ATB Therapeutics is a Biotech company developing a cutting-edge technology to produce a new kind of targeted therapy designed to treat cancers and auto-immune diseases. ATB Therapeutics has two Belgian R&D sites located in the Novalis Science Park (Marche-en-Famenne) and the VIB incubator (Ghent). The company closed a successful Series A financing round of Euro 54 million in November 2024, and is backed by leading European and US investors.

To support our growing team, we are looking for a Manager Financial Planning & Accounting to join us in Ghent, helping us to smoothly run our finance processes. We are looking for a great, enthusiastic team player with an eye for detail and a knack for numbers. As Manager Financial Planning & Accounting at ATB Therapeutics, you will be responsible for the full accounting cycle and play a hands-on role in Financial Planning & Analysis (FP&A).

You will act as a finance business partner to management, providing forward-looking financial insights, supporting strategic decision-making, and helping professionalize finance processes in a scaling, R&D-driven environment. This role combines strong accounting ownership with increasing FP&A exposure and is ideal for someone who enjoys building structure while remaining operationally involved.

Responsibilities

as the company scales toward Series B and beyond. This position is ideal for a professional with strong analytical skills and experience in a dynamic, international environment. This is what you will be working on: Oversee the full accounting cycle, including Accounts Payable, Accounts Receivable, and General Ledger.

Manage month-end and year-end closing activities, including balance sheet reconciliations and statutory reporting. Prepare and review financial statements in compliance with IFRS and local GAAP. Develop, implement, and maintain accounting policies, procedures, and internal controls appropriate for a scaling biotech.

Coordinate with external auditors, tax advisors, and other external stakeholders. Support ERP implementation, process automation, and data quality improvements. Lead and further develop the budgeting and forecasting process, including scenario planning (base / upside / downside).

Prepare management reporting, dashboards, and KPIs tailored to a biotech/R&D context (cash burn, runway, project spend, headcount). Monitor actuals vs. budget and provide variance analysis with clear explanations and actionable insights.

Support cash flow forecasting, cash runway analysis, and funding preparation (Series B readiness). Partner closely with R&D, operations, and leadership to support resource allocation and investment decisions. Contribute to long-term financial planning, including capacity scaling and organizational growth.

Requirements

: Bachelor’s or master’s degree in Finance, Accounting, or Economics. Minimum 4–6 years of relevant experience in accounting, audit, or FP experience in a scale-up, biotech, or R&D-driven environment is a strong asset. Solid grounding in accounting principles and financial reporting combined with strong analytical skills.

Demonstrated experience with budgeting, forecasting, and management reporting. g. SAP, Oracle, NetSuite) and implementation or optimization projects.

Advanced Excel skills; familiarity with BI or automation tools is a plus. Ability to translate financial data into clear messages for non-financial stakeholders. Proactive, structured, and comfortable operating in a fast-growing, evolving organization.

Fluent in English; experience with multi-currency, VAT/GST, and international operations is a plus.