FP&A Manager

Thames Water is on a bold transformation journey—and we’re looking for a forward-thinking Financial Planning & Analysis (FP&A) Manager to join our Central FP&A team at Thames Water. In this role, you will play a key part in partnering the business in achieving the long-term strategic and financial plans, providing critical insights and direction to support informed decision-making across the business.

This is an exciting opportunity to influence the financial future of the UK’s largest water company, ensuring we deliver sustainable performance and create long-term value for our customers, communities, and stakeholders.

What you’ll do as an FP&A Manager

Strategic Financial Planning

• Lead the development of a “driver-based” forecasting approach, increasing transparency between decision-making and financial outcomes, and enabling scenario planning.
• Support the Head of FP&A in challenging business assumptions and providing analysis to support key strategic decisions.

Financial Analysis & Insight

• Analyse financial and operational results to provide insightful commentary and recommendations to senior management.
• Present complex financial analysis in a clear, concise, and impactful way to senior stakeholders, including Executive-level audiences.

Process Improvement & Change Control

• Develop and embed a robust process for managing change control of long-term business plans, ensuring alignment with the annual budget and quarterly forecasting cycles.

Collaboration & Stakeholder Management

• Build and maintain strong working relationships with finance teams across the Group to ensure consistent, high-quality financial planning and analysis.
• Work collaboratively across business units to align financial outcomes with operational objectives.
• Influence decision-making through effective communication, clear presentation of financial data, and well-supported recommendations.

Base location – Hybrid – Reading, Clearwater Court

Working pattern – 36 hours, Monday to Friday

What you should bring to the role

Essential Experience

• Qualified accountant (ACA, ACCA, CIMA or equivalent).
• Proven experience in FP&A or strategic finance roles.
• Strong commercial acumen and ability to translate data into business strategy.
• Advanced Excel and PowerPoint skills; experience with SAP Analytics Cloud is a plus.
• Excellent communication and stakeholder management skills.

Desirable Experience

• Utilities, infrastructure, or construction sector background.
• Experience embedding financial systems or integrated planning tools.
• Change management or transformation project involvement.

What's in it for you?

This is a challenging, high-profile opportunity, joining a company going through a positive turnaround plan, working within a dedicated, talented and supportive team.

• Competitive salary- up to £80,000 per annum depending on experience.
• Car Allowance - £5,800.
• Private Health Insurance.
• Performance-related pay plan: directly linked to both company and individual performance.
• Annual Leave: 26 days holiday per year, increasing to 30 with the length of service. (Plus bank holidays).
• Contributory pension – Defined Contribution - Maximum of 12% -2x employee contribution.
• Personal Medical Assessments – Open to all once a year.
• Wider benefits scheme including our benefits hub, which is packed full of offers and information to save you money and support your wellbeing.

Find out more about our benefits and perks

Who are we?

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Learn more about our purpose and values

Working at Thames Water

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet.

Real purpose, real support, real opportunities. Come and join the Thames Water family. Why choose us? Learn more.

We’re committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process. If you need any adjustments, whether that’s extra time, accessible formats, or anything else just let us know, we’re here to help and support.

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues.

Disclaimer: Due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.