ADMINISTRATION MANAGER (Finance, Purchasing & HR)Our Client is a fast-growing startup that develops cutting-edge software. With deployments across Europe, the Americas, and Asia, and over 50% annual growth.To support their growth we are looking for a structured and versatile Administration Manager who can ensure the day-to-day internal operations run smoothly and support the leadership team.As our Administration Manager, your main responsibilities will include:- Management of client and supplier invoicing- Preparation of payments and coordination with external accounting partner- Monitoring budgets and administrative dashboards- Office logistics and supplies oversight- Tracking absences and leaves- Preparing payroll inputs and liaising with the social secretariat- Managing administrative onboarding, contracts, and compliance documents- Contributing to continuous improvement of internal processesTo be successful in this role, you will need:- A degree in management, accounting, or human resources- Proven experience in a multi-task administrative role, ideally in SMEs or startups- Excellent organizational skills, rigor, and autonomy- Fluency in French and a good command of English- A service-oriented mindset with strong interpersonal skillsOffer:- A competitive salary package including benefits- A varied role in a dynamic, human-sized company- Flexible work schedule (4/5 possible) and 1-day remote work/week- Office located in Waterloo, Belgium, with easy parkingIf you are driven by the desire to support smooth operations and contribute to a growing team, and if you have the experience to work in a fast-paced environment, we’d love to hear from you.