Senior Category Buyer Professional Services Reference: (phone number removed) Umbrella Rate: £40.87/hr (Inside IR35)6 month initial contractAre you ready to elevate your career in procurement and make a significant impact within a dynamic and forward-thinking organisation? This is your chance to step into the role of Senior Category Buyer for Professional Services, where you ll lead strategic sourcing initiatives, optimise supplier relationships, and drive innovation within a diverse portfolio of Professional Services categories. With a focus on transformation and excellence, this opportunity offers a platform to showcase your expertise and contribute to an inspiring work environment.What You Will Do:• Develop and deliver Strategic Category Plans, translating business needs into actionable strategies while conducting detailed spend analytics and market intelligence assessments. • Lead end-to-end sourcing events, applying Total Cost of Ownership principles and value-based procurement to achieve optimal outcomes. • Manage complex negotiations, including contractual, commercial, and delivery-based elements, in partnership with legal experts. • Drive supplier relationship management by developing performance frameworks, conducting regular reviews, and identifying opportunities for innovation and productivity improvements. • Build strong, trusting relationships with stakeholders, acting as a commercial advisor to senior leadership and supporting business case development. • Ensure