Job Description

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Field Service Engineer - Power Generation

About us

Infinis is the UK's leading renewable energy generator of low-carbon power from captured methane. We convert methane gas from landfill sites and disused mines to electricity. Our sustainable energy expertise also extends to solar and battery energy storage (BESS) technology.

This work helps reduce greenhouse gas emissions on climate change and provides secure, efficient local power generation. Infinis is supporting the energy transition to net zero. We are committed to innovation, environmental responsibility, and providing safe and efficient local energy solutions.

If you're passionate about

engineering, sustainability, and power generation,

this is your opportunity to thrive in a forward-thinking company. With the demand for renewables set to rise, the energy industry is a great place to build your career.

About the Role

Join our expert operations team and play a pivotal role in ensuring the safe, efficient, and reliable operations of our gas reciprocating engines and associated plant equipment. You will play a key role in identifying early signs of faults, conducting diagnostics, and carrying out both reactive and planned maintenance to minimise engine downtime across our range of site-based power generation plants. This ensures our fleet operates at peak performance, supporting the continuous delivery of flexible power generation.

Working in a collaborative, safety-first environment, you'll contribute to operational excellence and innovation. Ideally, you'll bring experience in power generation or industrial maintenance--particularly with gas reciprocating engines--and demonstrate strong fault-finding skills and a proactive approach. If you have hands-on experience stripping and rebuilding engines across agricultural, marine, or industrial sectors, we still want to hear from you.

Location

: This role will primarily serve sites in

Corby, Bletchley, Bedford and the Stewartby area,

Monday-Friday, day shift only,

with a 1/8 paid call-out week,

where you would cover sites anywhere in the region.

Key Responsibilities

The Engineer role will entail working as part of an Operational Team, completing works in line with current KPI's and quality management procedures, encompassing:

Adhere to

HSQE regulations

, report incidents, and take proactive measures to prevent accidents or compliance breaches Perform

preventive, corrective, and reactive maintenance

, including engine overhauls, to ensure the safe and efficient operation of our sites Conduct

diagnostics and troubleshooting

on assets experiencing recurring trips or performance challenges to prevent engine downtime or breakdowns Respond promptly to

out-of-hours callouts

, effectively diagnosing and restoring equipment functionality Ensure all tasks assigned by the

Operations Performance Team

are completed safely, efficiently, and to the highest standards Complete

detailed service reports

of site visits, ensuring compliance with company protocols Manage

van stock inventory

, book out parts used, and ensure tools remain calibrated and in safe working order Engage in a culture of

continuous improvement

, attending training courses and contributing to operational innovation

About you

NVQ Level 3 or City & Guilds qualification in Mechanical Engineering, or a similar mechanical discipline Safety-conscious with a proactive attitude towards health and safety Experience with four-stroke gas engines or similar systems is highly desirable Proven experience in engine maintenance, repair, and performance optimization Experience working on low-voltage electrical systems with an understanding of base load or power response would be advantageous Ability to diagnose, troubleshoot, and resolve mechanical issues efficiently Familiarity with engine performance optimisation, safety standards, and preventive maintenance practices Full UK manual driving licence, preferably with field-based experience Ability to travel to sites across the South East region during the call-out week

What we offer

Competitive salary

with up to

15% bonus

, paid quarterly & annually

Company van & fuel card

, plus tools, uniform, laptop, and mobile phone Domestic solar, battery, and EV charger funding scheme

Employee Assistance Program

that offers virtual GP appointments

Cycle-to-work scheme

and

eye care vouchers

Community volunteering days

to give back to the local area.

25 days

of annual leave,

plus bank holidays

Company pension scheme

with

6% employer contribution

Sick pay

eligibility after a qualifying period
We value

diversity and inclusion and encourage

applications from

underrepresented groups

. We believe diverse teams develop better solutions.

That's why we actively encourage women engineers to apply and thrive in our inclusive, safety-first environment.

Recruitment Notice for Agencies

We work with a

Preferred Supplier List

of trusted recruitment partners who comply with

our company's terms and conditions

. We do not accept unsolicited introductions, and no fees will be applied for direct candidate contacts. We appreciate your understanding and adherence to our recruitment policy.

Job Types: Full-time, Permanent

Benefits:

Company pension Cycle to work scheme Health & wellbeing programme Referral programme Sick pay
Application question(s):

Strong Mechanical Knowledge of Engines: You must have a solid understanding of how engines work, including their components, operation and maintenance. Experience with four-stroke gas engines or similar systems is highly desirable.
Ability to diagnose, troubleshoot, and resolve mechanical issues efficiently.

Work authorisation:

United Kingdom (required)
Willingness to travel:

100% (preferred)
Work Location: On the road