Mobile Mechanical/HIU Engineer

DMG Delta – London

DMG Delta Ltd has been delivering trusted HVAC services for over 30 years. We’re proud to work with a prestigious range of clients across London and the Home Counties. Our head office is near Stansted Airport, but most of your work will be within the M25 and Central London.

Are you looking for a rewarding career with a well-established company that truly values its engineers? At DMG, we’re passionate about supporting our team and providing opportunities to grow.

We’re hiring a Mobile Mechanical/HIU Engineer to cover Central & Greater London (within the M25). This is your chance to enjoy competitive pay, fantastic benefits, and the opportunity to be part of a company that invests in its people.

About the Role:

If you’re passionate about delivering top-notch service and want to join a supportive and forward-thinking team, we’d love to hear from you!

You’ll be responsible for the service, maintenance and repair of mechanical and HIU systems across a variety of sites.

Key tasks include:

  • Servicing hydraulic, pumping and pipework systems
  • Balancing, commissioning and flow control
  • Maintaining pressure vessels, pressurisation units and HIUs
  • Fault finding, accurate reporting and recommendations
  • Managing system drain downs/refills, pump and valve replacements, and plate heat exchanger servicing
  • Working in energy centres, large plant rooms and building distribution systems
  • This role includes participating in a 24/7/365 call-out service, an essential part of our business, handled on a rotational basis.
  • Salary: £45,000 – £50,000 (plus c. £5k overtime)
  • Hours: 8am – 5pm
  • Job Type: Permanent
  • Location: Central & Greater London (within the M25)
  • Call-Out Rota: 1 in 7 weeks
  • Head Office: Bishop’s Stortford

Benefits:

Our People are the driving force behind our success, which is why we offer an industry-leading package designed to support your career and personal well-being, including:

    • Competitive Salary based on qualifications and experience
    • Overtime Rate: Time and a half or double time, plus a £150 standby allowance
    • Generous Annual Leave: 25 days plus 8 bank holidays
    • Sickness and Accident Protection: Generous salary insurance protection
    • Life Assurance: 2x your annual salary
    • Health & Wellness:
    • Access to a private GP service
    • Confidential Employee Assistance Programme (24/7/365 support)
    • Annual eye care reimbursement
    • Reward & Recognition: Employee of the Quarter and Manager’s Incentive Scheme
    • Training & Development:
    • Access to our Training Academy and Mentor Initiative
    • Opportunities to enhance your technical skills
    • Fully Equipped:
    • Company van, uniform, safety equipment, phone, tablet, fuel card, parking apps, and a company debit card

About You:

We’re looking for someone who has:

  • Minimum 3 years’ HIU experience (planned maintenance and breakdowns)
  • Knowledge or awareness of gas boilers, electrical systems, plant controls and safe working practices is also required.

  • Based within a commutable distance of Central London

Qualifications:

  • Full UK driving licence and clear DBS

To Apply:

  • You must be living and authorised to work in the UK to apply for this position.
  • Commute to office