Mobile Maintenance Engineer
We established Pareto Facilities Management to create the most service focused, customer centric, facilities management company in the UK.
Mobile Maintenance Engineer (M&E)
📍 South Wales & South West (Field-Based)
🕒 Full-Time | Monday – Friday
📞 On-Call: 1 in 6 rota | £200 standby + 4-hour minimum call-out
Join a high-performing engineering team where standards matter.
We’re looking for a skilled and proactive Mobile Maintenance Engineer to support the delivery of both planned and reactive maintenance across a portfolio of client sites.
This is a field-based role, covering multiple locations across South Wales and the South West, so travel is a core part of the position. You’ll play a key role in ensuring building services systems are maintained safely, efficiently, and in full compliance—while delivering a professional, customer-focused service.
If you enjoy fault-finding, problem-solving, and working independently while still being part of a strong team, this is a great opportunity.
The Role
You’ll be responsible for the day-to-day delivery of maintenance across mechanical and electrical systems, ensuring client assets remain safe, compliant, and fully operational.
Day to day, this includes:
Delivering planned preventative maintenance (PPM) and reactive works
Fault-finding across mechanical and electrical systems
Maintaining HVAC plant to ensure optimal environmental conditions
Responding to BMS alarms and carrying out first-line diagnostics
Supporting plant operations including start-up, shutdown, and changeover
Completing simPRO tasks with accurate records and photographic evidence
Maintaining logbooks and compliance documentation
Supporting statutory maintenance and highlighting risks or issues
Carrying out small installation and repair works as required
Conducting regular site walk-rounds to ensure safety and performance
Supervising subcontractors and reviewing works on site
Ensuring all plant rooms and work areas are safe, clean, and compliant
Communicating effectively with clients, supervisors, and internal teams
You’ll also take ownership of your workload, managing your time effectively across multiple sites.
On-Call & Overtime
On-call rota: 1 in 6
Standby allowance: £200 per week
Minimum 4-hour call-out payment
Overtime available depending on business needs
What We’re Looking For
We’re looking for a well-rounded engineer who is confident working across building services and can operate independently in a mobile role.
You’ll ideally have:
Experience within Facilities Management or Building Services
Strong PPM and reactive maintenance background
Confidence fault-finding across M&E systems
A proactive, safety-first approach
Strong communication and customer service skills
Ability to manage workload across multiple sites
Qualifications & Technical Skills
Essential:
City & Guilds Level 3 (or equivalent) in Electrical Engineering
City & Guilds Level 3 (or equivalent) in Mechanical Engineering
18th Edition IET Wiring Regulations
Strong understanding of Electricity at Work Regulations
Desirable:
City & Guilds 2391 Inspection & Testing
IOSH Working Safely
IPAF / PASMA
Unvented hot water systems
Knowledge of BMS, HVAC, generators, and building controls
ACOP L8 / water systems knowledge
High Voltage experience
Experience
Experience working on a range of plant and equipment, including:
Boiler plant and ventilation systems
Pumps and pressurisation systems
Generators and switchgear
Cables, batteries, lighting and small power
Why Join Pareto FM?
Varied mobile role with real autonomy
Supportive management and engineering structure
Opportunity to work across diverse sites and systems
Ongoing training and development opportunities
Clear progression routes as the business continues to grow
If you’re a skilled Maintenance Engineer looking for a mobile role where you can take ownership, develop your skills, and be part of a growing FM business — we’d love to hear from you.
- Department
- Engineering
- Locations
- Cardiff CF10
- Yearly salary
- £38,000 - £41,000
- Employment type
- Full-time
- Remote status
- This role is field-based, covering multiple client sites. Travel is a core part of the role
Cardiff CF10
We’re the UK’s trusted partner in engineering and workspace solutions, committed to leading and evolving our industry by being ahead of the curve in everything we do.
With cutting-edge technology, data, insights and technical expertise we equip you with clarity, control and confidence to manage our clients space at full potential and become more sustainable, efficient and resilient. Our commitment to precision means we are close to the detail, so our customers always know what to expect.
In every engagement, we deliver the flexibility, service and openness that others simply talk about.
By leading our industry with foresight and partnership, we are ahead of the curve in every aspect.