Field Service Engineer (North – Warrington)

Infinis Energy plc; Warrington; On-site; GBP 42,000 - 60,000; Full time

Benefits offered by this job

Bonus up to 15%

Company van & fuel card

Tools provided

Uniform

Laptop

Mobile phone

Pension scheme with employer contrib

25 days annual leave

Sick pay after probation

Job summary

Infinis Energy plc is seeking an operations engineer to ensure safe, efficient, and reliable operation of gas reciprocating engines and associated plant equipment across multiple site-based power generation plants.

You will identify early fault signs, perform diagnostics, and execute reactive and planned maintenance to minimise downtime, supporting continuous flexible power generation. A hands-on, safety-first mindset and experience in power generation are essential.

Qualifications

• NVQ Level 3 or equivalent in Electrical or Mechanical Engineering.
• Safety-conscious with proactive health and safety approach.
• Experience with low-voltage electrical systems.
• Strong diagnostic and fault-finding skills.
• Full UK driving licence and field-based experience.
• Willingness to travel to sites across the North region.

Responsibilities

• Identify early fault signs and conduct diagnostics.
• Carry out reactive and planned maintenance to minimise downtime.
• Maintain safe and reliable operation of gas engines and plant.
• Travel to sites across the North region as required.

Skills

Fault diagnosis

Electrical knowledge

Mechanical knowledge

Driving licence

Travel readiness

Education

NVQ Level 3 / City & Guilds in Electrical or Mechanical Engineering

Job description

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.

Key Responsibilities

NVQ Level 3 or City & Guilds in Electrical or Mechanical Engineering, or apprentice-trained, demonstrating technical competence

Safety-conscious with a proactive approach to health and safety

Experience working on low-voltage electrical systems with an understanding of baseload or power response would be beneficial

Strong diagnostic and fault-finding skills

Full UK manual driving license, preferably with field-based experience.

Ability to travel to sites across the North region

About you

• NVQ Level 3 or City & Guilds in Electrical or Mechanical Engineering, or apprenticetrained, demonstrating technical competence
• Safety-conscious with a proactive approach to health and safety
• Experience working on low-voltage electrical systems with an understanding of baseload or power response would be beneficial
• Strong diagnostic and fault-finding skills
• Full UK manual driving license, preferably with field-based experience
• Ability to travel to sites across the North region

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 build better solutions.