Mobile Air Conditioning / HVAC Engineer

Vision Personnel Limited; Greater London; On-site; GBP 32,000 - 46,000; Full time

Benefits offered by this job

Company van

Company pension

28 days' annual leave

Job summary

Vision Personnel Limited is seeking an experienced Mobile AC/HVAC Engineer to join a growing facilities maintenance team. The role covers a range from smaller commercial systems to large, multi-zone HVAC installations across venues, with scope to progress to senior technical or supervisory positions.

You will handle planned maintenance, fault-finding, repairs, and reporting across multiple client sites, while maintaining Health & Safety standards and liaising with manufacturers.

Qualifications

• Essential: F-Gas Category 1
• Strong commercial AC service/maintenance experience, including larger systems and VRV/VRF
• Proven reactive fault-finding and diagnostic capability
• Experience with repairs, component replacement, and small installation works
• Full UK driving licence
• Strong Health & Safety understanding; able to work at height
• Confident producing technical reports and using job-management/CAFM systems

Responsibilities

• Planned Preventative Maintenance, reactive breakdowns and call-outs across commercial AC/HVAC systems
• Systematic fault finding, diagnostics and testing to identify root causes
• Repairs, remedial works, and small installation/replacement works
• Identifying follow-on works and providing accurate technical information to support quotations
• Producing clear technical reports (faults, works completed, equipment condition, recommended action)
• Liaising with manufacturers and suppliers on parts and technical support
• Updating CAFM/client portal systems via handheld devices
• Managing workload independently across multiple client sites
• Maintaining van stock and working to Health & Safety standards
• Participating in out-of-hours emergency call-out rota

Skills

AC service/maintenance

Fault finding

Repairs & replacements

Small installations

CAFM systems

Health & Safety

Education

F-Gas Category 1

NVQ/City & Guilds AC or Refrigeration

Tools

CAFM systems

Job description

About the Company

Our client is an established Facilities Maintenance and Building Projects organisation, with a directly employed engineering workforce of 60+ engineers. They deliver hard FM, maintenance, compliance and project services across a diverse commercial and public-sector client base, including retail, hospitality, restaurants and pubs, casinos, cinemas, care homes, hotels, student accommodation, schools and universities.

About the Role

Our client is strengthening its Air Conditioning and HVAC capability with the appointment of an experienced Mobile AC/HVAC Engineer. This isn't a routine maintenance-only role — the portfolio ranges from smaller commercial AC systems (including a fixed-term maintenance contract for a national restaurant and pub operator) through to large, complex, multi-zone HVAC installations across casinos, cinemas and leisure venues. There's genuine scope to progress into a senior technical or supervisory position as the division grows.

Key Responsibilities

• Planned Preventative Maintenance, reactive breakdowns and call-outs across commercial AC/HVAC systems
• Systematic fault finding, diagnostics and testing to identify root causes
• Repairs, remedial works, and small installation/replacement works
• Identifying follow-on works and providing accurate technical information to support quotations
• Producing clear technical reports (faults, works completed, equipment condition, recommended action)
• Liaising directly with manufacturers and suppliers on parts, compatibility and technical support
• Completing job sheets, service reports and updating CAFM/client portal systems via handheld devices
• Managing workload independently across multiple client sites
• Maintaining van stock and working to Health & Safety standards
• Participating in the out-of-hours emergency call-out rota

Equipment & Systems Experience

• Essential: Split, multi-split, VRV/VRF, wall-mounted, cassette, ducted systems, condensing units, heat pumps, FCUs, AHUs, package units, HVAC controls — with strong experience on larger commercial systems particularly important.
• Desirable: Chillers, close-control/precision cooling, BMS interfaces, commercial ventilation, refrigeration systems.

Qualifications & Experience

• Essential:
  • F-Gas Category 1
  • Strong commercial AC service/maintenance experience, including larger systems and VRV/VRF
  • Proven reactive fault-finding and diagnostic capability
  • Experience with repairs, component replacement, and small installation works
  • Full UK driving licence
  • Strong Health & Safety understanding; able to work at height
  • Confident producing technical reports and using job-management/CAFM systems
• Desirable:
  • NVQ/City & Guilds AC or Refrigeration qualification
  • Manufacturer training (Daikin, Mitsubishi, Toshiba, Panasonic, Fujitsu, etc.)
  • IPAF, PASMA, CSCS/ECS
  • Experience in cinemas, casinos, hospitality or multi-site estates

Overtime

• Time and a half: 17:01-23:59 Mon-Fri, and Saturdays
• Double time: 00:00-05:59, Sundays, and Bank Holidays

Call-Out

• Approximately 1 week in every 5, supporting out-of-hours emergency attendance.

Package

• Company van, fuel card, phone and tablet
• Uniform and PPE provided
• Company pension
• 28 days' annual leave (including 8 Bank Holidays), plus 1 extra day per full year of service
• Significant overtime opportunities, enhanced rates
• Manufacturer and technical training opportunities (chillers, BMS, controls)
• Genuine career progression — Lead Engineer, Supervisor, Technical/Mechanical management routes
• Personal vehicle use: up to 10 miles/day free, 45p/mile thereafter

Interested?