Salary: £100,000 - 100,000 per year Requirements: A strong track record of leading large, complex operational and commercial teams. Demonstrable experience of forecasting, revenue/cash performance and influencing senior stakeholders. Proven success in shaping and delivering significant organisational or customer-focused change. Strong commercial judgement, with experience of P&L, budgeting or financial accountability. Excellent relationship-building skills, with the ability to influence externally as well as internally. A passion for customer outcomes and the drive to improve service, data quality and efficiency. Leadership that motivates, empowers and grows high-performing teams across multiple environments. A curious, resilient mindset; someone who embraces challenge, champions continuous improvement and brings people along with them. Knowledge of the non-household water market is an advantage, but not essential. Responsibilities: Define and deliver the strategy for forecasting and recovering non-household wholesale income, protecting and enhancing c.£800m annual revenue. Lead the transformation and delivery of BRMEX performance, ensuring sustained improvement aligned to business commitments. Drive excellent service for our retail partners through effective service request management, complaint resolution, SLA delivery and continuous improvement. Build trusted, influential relationships with retailers, MOSL, trading parties, and market groups. Lead large onshore and offshore operational teams, creating a high-performance, collaborative, coaching-focused culture. Ensure compliance with changing market codes and system requirements, acting as a champion for digital, data and process modernization. Drive business readiness for change, embedding improvements that reduce cost, improve service and strengthen operational resilience. Technologies: Support More: At Thames Water, we serve over 16 million customers and are dedicated to building a more transparent and resilient future for the water industry. We are looking for an exceptional leader for the Head of Wholesale Market Services role, responsible for leading our WMS function with significant commercial, regulatory, and operational impact. This position offers a competitive salary ranging from £92,220 to £128,000, along with various benefits including 26 days of annual leave, a generous pension scheme, and private medical care. We embrace diversity, inclusivity, and support throughout the recruitment process, providing meaningful career opportunities and flexible work arrangements. Join us in making a difference for millions and creating a sustainable future. last updated 7 week of 2026