Executive Assistant at ARCADIUS

Job Description:

Latest job information from ARCADIUS for the position of Executive Assistant. If the Executive Assistant vacancy in Brussel matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at ARCADIUS for the position of Executive Assistant below matches your qualifications.

Our client is a well‑established Belgian family office in Brussels with a strong focus on long‑term value creation. Active across listed equities, private equity, venture capital and selective real‑estate opportunities, they operate with a clear commitment to trust, transparency and high‑quality relationships. As a small and dynamic team, they offer a human‑centered environment where professionalism, discretion and collaboration are key.

We are looking for a dynamic Office Manager / Executive Assistant, who thrives in a refined, fast-moving and highly professional environment. A true all-round position at the heart of the organization.

You ensure that the day-to-day operations run smoothly while supporting both senior leadership and colleagues across different activities.

Your responsibilities will include:

• Providing executive and personal assistant support to members of the organization
• Assisting the investment team with follow-up on their ongoing participations and documentation
• Managing administrative workflows and acting as the operational backbone of the office
• Handling payments, invoices, and basic accounting tasks
• Keeping internal systems up to date and ensuring documents are properly processed
• Coordinating travel, meetings, agendas and small events
• Ensuring the office is organized, efficient and welcoming at all times

This is a role with real ownership: you will be trusted to anticipate needs, take initiative and keep the organization running seamlessly.

• You bring 2–7 years of relevant experience in Office Management, Executive Assistance or a similar role
• You are fluent in French, comfortable in English, and able to work in Dutch
• You have a good understanding of basic financial or administrative processes and feel at ease working with numbers
• You communicate clearly, confidently and with natural ease across different levels
• You are proactive, organized, poised and able to work independently in a high-expectation environment
• You enjoy being part of a small, agile team where professionalism and reliability truly matter

You will join an established yet evolving environment where quality, trust and long-term collaboration guide the way of working. Expect a role with breadth, impact and visibility — one where your contribution genuinely makes a difference.

They offer a competitive compensation package aligned with your experience, as well as the opportunity to grow, learn and shape your role over time.

Communication, Organization Skills, Documentation, Highly responsible, Proactivity, Agile Methods, Office Management, Investment, Internal Systems, Work Streams, Administration, Billing, Management, Acting, Payment processing, Senior Leadership, Initiative taker, Accounting

JBRP1_BE

Job Info:

• Company: ARCADIUS
• Position: Executive Assistant
• Work Location: Brussel
• Country: BE

How to Submit an Application:

After reading and understanding the criteria and minimum qualification requirements explained in the job information Executive Assistant at the office Brussel above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.

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