Field Engineer

JR United Kingdom; Milton Keynes; On-site; GBP 30,000 - 45,000; Full time

Job summary

Join a leading low-carbon energy generator as a Field Service Engineer. You'll maintain and optimize gas reciprocating engines, ensuring peak performance. The role involves preventive maintenance, troubleshooting, and working outdoors across various sites in the South East. Enjoy competitive pay, bonuses, and benefits including a company van, tools, and a strong commitment to health and safety.

Benefits

Competitive salary

15% bonus

Company van & fuel card

Employee Assistance Program

Cycle-to-work scheme

Community volunteering days

25 days of annual leave

Company pension scheme

Sick pay eligibility

Qualifications

• Apprenticeship-trained engineer or mechanic with NVQ Level 3 minimum.
• Hands-on experience with gas engines, strong fault-finding and maintenance skills.

Responsibilities

• Perform preventive and corrective maintenance on gas generation assets.
• Identify and address operational issues proactively.
• Conduct diagnostics and troubleshooting on assets.

Skills

Problem Solving

Communication

Resilience

Education

NVQ Level 3

Tools

Jenbacher

Caterpillar

MTU

MWM

Job description

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Infinis isa leading low-carbon energy generator, capturing methane from landfill sites and disused mines to produce electricity. Our flexible power response and battery energy storage projects (BESS) support the grid, ensuring sustainability and resilience. With our expanding solar division, we’re committed to investing in renewable energy solutions and driving a greener future.

About the Role

Join our highly skilled field-based operations team as a Field Service Engineer. Your role will be pivotal in maintaining, troubleshooting, and optimising our natural gas reciprocating engines and associated plant equipment. You will be an expert at identifying early warning signs of malfunctions, conducting comprehensive repairs and completing planned preventive maintenance, ensuring our fleet operates at peak performance. Your contribution is crucial to our operations.

You must have a strong mechanical engineering background, ideally with experience in maintaining and repairing Jenbacher, Caterpillar, MTU, or MWM gas reciprocating engines.

Key Responsibilities

• Perform preventive, corrective, and reactive maintenance, including engine overhauls, across a fleet of gas generation assets.
• Identify and proactively address early warning signs of operational issues or potential breakdowns.
• Conduct diagnostics and troubleshooting on assets experiencing recurring trips or performance challenges.
• 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.
• Maintain 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.
• Adhere to HSQE regulations, report incidents, and take proactive measures to prevent accidents or compliance breaches.
• Engage in a culture of continuous improvement, attending training courses and contributing to operational innovation.

Location: This role will primarily serve sites in Bedford and Bletchley. During the call-out week, you will have to cover the whole of the South East region.

Schedule: Monday - Friday, day shift with a 1/8 call-out rota, with paid standby and call-outs. Additional voluntary standby opportunities are available.

Education & Qualifications

• Apprenticeship-trained engineer or mechanic, NVQ Level 3 minimum

Industry Experience

• Hands-on experience with Jenbacher, Caterpillar, MTU, or MWM gas engines
• Strong fault-finding, diagnostics, repairs, and maintenance skills
• Background in a safety-driven industry, with a proactive approach to health and safety standards

Additional Requirements

• Full UK manual driving license, preferably with field-based experience.
• Ability to travel to sites across Warrington, Wigan, and Manchester
• Comfortable working outdoors in all weather conditions
• Strong problem-solving, communication, and resilience skills
• Committed to strict environmental, health, safety, and quality procedures

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 offersvirtual 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, encouraging applications from underrepresented groups.

Recruitment Notice for Agencies

We work with a Preferred Supplier List of trusted recruitment partners who comply with our company’s terms. We do not acknowledge unsolicited introductions, and no fees will apply for direct candidate contacts. We appreciate your understanding and adherence to our recruitment policy.