Location: Mont-Saint-Guibert4/5°Start date: as soon as availableAs Accounting Assistant, you will play an active role in ensuring the accuracy and reliability of our financial records. Working closely with the finance team, you will manage day-to-day accounting operations, support periodic closings, and contribute to a wide range of financial processes in a dynamic, innovative environment.Your responsibilities• Record, verify, and post financial transactions (supplier invoices, supplier details, approvals follow-up, payment reminders).• Perform analytical reviews and reconciliations.• Support on monthly, quarterly, and annual closings.• Support preparing and submitting VAT, Tax, Intrastat, and other declarations.• Manage bank statement processing and reconciliations.• Ensure compliance with internal accounting processes.Your profile• Bachelor’s degree in accounting or equivalent qualification.• Minimum 3 years’ relevant experience in an accounting firm or similar role.• Expertise in Excel and experience with ERP systems (Microsoft Dynamics/Business Central experience is a plus).• Fluent in French with a good level of English (spoken and written).• Detail-oriented and passionate about accounting and figures.• Excellent communication skills and a strong team spirit.• Proactive, curious, structured, and rigorous in your work.• Able to plan, prioritize, and meet deadlines.• Autonomous, with a strong sense of ownership in your scope.Our offer• A 4/5 position within a high-potential innovative biotech company.• A human-sized, dynamic, and respectful working environment.• The opportunity to contribute to scientifically and commercially impactful projects.• An attractive salary package in line with your skills, experience, and responsibilities.