Project Manager

Pertemps; Old Warren; Hybrid; GBP 60,000 - 70,000; Full time

Job summary

A leading water and wastewater company in the UK is seeking an experienced Project Manager to spearhead the implementation of SAP SuccessFactors for HR and Payroll systems. This role involves leading the project, managing internal stakeholder relationships, and ensuring successful delivery. A degree in Business or IT and strong experience in SAP implementations are essential. Competitive salary up to £70,000 plus extensive benefits.

Benefits

Up to £70,000 salary

26 days holiday

Performance-related pay plan

Generous Pension Scheme

Health and wellbeing benefits

Qualifications

• Experience in leading SAP HR/Payroll implementations.
• Proficiency in ERP integrations and HR and Payroll processes.
• Ability to lead cross-functional teams and manage third-party partners.

Responsibilities

• Lead the end-to-end implementation of SAP SuccessFactors.
• Build strong relationships with internal stakeholders.
• Oversee data migration, cleansing, and validation.

Skills

Stakeholder management

Communication skills

Data governance

Change management

Problem-solving

Education

Degree in Business or IT

SAP SuccessFactors certification

Project Management qualification

Tools

SAP SuccessFactors

SAP Activate methodology

Job description

Overview

At Thames Water, we deliver life’s essential service so our customers, communities, and the environment can thrive. Every day, we supply 2.6 billion litres of clean water and manage wastewater for 16 million customers through a network of 32,000 km of pipes across London and the Thames Valley.

We’re on an exciting journey to modernise the way we work, and digital transformation plays a huge part in this. By joining us, you’ll be at the heart of one of the UK’s most ambitious programmes to transform how we deliver for our colleagues, customers, and communities.

What you’ll be doing as a Project Manager

We are embarking on a major transformation of our HR and Payroll systems with the implementation of SAP SuccessFactors. To lead this journey, we’re looking for an experienced Project Manager who will spearhead the end-to-end deployment of this pivotal ERP solution.

• Lead the end-to-end implementation of SAP SuccessFactors for HR and Payroll.
• Actively engage in programme resources and establish delivery plans, governance, and risk controls.
• Apply the SAP Activate methodology to structure, guide, and monitor delivery.
• Build strong relationships with internal stakeholders across People, Finance, Digital, Commercial/Procurement, ERP Programme, and senior leadership.
• Act as the main interface with our System Integrator to ensure delivery and alignment.
• Develop and execute a business change strategy, including supplier enablement, training, and employee portal adoption.
• Oversee data migration, cleansing, transformation, and validation, ensuring business sign-off.
• Ensure smooth integration with existing ERP and People systems.
• Define, monitor, and report on KPIs and benefits realisation aligned with programme objectives.

Base location: Hybrid - Clearwater Court - RG1 8DB

Working hours: 38.5 hours, Monday to Friday

What you should bring to the role

Essential:

• Degree in Business, IT, or related field.
• SAP SuccessFactors certification or equivalent hands-on implementation experience.
• Track record of leading SAP HR/Payroll SuccessFactors implementations, ideally within utilities or regulated industries.
• Proficiency in HR and Payroll processes, ERP integrations, and SAP Activate methodology.
• Strong stakeholder management and communication skills at all levels.
• Experience in data governance, change management, and supplier enablement.
• Proven ability to lead cross-functional teams and manage third-party partners.

Desirable:

• Project Management qualification (e.g., PRINCE2, PMP)
• Skilled in applying change management frameworks.
• Strategic thinker with the ability to align technology to business goals.
• Strong problem-solving skills and ability to influence at all levels.
• Collaborative leader who can coach, mentor, and inspire high-performing teams.

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 benefits to support health, wellbeing, and finances – including health MOTs, physiotherapy, counselling, Cycle to Work schemes, shopping vouchers, and life assurance.

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.