Are you an experienced, strategic procurement professional ready for a new challenge? DarcyBrook Procurement and Supply Chain is partnering with a dynamic client in Central London to recruit a commercial and forward-thinking Senior Buyer.In this senior position, you will take full ownership of the procurement lifecycle-from initial RFQ to final delivery. Managing global supplier relationships and driving cost efficiencies, you will be a key player in optimising our supply chain. This is a fantastic opportunity for a senior professional looking to drive impactful change in a fast-paced environment that offers a clear trajectory for career progression and a highly rewarding bonus scheme.Key ResponsibilitiesCritical Path Management: Take full accountability for managing the end-to-end critical path from initial enquiry and RFQ through to final delivery, ensuring all project timelines and milestones are met.RFQ Execution: Launch, manage, and analyse complex RFQ (Request for Quote) processes to secure the most competitive pricing and commercial terms.Strategic Supplier Management: Identify, strategically evaluate, and onboard high-performing global suppliers while proactively managing and strengthening existing international vendor relationships.Commercial Negotiation: Lead high-value negotiations regarding pricing, payment terms, and lead times to maximise profitability and cost efficiency without compromising on quality.Cross-Functional Coordination: Collaborate closely with int