Title: Senior Operational Buyer Location: Warwick Contract: Full Time About the Role Randstad Sourceright is recruiting on behalf of Siemens Energy. We are looking for a solution-focused, analytical Senior Operational Buyer who thrives on working with large volumes of information, complex products, and diverse suppliers. This role requires someone confident in analysis, Excel, PowerBI, and a lean approach to procurement, who can work independently and deliver solutions rather than just operational tasks. Key Responsibilities You will work closely with internal stakeholders and Capability Managers to support: * Procurement & Supplier Management: Oversee a diverse supplier portfolio, drive part sourcing activities, negotiate price adjustments, and resolve invoicing or payment discrepancies. * Operational Efficiency: Manage workqueues, ensure timely PO issuance, and contribute to globally defined procurement methods, processes, and systems. * Internal Customer Collaboration: Partner with MRPCs and requisitioners to ensure excellent customer service and early engagement. * Supplier Development & Compliance: Support supplier qualification, evaluation, selection, and ongoing development, maintaining transparency and high procurement quality. * Documentation & Reporting: Maintain records, update supplier evaluation systems, and support Procurement Business Plan activities. Requ...