Administrative Assistant – Brussels

About the role

Join a leading international company as an Administrative Assistant supporting the Brussels office. You will work closely with senior stakeholders and the Office Leadership Team, providing high‑quality administrative, organisational, and operational assistance in a fast‑moving environment.

Key responsibilities

• Manage calendars, meetings, appointments and travel arrangements, including accommodation and transportation.
• Process expenses, administrative documentation and contract administration, ensuring accurate system uploads.
• Support onboarding and employee administration processes.
• Coordinate office management tasks such as facilities, supplies, catering and vendor relationships.
• Organise meetings, workshops and internal events.
• Provide assistance to visitors, internal stakeholders and senior leadership.
• Handle ad‑hoc operational and administrative requests to maintain efficient office operations.

Required profile

• Relevant experience as an Administrative Assistant, Executive Assistant, Secretary, Office Coordinator or similar role.
• Strong organisational skills with the ability to manage multiple priorities.
• Proven ability to thrive in a fast‑paced, ambiguous environment with high flexibility.
• Ownership mindset, accountability and a proactive, service‑oriented approach.
• Excellent interpersonal and communication skills.
• Fluent in English (mandatory) and conversational French (required).
• Ability to work under pressure, meet tight deadlines and handle urgent requests.

Required skills