Assume strategic responsibility for procurement, in particular for indirect materials and services in the field of battery recycling., Ensure that all procurement processes run efficiently, cost-effectively and on time., Develop comprehensive product group strategies, conduct negotiations and implement framework agreements., Develop a sustainable and value-adding supplier base to ensure the company's long-term competitiveness., Carry out market analyses, accompany RFI and RFQ processes and develop targeted procurement strategies based on these., Review, analyze and optimize technical specifications in order to develop procurement alternatives., Prepare, conduct and follow up on supplier negotiations, contract drafting and supplier audits., Responsible for the management of ad-hoc procurements and the strategic management of contract disruptions to ensure the continuity and resilience of the supply chain., Responsible for strategic and operational categories and for optimal procurement in terms of costs, quality and adherence to deadlines.