* Manage time-sensitive invoicing tasks: converting opportunities into accurate invoices * Maintain correct project data in CRM and follow up on documentation * Provide administrative support for client engagements (proposals, billing status…) * Schedule meetings and coordinate logistics where needed * Handle internal and external communication on behalf of partners * Ensure timely follow-up of financial items, hours and expenses * Collaborate closely with finance and business support teams✔ Minimum 2 years of experience as Executive Assistant, Finance Assistant or similar ✔ Experience in invoicing, billing coordination or finance admin - must have ✔ Strong knowledge of MS Office & CRM tools ✔ Fluent in English + good level of French or Dutch ✔ Experience in consulting or a Big 4 environment = strong asset ✔ Hands-on, accurate and comfortable taking initiative ✔ Able to work both independently and in a supportive team environment ✔ Available immediately for a temporary assignment of min 3 months✨ Work in a highly professional international consultancy environment ✨ Hybrid working possibilities (2-3 home office days/week) ✨ A role where your accuracy and ownership make a real impact ✨ Competitive compensation aligned with experience