Generator Field Service Engineer

As a Generator Field Service Engineer based in London, you will maintain, diagnose, and repair a fleet of Combined Heat and Power (CHP) spark ignition biogas engines across Thames Water sites. This full-time role offers a competitive salary between £44,000 and £65,000, dependent on experience. You will perform planned and unplanned maintenance, collaborating with CHP support staff and suppliers to ensure safe operations.

Key skills include expertise in engine diagnostics, mechanical repair, and performance optimisation. Travel across the Thames Valley and London area is required, so flexibility is essential. This position is suited for engineers with strong technical knowledge of biogas systems. 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.

• 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.
• Complete 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.
• 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.

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 Com Ap and DIA.NE and TEM Evo.

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 Com Ap 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.

• Competitive salary between £44,000 to £65,000 per annum depending on skills and experience.
• Standby rota payments & Overtime opportunities can increase this earning potential by up to a further £13,000 - £15,000 per annum upon completion of essential company training.
• Performance‑related pay plan directly linked to company performance measures and targets.
• 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.
• 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…