Field Service Diesel Engine Mechanic – Heavy Engines

Crewit Resourcing is hiring in Ireland!

We’re hiring a senior field diesel mechanic to diagnose, service and overhaul heavy-duty engines (often 1,000+ hp) used across cranes and related applications. This is not a factory role—it’s hands-on field service with autonomy, customer interaction, and problem solving.

Responsibilities

• Diagnose, repair and overhaul heavy diesel engines (mechanical/electronic fuel systems, turbocharging, cooling, lubrication, aftertreatment).
• Execute planned maintenance, rebuilds and post-repair commissioning.
• Use OEM diagnostics and service literature; produce accurate service reports.
• Advise customers on repairs, parts and preventive actions; aim for first-time fix.
• Work safely on active sites; manage tools, van stock and parts returns.

Requirements:

• Qualified Heavy Diesel Mechanic/Fitter (Irish-recognised or equivalent).
• Strong field background with heavy engines—ideally one or more of: Cummins, Liebherr, Caterpillar, MTU, Detroit.
• Advanced diagnostics/troubleshooting (mechanical & electronic).
• Excellent English and customer-facing communication.
• Full, clean driving license; flexibility for nationwide travel and overtime/call-outs.

Advantages:

• OEM training/credentials on any of the brands above.
• Experience on crane powertrains or large industrial/mobile plant.
• Safe Pass/CSCS, MEWP, Rigging/Slinging, Working at Height.