Senior Business Analyst in London

As a Senior Business Analyst – Digital Transformation, you will be responsible for leading Business Analysis activities across Thames Water's Digital Transformation domains. This includes driving requirements definition, supporting implementation programmes, shaping solution design, and ensuring high-quality analysis standards across projects. You will work closely with Programme Managers, Portfolio Leads, Business Analysts, Digital engineering teams, and Domain Leads to ensure opportunities are clearly defined, well-structured, and deliver value for customers, communities, and the environment.

What you’ll be doing as a Senior Business Analyst:

• Deliver high-quality Business Analysis across large-scale Digital and ERP programmes, including SAP S/4HANA, SAP ECC, and SAP SuccessFactors implementations.
• Lead requirements gathering activities by collaborating with stakeholders, documenting business processes, and translating these into clear, structured technical requirements.
• Analyse existing workflows to identify opportunities for improvement, ensuring alignment to best practice and supporting future-state design.
• Develop implementation plans including timelines, resourcing considerations, and alignment with SAP Activate methodology.
• Provide training and support to end-users to enable successful adoption of new systems and processes.
• Support the development of test cases and acceptance criteria to ensure requirements are validated and traceable.
• Build and maintain strong relationships across business units and Digital teams, tailoring communication to stakeholder needs and ensuring clarity of scope, intent, and outcomes.
• Champion initiative vision, facilitate alignment, and enable consensus by explaining complex concepts simply and effectively.
• Coach, mentor, and quality assure the work of Business Analysts, guiding best practice and supporting capability uplift.
• Apply Agile and Waterfall methodologies appropriately, supporting teams to work iteratively and deliver agreed minimum viable product (MVP) outcomes.
• Support project teams with prioritisation, decision‐making, and outcome visualisation to maintain momentum and clarity.
• Contribute to continuous improvement across the Business Analysis Community, promoting agile principles, service excellence, and consistent standards.
• Act as an escalation point for Business Analysts and project stakeholders, facilitating resolution of requirement‐related issues, risks, and delivery challenges.

Base Location: Reading, Clearwater Court – Hybrid

Working Pattern: 36 Hours

What you should bring to the role:

• Experience working in a Digital Business Analysis project environment.
• Proven track record supporting SAP HR/Payroll SuccessFactors implementations, ideally in utilities or regulated industries.
• Strong proficiency in HR and Payroll processes, ERP integrations, and the SAP Activate delivery framework.
• Experience in data governance, change management, supplier enablement, and mentoring or coaching others.
• Ability to present complex business or technical information clearly and simply at all organisational levels.
• Strong stakeholder management skills, able to set clear expectations, communicate scope and priorities, and maintain a customer‐centric mindset.
• Experience leading Business Analysis activities, including elicitation, evidence gathering, problem/opportunity identification, and ensuring alignment to strategic business objectives.

• BCS Diploma in Business Analysis or equivalent qualification.
• SAP SuccessFactors certification or equivalent hands‐on SAP Business Analysis experience.
• Proficiency in HR and Payroll processes, ERP integrations, and SAP Activate methodology.

• Ability to adapt to changing priorities, work independently, and manage varied workloads effectively.
• Expertise in Business Analysis practice with the flexibility to operate across Agile and Waterfall delivery models.
• Understanding of the Water Industry, including cultural and regulatory considerations.
• Experience working within both large and small project teams.
• Experience with Product-based delivery approaches and coaching others in product ways of working.

• Certification or experience with DevOps tools, processes, and methodologies.
• Management or Leadership qualification.
• Information Technology or related discipline qualification.

What’s in it for you?

• Competitive salary up to £70,000 per annum, depending on experience.
• Annual Leave – 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays).
• Performance‐related pay plan directly linked to both company and individual performance measures and targets.
• Generous Pension Scheme through AON.
• Access to a range of benefits to support health, wellbeing and finances, including annual health MOTs, physiotherapy and counselling, Cycle to Work schemes, shopping vouchers and life assurance.

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.

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.

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.