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
Carry out PPM and reactive maintenance on:
Commercial and domestic plumbing systems
Hot & cold-water systems
Pumps, valves, pipework, and sanitary systems
Heating systems and associated plant
Diagnose faults and complete repairs effectively
Support wider mechanical and M&E systems when required
Ensure all work is completed to a high standard
Compliance & Safety
Work in line with:
Water Regulations & Legionella guidelines (L8 where applicable)
Health & Safety standards
Complete service reports, compliance documentation, and maintenance records
Maintain strong attention to regulatory and compliance standards
Reactive Maintenance
Attend breakdowns and emergency call-outs
Identify root causes and implement long-term solutions
Escalate major issues and support plant upgrades or replacements
Client Interaction
Provide professional and customer-focused service
Build and maintain strong client relationships
Represent the business positively on-site
General Duties
Travel across London & Home Counties (mobile role)
Participate in call-out rota
Maintain company vehicle, tools, and equipment
Support minor install and project works when needed
Skills & Experience
NVQ / City & Guilds in Plumbing or Mechanical Engineering
Proven experience within building services or FM
Strong fault-finding and diagnostic ability
Experience working on commercial plumbing and heating systems
Full UK Driving Licence
Desirable
Legionella / L8 certification
Basic electrical or HVAC knowledge
Experience in commercial or public sector environments
What’s on Offer
Competitive salary of £45,000
Monday–Friday, 8:00am – 4:30pm (work-life balance)
Paid overtime opportunities
Call-out rota with additional earnings
Company vehicle & fuel card
Tools and uniform provided
Ongoing training and development
Stable, long-term contract portfolio
Opportunity to work across diverse, high-profile sites
The Ideal Candidate
Professional and reliable
Strong attention to detail
Customer-focused with good communication skills
Self-motivated and able to work independently
Takes pride in delivering high-quality work
£40,000-£45,000 per year, inc benefits East London, London, United Kingdom