Job Description

We currently have a great opportunity for you to join our waste treatment team as a Generator Field Service Engineer. As a successful candidate, your role will be to maintain, diagnose, repair and optimise the performance of a fleet of Combined Heat and Power (CHP) spark ignition biogas engines located across various Thames Water sites.



Due to the nature of this role with travelling in the Thames water area, the ideal candidate can be based anywhere in the Thames Valley and London area.

What you'll be doing as a Generator Field Service Engineer

To carry out the planned and unplanned maintenance of the fleet of CHP Spark Ignition generators within a geographical region, but not limited to. Work with current CHP support staff and suppliers to ensure all maintenance is carried out safely, with the least possible downtime and within budget. Completed service records and reports in an accurate and timely manner. Identification of parts required for order, lubricants, and waste. Demonstrating a zero-compromise attitude towards health, safety, and well-being in all aspects of work. Ensuring excellent customer service. Working to benefit other team members with Skills from the product training.

Base Location - depending on your location you can be based at any of our sites in the Thames Valley, Home counties and the London area.



45 hours per week, Monday-Friday. Plus, there is the inclusion of a standby rota for which you will receive additional payment. Plus, there is the opportunity to earn overtime at time and a half or double rates.

What you should bring to the role

In-depth knowledge of all aspects of the operation and maintenance of internal combustion engines. Ability to carry out thorough, comprehensive, and methodical diagnostics on engine, generator and associated systems. Ability to operate and optimise assets using engine/generator controls, such as ComAp and DIA.NE and TEM Evo. Competent to work to a high level of quality, alone or as part of a team.

To be successful, you will have the following skills and experience:

Ideally, NVQ/ C&G or engine manufacturer's qualification in mechanical engineering. Electrical qualification is an advantage but not essential. Proven working 'hands-on' experience working with internal combustion engines and associated systems. Natural / Bio / AD Gas engine, CHP, and gas system experience is desirable but not essential. Good communication and interpersonal skills are required. Full UK driving licence.

What's in it for you?

Competitive salary offering up to 54,000 per annum depending on your experience level. Opportunity to earn overtime at time and a half or double rates. All PPE and tools plus the provision of a van when on duty and call. 24 days holiday per year increasing to 28 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. The wider benefits scheme includes our benefits hub, which is packed with offers and information to save money and support your well-being.

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 daily relying on us 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 fast-tracked career opportunities, flexible working arrangements and excellent benefits.



Whether you're interested in a role in one of our call centres or science labs, we're looking for people like you with real passion and a burning desire to make things better.



So, 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.



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



Our overarching aim is to ensure that Thames Water is a great, diverse and inclusive place to work. We welcome applications from everyone and offer extra support for those who need it throughout the recruitment process. We aim to remove any real or perceived barriers to success, so if you need assistance, we're here to help and support you.



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, meet colleagues and earn some extra money along the way.

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.