Commercial Gas Engineer
London
DK281125COMGASLONDON
Mechanical & Electrical
Permanent

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Discipline: Engineering

Speciality: Commercial Gas Engineer

UK Residency Required: Yes

Salary: £50k - £60k per annum

Benefits: + OT + Bonus + Van + Pension etc

Apply by: 31/01/2026

Min Experience: years

OVERVIEW & ROLE DESCRIPTION

Overview

We are currently recruiting for a Commercial Gas Engineer on behalf of a specialist utility services company who provide installation, maintenance, metering and billing services to customers throughout the Uk.

Operating for over 15 years now, they are a fast growing reputable company with over 70 employees. They are an award-winning heat network services provider. They specialize in Heat and Cooling Networks, also known as communal energy or district heating schemes.

As a Gas Safe Heat Network Engineer, you will be responsible for the installation, maintenance, and efficient operation of heat network equipment, including boilers, chillers, fan coil units, HIUs, valves, meters, PAYG devices, and metering systems deployed within client developments.

Working closely with supply partners and following documented workflows and processes, you will carry out maintenance, repairs, commissioning, and commercial gas safety checks on commercial heating systems. Additionally, you will handle fault detection, repairs, and maintenance of heat metering equipment within the domestic heating sector. This role involves working in the built environment on multi-million-pound construction projects as well as in residential properties.

This is a permanent position, covering London, working Monday to Friday 37.5 hours per week. The basic salary is paying £50k – £60k per annum depending on experience. They also offer a £6k KPI related bonus – up to £1500 is paid quarterly after successful completion of 6 month probation. Other perks include van & fuel card which can be used for personal use, pension, 25 days annual leave plus bank holidays, overtime and Development & training which includes progression towards commercial gas qualifications.

 

Responsibilities

  • Maintenance of Heating and Cooling Systems:
    Perform responsive maintenance on a wide variety of heating and cooling systems, typically serving multi-story private and social housing blocks.
  • Responsive and Preventative Maintenance:
    Conduct fault diagnosis, repairs, and renewal works, along with planned preventative maintenance tasks.
  • Mechanical Maintenance:
    Routine maintenance of boilers, pumps, heat exchangers, pressure vessels, valves, and domestic components such as Heat Interface Units (HIUs), heat meters, two-port valves, and associated metering and billing systems.
  • Comprehensive Energy System Work:
    Oversee maintenance from traditional heating and cooling plants to domestic HIUs and metering/billing systems.
  • Health & Safety Compliance:
    Adhere to relevant Health & Safety practices on-site and ensure all work complies with legislation and service level agreements (SLAs).
  • Heating and Cooling Equipment Maintenance:
    Maintain equipment associated with Low Temperature Hot Water (LTHW) heating and chilled water systems.
  • Use of Technology:
    Use laptops and tablets to commission metering equipment, update records, and maintain systems.
  • Problem Solving and Communication:
    Troubleshoot and resolve on-site issues, coordinating with other trades and the main contractor.
  • Client and Contractor Liaison:
    Represent the company on-site, liaising with clients, principal contractors, consultants, and heating/plumbing sub-contractors.
  • Site Surveys and Installations:
    Conduct site surveys and assist the Delivery Team with the installation of new systems.
  • HIU and Metering Equipment:
    Replace, maintain, and service HIUs, as well as install and replace heat meters on district heating networks (primarily in occupied homes).

 

Skills & Attributes

  • Valid Commercial and Domestic Gas Qualifications.
  • Understanding of communal/district heating schemes and experience working within the service industry.
  • Previous experience working on commercial heating systems.
  • Good communication and customer service skills.
  • The ability to work independently and use your own initiative.
  • An eye for detail and a desire to work to a very high standard.
  • Full UK Driving License.

 

Note:- Apex Resourcing Solutions are acting as an Employment Agency

SKILLS AND QUALIFICATIONS

  • Valid Commercial and Domestic Gas Qualifications.
  • Understanding of communal/district heating schemes and experience working within the service industry.
  • Previous experience working on commercial heating systems.
  • Good communication and customer service skills.
  • The ability to work independently and use your own initiative.
  • An eye for detail and a desire to work to a very high standard.
  • Full UK Driving License.

RESPONSIBILITIES

  • Maintenance of Heating and Cooling Systems:
    Perform responsive maintenance on a wide variety of heating and cooling systems, typically serving multi-story private and social housing blocks.
  • Responsive and Preventative Maintenance:
    Conduct fault diagnosis, repairs, and renewal works, along with planned preventative maintenance tasks.
  • Mechanical Maintenance:
    Routine maintenance of boilers, pumps, heat exchangers, pressure vessels, valves, and domestic components such as Heat Interface Units (HIUs), heat meters, two-port valves, and associated metering and billing systems.
  • Comprehensive Energy System Work:
    Oversee maintenance from traditional heating and cooling plants to domestic HIUs and metering/billing systems.
  • Health & Safety Compliance:
    Adhere to relevant Health & Safety practices on-site and ensure all work complies with legislation and service level agreements (SLAs).
  • Heating and Cooling Equipment Maintenance:
    Maintain equipment associated with Low Temperature Hot Water (LTHW) heating and chilled water systems.
  • Use of Technology:
    Use laptops and tablets to commission metering equipment, update records, and maintain systems.
  • Problem Solving and Communication:
    Troubleshoot and resolve on-site issues, coordinating with other trades and the main contractor.
  • Client and Contractor Liaison:
    Represent the company on-site, liaising with clients, principal contractors, consultants, and heating/plumbing sub-contractors.
  • Site Surveys and Installations:
    Conduct site surveys and assist the Delivery Team with the installation of new systems.
  • HIU and Metering Equipment:
    Replace, maintain, and service HIUs, as well as install and replace heat meters on district heating networks (primarily in occupied homes).

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