Experienced Commercial Plumber / Mechanical Engineer needed for mobile commercial maintenance across London and the M25 - £50K + overtime + van.

Mobile Mechanical / Plumbing Engineer - Commercial Buildings

Location: Central London & M25 (Mobile Role)
Salary: £50,000 Plus, Overtime (paid at time & a half)
Hours: Monday to Friday, 8:00am - 5:00pm (flexibility expected for travel)
Type: Full-time, Permanent

About the Role

We're looking for a mechanically-biased Commercial Plumbing Engineer to join a growing building services team working across Central London and the M25 area.
You'll be responsible for carrying out both planned and reactive maintenance across a variety of commercial sites. This is a mobile role suited to someone confident working independently, using their initiative to diagnose and resolve issues on-site.

Key Responsibilities

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Carry out works following water risk assessments

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Replace TMVs, valves, and main pump sets

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Diagnose and repair FCUs and other mechanical systems

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Perform system modifications and new installations

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Ensure all plumbing and mechanical systems are operating efficiently

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Liaise directly with clients, subcontractors, and suppliers

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Maintain tools and equipment to a professional standard

What We're Looking For

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NVQ Level 2 or above in Plumbing/Heating

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Full UK Driving Licence (max 3 points)

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Unvented Hot Water Certificate required

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Heat Pump qualification - desirable

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Solid mechanical knowledge of heating systems and components

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Minimum 3 years' commercial plumbing experience

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Capable of working independently and taking ownership of tasks

What's in It for You

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£50 to £55,000 basic salary (depending on experience)

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Plenty of overtime available - paid at time and a half

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No on-call rota

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Company van, fuel card, and mobile phone provided

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Company pension + optional discounted health insurance

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22 days holiday + bank holidays

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Career development, training, and upskilling opportunities

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Small, flexible company culture - no corporate nonsense

If you're a hands-on engineer who takes pride in doing the job right and wants to be part of a growing, straightforward team — we'd like to hear from you