Full time

HIU Engineer

RGB Network
Dartford, Kent, DA2 6PT
money-bag £42000 - £45000 per annum
Posted: 07 August 2026 (Today)
Closing date: 06 September 2026
Ref: 60610372

About the Role

The HIU Engineer position in Dartford involves servicing and repairing heat interface units across London, with a salary of £42,000 to £45,000 per annum on a full-time, permanent basis. This mobile role suits a technician experienced with district heating systems, covering planned maintenance and reactive breakdowns. You will receive a company van, fuel card, and paid travel up to one hour each way, with no call-out rota. Overtime is compensated at time and a half or double time. Additional perks include 23 days of annual leave, bank holidays, Vitality private healthcare, and structured training. The employer, a building services specialist employing around 27 staff, focuses on heat networks for residential and commercial projects, offering clear progression for skilled engineers.

HIU Service / Breakdown Engineer
Location : London (Mobile Role)
Salary
£42,000 - £45,000 Basic + Up to 10% Monthly Performance Bonus
Benefits

  • Company van & fuel card
  • Paid travel (1 hour each way)
  • No call-out rota
  • 23 days annual leave plus Bank Holidays
  • Overtime paid at:
    • Time and a half
    • Double time (where applicable)
  • Vitality Private Healthcare
  • Ongoing training and career development
About the Company
An established and growing building services specialist with a team of around 27 employees, delivering maintenance, design, installation and project solutions across London. The business specialises in district heat networks and works on a range of mixed-use, residential and commercial developments.
Due to continued growth, an opportunity has become available for an experienced HIU Service / Breakdown Engineer to join the team.
The Role
You'll be responsible for carrying out planned preventative maintenance (PPM), reactive repairs and fault finding on Heat Interface Units (HIUs) and associated district heating plant across London.
This is a mobile position working on a variety of modern residential and mixed-use developments, ensuring heating and hot water systems operate safely and efficiently.
Key Responsibilities
  • Service, maintain and repair Heat Interface Units (HIUs)
  • Diagnose and rectify faults on district heating systems
  • Carry out planned preventative maintenance (PPM)
  • Attend reactive breakdowns across London
  • Work on associated mechanical plantroom equipment
  • Complete service reports and documentation accurately
  • Provide excellent customer service while representing the business professionally
  • Ensure all work is completed safely and in accordance with industry standards
Requirements
  • Previous experience servicing and repairing HIUs
  • Strong mechanical plantroom experience is essential
  • Experience working on district heating networks
  • Good fault-finding and diagnostic skills
  • Full UK Driving Licence
  • Strong communication and customer service skills
  • Able to work independently and manage your own workload
What's on Offer
  • £42,000 - £45,000 basic salary
  • Up to 10% monthly performance bonus
  • Company van and fuel card
  • Paid travel (1 hour each way)
  • No call-out rota
  • Plenty of overtime available (paid at enhanced rates)
  • Vitality Private Healthcare
  • 23 days holiday plus Bank Holidays
  • Stable, long-term opportunity with a growing and well-established business

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