Power Resilience is critical to Thames Water's ability to provide safe, reliable services to millions of customers. We are expanding our Power Resilience capability to enhance how power is planned, maintained and improved across our operations. We are looking for talented individuals to join this growing team and help build a coordinated, data-led approach to managing Power Resilience across Thames Water.

What you’ll be doing as a Maintenance Supervisor:

The Maintenance Supervisor will ensure that auxiliary power assets are operationally ready by supervising and coordinating the day-to-day activities of contractors delivering power maintenance services. In this role you will ensure activities are completed safely, to the required quality standards and in line with resilience objectives.

As Maintenance Supervisor you will be responsible for identifying risks, ensuring all power maintenance records are maintained and escalating issues or non‑compliance to team leaders.

This is a unique opportunity to contribute to a critical area of UK infrastructure and make a meaningful difference to customer outcomes and environmental protection. As the team grows, members will help shape future ways of working and bring their expertise to create lasting impact across Thames Water.

Base location: Location can be flexible for both London or Thames Valley (e.g., Hampton, Mogden, Reading & Basingstoke)

Working pattern or hours: 36 Hours per week (Monday to Friday)

Key responsibilities:

  • Quality and Compliance: You will check the quality of completed maintenance work, ensuring compliance with procedures, safety standards and service requirements.
  • Contractor Oversight and Support: You will provide guidance and support to contractor teams, fostering a culture of high performance and continuous improvement.
  • Problem Solving: You will use judgement and analysis to resolve issues, escalate concerns and optimise resource use.
  • Communication and Stakeholder Coordination: You will exchange information with contractors, colleagues and stakeholders with tact and diplomacy to support smooth on‑site delivery and timely issue resolution.

What you should bring to the role?

  • Experience supervising or coordinating contractor teams in mechanical engineering and/or maintenance.
  • Strong understanding of maintenance procedures and safety standards.
  • Demonstrable experience in quality checking, compliance monitoring and escalation.
  • Further qualifications in contract management or asset management (desirable).

The essential criteria to help you succeed in this role is:

  • Good understanding of mechanical engineering concepts and maintenance procedures.
  • IT literacy for record keeping and reporting.
  • Full UK Driving License.

What’s in it for you?

  • Offering a salary between £38,000 to £50,000 per annum, depending on skills and 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 company performance measures and targets.
  • Generous Pension Scheme through AON.
  • Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

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.