Senior FP&A Controller (m/f/d)

As a Senior FP&A Controller , you will play a key role in driving the company´s financial planning, forecasting and performance analysis process. This is a highly operational and hands-on role with a clear focus on FP&A-excellence , ensuring high-quality financial transparency and actionable insights for decision-making. You will work closely with the Head of Controlling and business stakeholders across the organisation to translate operational performance into financial outcomes. Your work will directly influence short- and mit-term steering of the business by delivering reliable forecasts, deep-dive analyses and clear financial narratives. What is your Day to Day Mission: Financial Planning & Forecasting • Support and drive the annual budgeting process across departments • Maintain and continuously improve the rolling forecast, ensuring accuracy and timely updates • Prepare mid-term financial plans and support long-range planning processes • Develop and run scenario analyses (e.g. sensitivities, what-if analyses) to support business decisions Operational Performance Reporting & Insights • Establish and drive operational reporting cadences, including weekly KPI check-ins with key stakeholders • Monitor financial and operational KPIs, ensuring full transparency on performance, risks, and opportunities • Perform ongoing variance and trend analyses based on latest operational data and forecasts • Translate data into clear, actionable insights to support timely decision-making • Support the preparation of ad-hoc analyses and management updates outside of formal MEC reporting cycles Business Partnering • Act as a financial partner to selected departments, supporting them in planning and performance tracking • Challenge assumptions and provide financial guidance to improve decision-making • Build financial models and business cases (e.g. cost initiatives, investments, headcount planning) Data, Tools & Processes • Work with and further develop planning and forecasting tools (e.g. Anaplan) • Ensure data consistency between FP&A tools, BI systems, and ERP • Contribute to the automation and standardisation of FP&A processes • Improve data quality and reporting efficiency on an ongoing basis What you bring to the team: • Have 4–7 years of experience in FP&A / Controlling, with a strong operational focus • Have hands-on experience in budgeting, forecasting, and financial modelling • Are confident working with modern planning tools (Anaplan is a strong plus) • Have strong analytical skills and attention to detail, combined with a business mindset • Are able to translate complex data into clear insights and recommendations • Are comfortable working in a dynamic, fast-paced environment • Communicate effectively with both finance and non-finance stakeholders • Are fluent in English (German is a plus) Nice to Have • Initial leadership or mentoring experience, or strong motivation to take on leadership responsibility • Experience in a scaling or transformation environment • Exposure to BI tools (e.g. Power BI, Tableau) • Basic knowledge of data analysis tools (e.g. SQL, Python) • Professional qualification (e.g. CIMA, ACCA) What Success Looks Like • Accurate, reliable, and forward-looking forecasts and financial plans • High-frequency, transparent operational performance tracking enabling fast decision-making • Strong collaboration with business stakeholders, enabling better performance steering • Readiness to take on leadership responsibility as the team expands • Continuous improvement of FP&A processes, tools, and data quality Why Quantum-Systems: • We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus. • We are industry pioneers who are ambi