Diesel Mechanic

ISS Recruitment; Leinster; On-site; EUR 45,000 - 55,000; Full time

Benefits offered by this job

Company vehicle

Mobile phone and laptop

Overtime opportunities

Training and upskilling

Job summary

ISS Recruitment & HR Services is seeking a skilled Diesel Mechanic / Generator Service Engineer to service and maintain diesel generators across the Leinster region. Based in Laois, you will install, maintain, diagnose, and repair diesel-powered generator systems at various client sites.

This field-based role offers independence, exposure to high-performance power equipment across commercial, industrial, and critical infrastructure environments, plus opportunities for training and progression.

Qualifications

• Qualified Diesel Mechanic or Heavy Vehicle Technician (or equivalent experience).
• Experience with diesel engines and generator systems.
• Field service or industrial maintenance experience encouraged.
• Ability to troubleshoot electrical and mechanical systems.
• Full, clean driving licence.
• Strong problem-solving skills and ability to work independently.
• Good communication and customer-facing skills.

Responsibilities

• Service, maintain, and repair diesel generators at customer sites
• Diagnose mechanical, electrical, and fuel system faults
• Carry out preventative maintenance schedules and emergency breakdown repairs
• Commission and test generator sets following installation or repair
• Ensure all work is completed safely and in line with compliance standards
• Maintain accurate service records and job reports
• Liaise with clients to provide updates and technical guidance when needed
• Manage company vehicle stock, tools, and equipment

Skills

Diesel engines

Generator systems

Troubleshooting

Independent work

Customer-facing

Education

Qualified Diesel Mechanic or Heavy Vehicle Technician

Job description

About the Role

We are seeking a skilled Diesel Mechanic / Generator Service Engineer to join a growing team servicing and maintaining generators across the Leinster region. Based in Laois, you will be responsible for the installation, maintenance, diagnostics, and repair of diesel-powered generator systems across a variety of client sites.

This is a field-based role with strong independence, variety, and the opportunity to work with high-performance power generation equipment across commercial, industrial, and critical infrastructure environments.

Key Responsibilities

• Service, maintain, and repair diesel generators at customer sites

• Diagnose mechanical, electrical, and fuel system faults

• Carry out preventative maintenance schedules and emergency breakdown repairs

• Commission and test generator sets following installation or repair

• Ensure all work is completed safely and in line with compliance standards

• Maintain accurate service records and job reports

• Liaise with clients to provide updates and technical guidance when needed

• Manage company vehicle stock, tools, and equipment

Requirements

• Qualified Diesel Mechanic or Heavy Vehicle Technician (or equivalent experience)

• Strong knowledge of diesel engines and generator systems

• Experience in field service or plant/industrial maintenance preferred

• Ability to troubleshoot electrical and mechanical systems

• Full clean driving licence

• Strong problem-solving skills and ability to work independently

• Good communication and customer-facing skills

What’s on Offer

• Salary of €50,000+ (depending on experience)

• Company vehicle

• Mobile phone and laptop

• Overtime opportunities

• Training and upskilling on generator systems and controls

• Stable, long-term role with progression potential

• Varied field-based work across Leinster

Why This Role?

This is a hands-on, practical role for someone who doesn’t want to be stuck in a workshop all day. You’ll be out on the road, solving real problems, and keeping critical systems running. If you’re mechanically strong and like autonomy, this is the kind of job where you can quietly become very valuable very quickly.