Unscheduled Service Technician – South Region – (Breakdowns/Shift work)

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 landfill sites and uses that resource to generate low carbon electricity.

We are making significant progress in diversifying our portfolio of flexible and renewable generation sites with solar and battery storage operations and we are committed to the delivery of a low carbon future and supporting the UK’s journey to net zero.

About the role

You will be an expert at tackling engine breakdowns, rising to the challenge of fault finding, getting to the root cause of problems on our fleet of four stroke gas combustion engines. You will be confident in stripping and rebuilding engines to ensure maximum availability of gas and related plant through trouble shooting and fault rectification.

If you have experience repairing and rebuilding petrol or diesel engines, generators, or mechanical plant equipment, this is an ideal opportunity for you to join Infinis and build your career with a successful and growing company. This role would suit you if you are ex forces and have a REME background.

This is a field-based role attending breakdowns, your work will be allocated daily covering sites based in the Warwickshire, Bedfordshire, Norfolk, Essex and Kent area.

All we ask is that you can commit to a 5-week working shift pattern that includes 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, 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?

  • You have experience working on 4 stroke internal combustion engines or are competent at fault finding, stripping, repairing, and rebuilding engines
  • Experience working on Jenbacher, CAT, MWM, Perkins, MTU or CHP engines would be an advantage
  • You have strong mechanical knowledge and aptitude for troubleshooting and repairing equipment
  • You are safety conscience with strong problem-solving skills
  • You have a full UK driving license, preferably with field based work experience
  • You are confident using a laptop and completing online reports
  • The shift start times are 5am, 8am, 11am and 3pm with every 5th week as a rest week including 2 weekends
  • Hold a full UK driving license, 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 Assist 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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