Executive Assistant / Administrative Officer

Our client is an established and fast-growing architecture firm with a strong presence in Belgium and an expanding international footprint. They offer a dynamic work environment where each day brings something new. The Brussels office is looking for a proactive and versatile Executive Assistant / Administrative Officer to support day-to-day operations and ensure the smooth running of the team.

What you’ll do as an Executive Assistant / Administrative Officer:

In this multifaceted role, you’ll act as a key support for both partners and project architects, while also taking ownership of the administrative coordination of the office.

Your responsibilities will include:

• Managing administrative tasks such as document handling, call management, scanning, filing, and processing incoming/outgoing mail
• Coordinating logistics: ordering supplies, overseeing deliveries, scheduling meetings, welcoming guests, and managing agendas
• Assisting with the preparation and administrative follow-up of public tenders and insurance documentation
• Supporting internal communication and event organisation (team events, office celebrations)
• Assisting with HR procedures and onboarding new employees
• Providing general administrative support to the architecture team and acting as a liaison between departments

What you bring as an Executive Assistant / Administrative Officer:

We’re looking for a candidate who is highly organised, solution-oriented, and thrives in a dynamic, fast-paced environment. Someone who is confident, service-minded, and able to handle a wide range of responsibilities with autonomy.

Your qualifications:

• Minimum 7 years of experience in a similar administrative or executive support role
• Previous experience in an architectural, technical, or project-based environment is a plus
• Strong communication skills in French and Dutch, and a good understanding of English
• Solid skills in MS Office (Word, Excel, PowerPoint, Outlook)
• Able to prioritise, multitask, and maintain structure under pressure
• Diplomatic, discreet, and team-oriented with a proactive mindset

What they offer for the Executive Assistant / Administrative Officer role:

• An engaging role in a growing international company with a human touch
• A supportive and creative team atmosphere
• Easily accessible offices in Brussels
• A full-time contract
• Collective holidays during the construction period (July) and end-of-year closure
• Opportunities for growth and involvement across multiple areas: office management, HR, events, operations, and more

What’s next

Does this sound like your next step? Apply now and become part of a collaborative, fast-moving team where your versatility and initiative will truly make a difference.

Robert Walters is the trading name of Robert Walters People Solutions NV. All legal requirements can be found here.