Generator Field Service Engineer

Thames Water Utilities Limited; United Kingdom; Hybrid; GBP 54,000; Full time

Job summary

A leading water utility company is seeking a Generator Field Service Engineer to maintain and optimise CHP engines across various sites. Candidates should have in-depth knowledge of internal combustion engines and experience in diagnostics. The role offers a competitive salary up to £54,000 annually, plus overtime opportunities and comprehensive benefits including pension and annual leave.

Benefits

Competitive salary

Opportunity for overtime

All PPE and tools provided

Contributory pension scheme

Generous annual leave

Health and wellbeing benefits

Qualifications

• Able to maintain, diagnose, repair and optimise performance of CHP engines.
• Experience with Natural/Bio/AD Gas engine systems is desirable.
• Ability to work autonomously or in a team environment.

Responsibilities

• Conduct planned and unplanned maintenance of CHP generators within a geographical region.
• Work with suppliers to ensure maintenance is carried out safely, minimizing downtime.
• Complete service records and reports accurately and timely.

Skills

In-depth knowledge of operation and maintenance of internal combustion engines

Ability to carry out diagnostics on engine systems

Good communication and interpersonal skills

Full UK driving licence

Education

NVQ/C&G or engine manufacturer's qualification in mechanical engineering

Electrical qualification

Tools

ComAp controls

DIA.NE controls

TEM Evo controls

Job description

Banbury - OX16 4RZ, Crawley - RH10 3NW, Deephams - Enfield, North London - N9 0BA, Mogden - Isleworth - TW7 7LW, Reading STW - RG2 0RP, Swindon - SN2 2DJ

Job title Generator Field Service Engineer Ref 40805 Division Asset Operations & Capital Delivery Location Banbury - OX16 4RZ, Crawley - RH10 3NW, Deephams - Enfield, North London - N9 0BA, Mogden - Isleworth - TW7 7LW, Reading STW - RG2 0RP, Swindon - SN2 2DJ Contract type Permanent Full/Part-time Full-time Hours 45 hours per week Monday-Friday. plus, the inclusion onto a on standby rota for which you will receive additional Payment. Salary Competitive salary offering up to £54,000 per annum depending on your experience level. Job grade A Closing date 09/10/2025

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 the 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 the order, lubricants, and waste.
• Demonstrating a zero-compromise attitude towards health, safety, and well-being in all aspects of work.
• 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.

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.

What you should bring to the role

To thrive in this role, the essential criteria you’ll need are:

• 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 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.

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 on call.
• Performance-related pay plan directly linked to company performance measures and targets
• Contributory pension – Defined Contribution - Maximum of 12% -2x employee contribution
• Annual Leave: 24 days holiday per year, increasing to 28 with the length of service (plus bank holidays)
• Generous Pension Scheme through AON.
• Generous Paternity Leave, including 4 weeks paid and an optional 2 weeks unpaid
• Enhanced Maternity Leave, 26 weeks full pay and 13 weeks half pay!
• 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.

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.

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’rehere 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.