Generator Engineer

WR Engineering; Belfast City District; On-site; GBP 40,000 - 45,000; Full time

Job summary

WR Engineering in Northern Ireland is seeking an experienced Generator Service Engineer to join its field service team across NI. The role covers servicing, fault finding, repair and testing of diesel generators from small kVA units to large systems.

You will carry out oil/filter changes, diagnose faults, conduct load bank tests, and liaise professionally with customers on-site. A CSCS/ECS card and proven generator experience are essential for a successful candidate.

Qualifications

• Previous experience within generator servicing or the power generation industry.
• Strong mechanical and electrical fault-finding ability
• Experience working on diesel engines and generator systems
• Valid CSCS/ECS card
• Ability to work independently and manage your own workload
• Professional, reliable, and customer‑focused approach

Responsibilities

• Carrying out generator servicing, including oil/filter changes and fluid sampling
• Diagnosing and repairing mechanical and electrical faults
• Conducting load bank testing on customer generator units
• Working on engines from small kVA units through to large‑scale generator systems
• Repairing components including fuel pumps, starter motors, cooling systems, battery chargers, heaters, cables, and control equipment
• Interrogating control systems such as DSE, ComAp, and DEIF
• Assisting with engine rebuilds, top‑end overhauls, control panel upgrades, and retrofits
• Liaising professionally with customers on‑site

Skills

Generator servicing

Mechanical fault-finding

Electrical fault-finding

Diesel engines

Education

City & Guilds electrical qualifications

17th/18th Edition wiring regs

Tools

DSE control systems

ComAp

DEIF

Job description

Location: Northern Ireland | Salary: £40,000 - £45,000 | Job Type: Permanent, Monday to Friday

A growing power generation business is looking for an experienced Generator Service Engineer to join its field service team across Northern Ireland.

This is a hands‑on field role covering the servicing, fault finding, repair, and testing of diesel generators across a wide range of engine brands and generator sizes.

The Role

• Carrying out generator servicing, including oil/filter changes and fluid sampling
• Diagnosing and repairing mechanical and electrical faults
• Conducting load bank testing on customer generator units
• Working on engines from small kVA units through to large‑scale generator systems
• Repairing components including fuel pumps, starter motors, cooling systems, battery chargers, heaters, cables, and control equipment
• Interrogating control systems such as DSE, ComAp, and DEIF
• Assisting with engine rebuilds, top‑end overhauls, control panel upgrades, and retrofits
• Liaising professionally with customers on‑site

Requirements

• Previous experience within generator servicing or the power generation industry
• Strong mechanical and electrical fault‑finding abilityExperience working on diesel engines and generator systems
• Valid CSCS/ECS card
• Ability to work independently and manage your own workload
• Professional, reliable, and customer‑focused approach

Desirable

• Generator brand‑specific training
• Control systems training
• Electrical qualifications, such as City & Guilds or 17th/18th Edition

This is an excellent opportunity for an experienced Generator Service Engineer to join a growing business offering a stable Monday to Friday role and long-term development.