Erp Change Lead Ariba

Change Lead – SAP Ariba Transformation Programme Fixed Term Contract.

Help shape the future of Thames Water through one of our most significant transformation programmes.

Thames Water are looking for an experienced Change Lead on a fixed term contract until December 2027 to drive the people side of change for the implementation of SAP Ariba, a key part of Thames Water's £30m SAP ERP Cloud Apps Programme. This is an exciting opportunity to lead business wide transformation, influencing how teams across Procurement, Commercial, Finance and the wider organisation adopt new ways of working and realise the benefits of a modern ERP platform.

• Lead and deliver the change management approach for the SAP Ariba implementation.
• Develop stakeholder engagement, communications and business readiness plans.
• Assess and manage change impacts across processes, systems, roles and behaviours.
• Build and support a network of Change Champions across the business.
• Partner with functional teams to develop training strategies and adoption plans.
• Monitor change readiness, engagement and adoption metrics.
• Identify and mitigate change‑related risks and issues.
• Support go‑live activities and post‑implementation adoption.

• Proven experience leading change management within large‑scale transformation programmes.
• Experience supporting ERP implementations, ideally SAP Ariba.
• Strong stakeholder engagement and communication skills, with the ability to influence at all levels.
• Expertise in change impact assessment, communications, training and business readiness.
• Knowledge of recognised change methodologies such as Prosci, ADKAR or equivalent.
• Experience working across complex organisations with multiple stakeholders and third‑party partners.
• A recognised Change Management qualification (Prosci, CCMP or equivalent).

This is a unique opportunity to play a key role in a major business transformation programme, helping to shape the future of Thames Water while working with senior leaders and diverse teams across the organisation. You'll have the chance to drive meaningful change, influence strategic outcomes and leave a lasting impact on how we operate.

If you're a passionate change professional who enjoys bringing people on the transformation journey and delivering lasting business benefits, we'd love to hear from you.

• A starting salary of £70,000 per annum.
• 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays).
• Car Allowance.
• Annual Bonus.
• Private Medical Health Care.
• Performance‑related pay plan directly linked to company performance measures and targets.
• Access to benefits to support your health, wellbeing and finances, including annual health MOTs, access to physiotherapy and counselling, Cycle to Work schemes, shopping vouchers and life assurance.