Your mission As Financial Systems Manager, you will own the vision, roadmap, and continuous evolution of our ERP (SAP S/4HANA Public Cloud) and related finance tools, such as Treasury Management Systems (TMS) and planning & forecasting platforms. You’ll go beyond project coordination - designing scalable system architecture, embedding best-practice finance processes, and guiding teams toward a self-service, data-driven ecosystem that empowers decision-making at all levels. Set the course Co-develop with IT a multi-year systems roadmap, balancing short-term operational requirements with long-term scalability and flexibility. Translate business objectives into clear system design principles for Finance & Accounting tools. Build for longevity Act as the Finance Business Partner for greenfield implementations, major ERP upgrades, and cross-system integrations. Define and enforce data governance standards, master data management policies, and system security protocols. Ensure seamless integration between SAP, TMS, planning software, and reporting tools (e.g., SAC, Power BI). Orchestrate collaboration Act as the primary liaison between Finance (Controlling, Accounting, Treasury) and IT, ensuring business needs are understood and translated into technical solutions. Facilitate end-to-end process reviews and align system workflows to achieve operational efficiency. Drive continuous improvement Conduct regular system audits to identify pain points, inefficiencies, and automation opportunities. Evaluate and implement process automation, AI-driven tooling, and workflow optimizations. Elevate capability Deliver user training, create documentation, and champion system adoption across Finance teams. Build a culture of continuous optimization through knowledge-sharing and change management initiatives. Your profile Core Experience 3 years working hands-on with ERP systems, ideally SAP S/4HANA Public Cloud in a Finance & Controlling context. Proven involvement in system implementations or major upgrades (ERP, TMS, or planning tools). Understanding of finance/accounting workflows (e.g., P2P, O2C, R2R, cash management). Technical & Process Skills Familiarity with integration concepts (APIs, middleware, data mapping) and reporting tools (SAC, Power BI). Experience with process automation or AI-driven finance solutions. Ability to translate business requirements into system configurations and functional specifications. Finance Knowledge Exposure to German GAAP and IFRS reporting standards. Understanding of treasury, cash flow forecasting, and liquidity management is a plus. Soft Skills Excellent communication in English; German at C1 level for reading regulations is advantageous. Strong stakeholder management and cross-functional collaboration skills. Structured problem solver with a proactive, ownership-driven mindset. About us IONITY is a joint venture of the car manufacturers BMW Group, Ford Motor Company, Hyundai Motor Group, Kia, Mercedes-Benz AG and Volkswagen Group with Audi and Porsche, along with BlackRocks Climate Infrastructure Platform as financial investor.