Mechanical Engineer
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
- 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
- Attend breakdowns and emergency call-outs
- Identify root causes and implement long-term solutions
- Escalate major issues and support plant upgrades or replacements
- Provide professional and customer-focused service
- Build and maintain strong client relationships
- Represent the business positively on-site
- 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
- 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
- Legionella / L8 certification
- Basic electrical or HVAC knowledge
- Experience in commercial or public sector environments
- 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
- 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
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