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Posted 21 July, 2026

Mechanical Fitter

Randstad RIS
County Antrim, NIR, GB Full Time

Job Description

Are you a skilled Mechanical Fitter looking for a role that actually respects your downtime?

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At Caterpillar Larne, we've structured our week so you can get your 37.5 hours done in just four days. That's a three-day weekend, every single week, while working for one of the world's most iconic engineering brands.

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Job title: Mechanical fitter

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Location: Larne (BT40 1EJ)

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Job type: Temporary - long term ongoing

Shift and pay breakdown\n
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  • Day shift: £16.75 per hour
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  • Night shift: £22.33 per hour
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  • Overtime (First 10 hours): £25.13 per hour
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  • Overtime (After 10 hours): £33.50 per hour
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From hospital backup systems to global data centres, you'll be the one ensuring the world's most critical power units are built to perfection.

Why fitters are moving to Caterpillar Larne:\n
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  • The 4-day week: Work Monday to Thursday and enjoy a guaranteed 3-day weekend.
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  • Competitive earnings: Earn a solid base rate with shift premiums for nights (£22.33/hr) and high-value overtime reaching £33.50/hr.
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  • Modern facility: Work in a clean, safe, and professional environment with on-site canteen and free parking.
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  • Uniform and gear: We provide full PPE and uniform from day one, so you're ready to hit the ground running.
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  • Stability and growth: Ongoing assignments with full induction and professional training to help you master the Caterpillar way.
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Your role on the floor:\n

Working as part of a precision assembly team, you will:

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  • Build and integrate: Assemble, fit, and adjust generator sets (Gensets), fuel systems, and radiators.
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  • Interpret: Read and follow complex engineering prints and sketches to plan your build sequence.
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  • Precision tools: Use a variety of power and hand tools to ensure every component meets our "Gold Standard" quality.
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  • Improve: Collaborate with the team on 5S and lean manufacturing initiatives to keep our facility world-class.
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What you'll need\n
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  • Qualifications: A formal Apprenticeship or NVQ Level 3 in a relevant mechanical field.
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  • Experience: Proven experience in assembly or fitting (ideally within a lean manufacturing environment).
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  • Detail: Great attention to detail and a commitment to high safety and quality standards.
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  • Mindset: Comfort working from heights or in enclosed spaces when the build requires it.
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Ready for a better work-life balance?\n

Applying is easy. Don't stay stuck in a 5-day grind, join the team that builds the power for tomorrow. Click apply today, and our Randstad on-site team will reach out for a friendly chat and to get your interview started.

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Apply now and power your career at Caterpillar Larne.