Field Service Engineer

The Construction Index Ltd; Cardiff; On-site; GBP 70,000 - 80,000; Full time

Job summary

A leading power generation services provider in Cardiff seeks a Field Service Engineer to deliver maintenance and support for CHP systems and engines. Role requires proven experience with gas/diesel engines, a relevant engineering qualification, and a full UK driving license. Competitive salary of £70,000–£80,000 OTE plus benefits, including a company vehicle and ongoing training.

Benefits

Company-provided vehicle

Enhanced pension scheme

Private healthcare

Ongoing training

Qualifications

• Proven experience in gas and diesel-powered CHP units.
• Strong mechanical knowledge of major engine brands (MAN, Jenbacher, Cummins, Perkins, CAT).
• Full UK driving license is essential.

Responsibilities

• Service, maintenance, and breakdown support.
• Working on CHP, gas engines, and renewable energy systems.
• Electrical fault-finding and repairs.

Skills

Fault-finding skills

Mechanics

Customer service

Problem-solving

Education

Relevant engineering qualification (NVQ, City & Guilds, HNC/HND)

Job description

Overview

Field Service Engineer (Power Generation) based in Cardiff, Wales. Industry: power generation / green energy solutions. The role focuses on service, maintenance, diagnostics, major overhauls, and engine rebuilds on CHP systems, gas engines, and diesel engines at client sites and the main depot.

Responsibilities

• Service, maintenance, and breakdown support
• Working on CHP, gas engines, and renewable energy systems
• Electrical fault finding and repairs (ComAp, three phase, drives, motors, PLC)
• Customer-facing role
• Coverage Monday to Friday across the surrounding territory

Requirements

• Proven experience in gas and diesel-powered CHP units
• Apprenticeship or relevant engineering qualification (NVQ, City & Guilds, HNC/HND, etc.)
• Strong mechanical knowledge of major engine brands (e.g., MAN, Jenbacher, Cummins, Perkins, CAT)
• Full UK driving licence (essential)
• Ability to work independently and travel regularly to client sites
• Excellent fault-finding, diagnostic, and problem-solving skills

Desirable

• OEM training on gas engines or CHP systems
• Familiarity with generator control systems and related electrical knowledge
• Experience in power generation, utilities, or energy sectors

What’s On Offer

• Salary: £70,000–£80,000 OTE plus door-to-door pay, overtime rates, vehicle, tools, and benefits
• Full-time role in Cardiff, Wales
• Company-provided vehicle, tools, and PPE
• Enhanced pension scheme and private healthcare
• Ongoing training and professional development
• Career progression opportunities within a growing business

Location

Cardiff, Wales