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Thames Water is seeking a Generator Field Service Engineer based in Rickmansworth to maintain, diagnose and repair a fleet of CHP spark-ignition biogas engines across Thames Water sites. The role requires travel within the Thames Valley, strong mechanical and electrical fault-finding abilities, and a willingness to travel between locations.
The job offers a competitive package with 45 hours per week, standby rota, potential overtime, and excellent company benefits.
Based in Rickmansworth, this full-time post involves maintaining, diagnosing and repairing a fleet of Combined Heat and Power spark ignition biogas engines across Thames Water sites. The Generator Field Service Engineer travels throughout the Thames Valley, so candidates may reside anywhere in that region. Duties cover planned and reactive upkeep of generating equipment, working alongside existing CHP support staff and suppliers to keep every task safe and efficient. Applicants need strong mechanical and electrical fault‑finding abilities, plus willingness to journey between locations. A competitive package of £44,000 to £65,000 per annum is offered, dependent on skills and experience. 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 area.
Base Location – depending on your location, you can be based at any of our sites in the Thames Valley area.
Working Pattern – 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.
You must have the ability to operate and optimise assets using engine/generator controls, such as ComAp and DIA.NE and TEM Evo.
To be successful, you will have the following skills and experience: Ideally, NVQ/ C&G or an 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.
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 Wate r 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.
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.
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.