Our client is an international manufacturing business who are currently looking to hire a Senior Cost Controller at group level to support their growing finance function in their Headquarters in the Siegen area. This is a fantastic opportunity to step into a high-impact role with responsibility across multiple international entities, working closely with senior management and operations. The Role Group-level cost controlling and performance analysis across international production sites Ownership of KPI reporting, cost analysis, and variance tracking Involvement in product costing, inventory valuation, and efficiency improvements Acting as a key business partner to operations and management Opportunity to support process improvements, reporting enhancements, and transformation projects Your Background 3-5 years' experience in controlling within manufacturing / industrial environments Strong understanding of cost controlling, KPIs, and production-related finance topics Experience with ERP systems (e.g. SAP) and data/reporting tools Must have fluent German and strong English skills Why Apply Group-level exposure across multiple international entities Opportunity to take on real ownership and visibility within the business Strong focus on process improvement and value creation Flexible working hours and a stable, international environment