Mobile Mechanical Engineer (Plumbing Bias)
Location: London & Home Counties
Salary: £45,000 + Overtime + Call-Out
Hours: Monday to Friday, 8:00am – 4:30pm
About the Company
A well-established and highly reputable building services contractor delivering mechanical, electrical, and maintenance solutions across London and the South East.
The business operates across a wide range of sectors including commercial, healthcare, education, retail, and public sector environments. They are known for providing high-quality service delivery, strong client relationships, and a professional, customer-focused approach.
Role Overview
We are seeking a Mobile Mechanical Engineer with a strong plumbing bias to deliver planned and reactive maintenance across a variety of client sites.
This role involves working across multiple locations, ensuring building services systems are maintained to a high standard, compliant with regulations, and operating efficiently.
Key Responsibilities
Maintenance & Service Delivery
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Carry out PPM and reactive maintenance on:
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Commercial and domestic plumbing systems
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Hot & cold-water systems
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Pumps, valves, pipework, and sanitary systems
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Heating systems and associated plant
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Diagnose faults and complete repairs effectively
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Support wider mechanical and M&E systems when required
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Ensure all work is completed to a high standard
Compliance & Safety
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Work in line with:
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Water Regulations & Legionella guidelines (L8 where applicable)
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Health & Safety standards
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Complete service reports, compliance documentation, and maintenance records
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Maintain strong attention to regulatory and compliance standards
Reactive Maintenance
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Attend breakdowns and emergency call-outs
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Identify root causes and implement long-term solutions
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Escalate major issues and support plant upgrades or replacements
Client Interaction
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Provide professional and customer-focused service
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Build and maintain strong client relationships
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Represent the business positively on-site
General Duties
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Travel across London & Home Counties (mobile role)
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Participate in call-out rota
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Maintain company vehicle, tools, and equipment
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Support minor install and project works when needed
Skills & Experience
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NVQ / City & Guilds in Plumbing or Mechanical Engineering
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Proven experience within building services or FM
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Strong fault-finding and diagnostic ability
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Experience working on commercial plumbing and heating systems
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Full UK Driving Licence
Desirable
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Legionella / L8 certification
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Basic electrical or HVAC knowledge
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Experience in commercial or public sector environments
What’s on Offer
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Competitive salary of £45,000
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Monday–Friday, 8:00am – 4:30pm (work-life balance)
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Paid overtime opportunities
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Call-out rota with additional earnings
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Company vehicle & fuel card
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Tools and uniform provided
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Ongoing training and development
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Stable, long-term contract portfolio
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Opportunity to work across diverse, high-profile sites
The Ideal Candidate
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Professional and reliable
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Strong attention to detail
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Customer-focused with good communication skills
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Self-motivated and able to work independently
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Takes pride in delivering high-quality work