonomous role with significant responsibility.
• Hybrid working model (2 days per week onsite near Schuman).
• Possibility of a 4/5th schedule.