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Mobile Mechanical​/HIU Engineer - M25

Job in City Of London, Central London, Greater London, England, UK
Listing for: Pertemps
Full Time position
Listed on 2026-03-06
Job specializations:
  • Engineering
    Maintenance Technician / Mechanic
  • Trades / Skilled Labor
    Maintenance Technician / Mechanic
Salary/Wage Range or Industry Benchmark: 55000 GBP Yearly GBP 55000.00 YEAR
Job Description & How to Apply Below
Position: Mobile Mechanical/HIU Engineer - M25 - Up to £55K
Location: City Of London

Mobile Mechanical / HIU Engineer

Salary: £47,000 – £50,000 (plus approx. £5,000 overtime)


Hours:

8:00am – 5:00pm


Contract:

Permanent, Full-time


Location:

99% of work within the M25 and Central London
• Call‑Out Rota: 1 week in 7
• Overtime:
Time and a half or double time, plus £150 standby allowance

About the Role

We are looking for an experienced Mobile Mechanical / HIU Engineer to carry out service, maintenance and repair works across a range of commercial and residential sites within London and the M25. You will be responsible for maintaining mechanical plant and Heat Interface Units (HIUs), ensuring systems operate efficiently and safely.

Key Responsibilities
  • Servicing hydraulic, pumping and pipework systems
  • Balancing, commissioning and managing flow control
  • Maintaining pressure vessels, pressurisation units and HIUs
  • Fault finding, reporting issues and recommending solutions
  • System drain downs and refills

    Pump and valve replacements
  • Plate heat exchanger servicing
  • Working within energy centres, plant rooms and building distribution systems
  • Following safe working practices at all times
Requirements
  • Minimum 3 years’ experience working on HIUs (planned maintenance and breakdowns)
  • Full UK driving licence
  • Clear DBS
  • Based within commuting distance of Central London
  • Right to work in the UK
Benefits
  • 25 days annual leave + 8 bank holidays
  • Generous sick pay
  • Life assurance (2x salary)
  • Loyalty bonus after 2 years
  • Private GP access and 24/7 counselling support
  • Annual eye care reimbursement
  • Reward & recognition schemes
  • Ongoing training and development support
  • Company pension
  • Employee mentoring programme
  • Health & wellbeing programme
  • Referral scheme

To apply, please send a copy of your most updated CV.

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