Unscheduled Service Technician - West Region

Closing date


Join the UK’s leading renewable energy generator of low carbon power from captured landfill and mineral methane. Infinis generates most of its electricity by capturing thousands of tonnes of methane from its sites and uses that resource to generate low carbon electricity.

We are making significant progress in our solar and battery storage operations, which means there’s plenty of opportunity for you to grow. We are committed to growth by investing in renewable electricity generation, and proud to support the UK’s journey to net zero by 2050.

About the role

You will be an expert at tackling breakdowns, rising to the challenge of fault finding, getting to the root cause of problems on our fleet of four stroke gas reciprocating engines. You will join a skilled breakdown team performing comprehensive corrective and preventative maintenance on our fleet of engines to ensure maximum availability of gas through trouble shooting and fault rectification. You must be competent at fault finding, stripping, and rebuilding engines to be a success in this role.

Your work will be allocated daily covering sites based in the Bristol, Swindon and Gloucester area. All we ask is that you can commit to a 4-week working shift pattern that includes two weekends with a full week off on week 5, giving you more time to spend doing what you love to do.

Job outline

  • Attend breakdown call outs to perform comprehensive engine strip and repairs on our fleet gas reciprocating engines, mainly Jenbacher and Caterpillar gensets
  • Identifying failures against agreed company technical standards, and raises work orders to allow the effective and efficient resolution
  • Monitor the work of contractors who attend the repair of power generation equipment, gas process plant and Balance of Plant
  • Ensuring that all work dispatched by the Logistics Centre is completed efficiently and to the required standard, reporting your location and job status on a timely basis
  • Document site visits, complete service reports, booking parts out in real time and reporting actual shortfalls to maintain van stock
  • Ensuring you are qualified and trained for the tasks you undertake and that you comply with the Company’s procedures, health, safety, quality and environment (HSQE) policies and relevant legislation
  • Ensuring all equipment and processes comply with legislation, permits and the company’s HSQE requirements.

Is this job for you?

  • Engineering, mechanical, vehicle, manufacturing, marine, plant, generator or agricultural mechanical maintenance experience or qualifications
  • Gas combustion engine knowledge on Jenbacher, Caterpillar or MWM engines, full training will be provided if you have mechanical engine rebuild experience
  • Experienced in stripping, repairing, and fault finding on engines to component level
  • Hold a full UK driving licence, preferably with field-based experience.


  • Competitive salary plus bonus – target up to 15% paid quarterly and annually
  • 25 days annual leave, plus bank holidays
  • Pension scheme with 6% employer contribution
  • Company van & fuel card which can be used for personal use
  • Green benefits offering a discount on domestic solar panels & EV car charging points
  • Employee Assistance Programme, including an app which enables virtual appointments with GP's and mental health counsellors.

Why Infinis?

Our company vision is simple, but very powerful. We’re focused on generating a low carbon future. That’s all about making the most of clean, emission-free generating technology, and reducing any indirect emissions that come from our supply chain.

At Infinis, we believe that success is achieved through a culture of passion and engagement. We aim to reduce inequalities, foster diversity and inclusion in our workforce, and give back to our communities.

Related topics

Engineering career path

Life at Infinis


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