Senior Commercial Gas Engineer

  • Gillingham
  • Permanent
  • Mon Oct 12 14:24:25 2026
  • BBBH8

Senior Commercial Gas Engineer – Installation & Maintenance

Location: London & South East
Salary: £50,000 - £60,000 per annum
Sector: Commercial Heating / Gas Engineering / Mechanical Plant Rooms
Employment Type: Full-time

The Opportunity

Hill McGlynn are currently working with an established mechanical contractor who are looking to appoint an experienced Senior Commercial Gas Engineer to join their team, working across London and the South East.

This is an excellent opportunity for a fully qualified Commercial Gas Engineer with a strong background in commercial boiler installation, maintenance and mechanical plant room systems.

The company specialises in the construction, installation and maintenance of commercial boiler systems, with a particular focus on commercial plant rooms and associated natural gas infrastructure.

The successful candidate will be responsible for working on natural gas systems, from the mains gas supply through to commercial plant rooms, ensuring installations and maintenance works are completed safely, efficiently and to the required standards.

Previous commercial gas engineering experience and valid commercial gas qualifications are essential for this position.

The Role

As Senior Commercial Gas Engineer, you will be responsible for carrying out installation, maintenance and associated gas engineering works across commercial buildings and plant room environments.

Key responsibilities will include:

  • Installing, maintaining and servicing commercial gas boilers and heating systems.

  • Working on natural gas installations from the mains supply through to commercial plant rooms.

  • Undertaking commercial gas pipework installation and associated mechanical works.

  • Supporting the construction and installation of commercial boiler and plant room systems.

  • Carrying out planned and reactive maintenance on commercial gas equipment.

  • Diagnosing faults and identifying appropriate repairs and remedial works.

  • Ensuring all gas installations comply with current regulations and safety standards.

  • Testing, inspecting and checking commercial gas systems to ensure safe operation.

  • Working closely with mechanical installation teams and other trades.

  • Reading and interpreting technical drawings, specifications and installation requirements.

  • Maintaining accurate records of servicing, maintenance and completed works.

  • Ensuring all activities comply with Health & Safety procedures and relevant legislation.

  • Liaising professionally with clients, site teams and project management.

  • Maintaining high standards of workmanship across all installations and maintenance activities.

About You

We are looking for an experienced and technically capable Senior Commercial Gas Engineer with a strong background in commercial heating systems and mechanical plant room installations.

You will ideally have:

  • Proven experience as a Commercial Gas Engineer or Senior Commercial Gas Engineer – essential.

  • Valid commercial gas qualifications and appropriate Gas Safe registration/competencies – essential.

  • Strong experience installing and maintaining commercial gas boilers – essential.

  • Previous experience working within commercial buildings and mechanical plant rooms – essential.

  • Experience working with natural gas systems and associated commercial gas pipework – essential.

  • Good knowledge of commercial boiler installations and heating systems.

  • Experience with gas pipework installations from the mains supply to plant room equipment.

  • Strong fault-finding, servicing and maintenance skills.

  • A thorough understanding of current gas safety regulations and compliance requirements.

  • Ability to interpret technical drawings and installation specifications.

  • Excellent attention to detail and high standards of workmanship.

  • Strong problem-solving skills and a proactive approach.

  • Confidence working independently and taking responsibility for completed works.

  • Good communication and client-facing skills.

  • Flexibility to travel to commercial sites across London and the South East.

What's on Offer?

  • Salary between £50,000 and £55,000 per annum, depending on experience.

  • Opportunity to work on commercial boiler installation and maintenance projects.

  • Exposure to a variety of commercial plant room installations.

  • A senior technical position with responsibility across installation and maintenance activities.

  • Opportunity to work with an established mechanical contractor.

  • Projects across London and the South East.

Interested?

If you're an experienced Senior Commercial Gas Engineer with valid commercial gas qualifications and a strong background in commercial boiler installations, natural gas systems and mechanical plant rooms, Hill McGlynn would like to hear from you.

For further information about the role, company and projects, please apply today and a member of the Hill McGlynn team will be in touch.