​MPI are looking for a Permanent Commercial Gas Engineer, for our client based in London

Salary: £45k - £55k depending on experience
Reporting to: PPM Contracts Manager
Start Date: Immediate
Working Hours: Mon – Fri, 8am – 5pm
Job Location: Site-based – Various (Greater London)

This is a mobile role requiring flexibility, including potential work outside standard hours to ensure essential services remain operational.

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Role overview and responsibilities

• Lead on gas and mechanical maintenance, fault resolution, and compliance across commercial client sites.

• Carry out PPMs and reactive works on boilers, plant rooms, commercial Kitchens and associated systems.

• Attend multiple sites as directed by the Mechanical Maintenance Desk to meet operational needs.

• Support wider building services, including basic electrical, plumbing, or HVAC tasks as required.

• Respond to breakdowns and emergencies promptly and safely.

• Maintain accurate documentation, including gas safety records and service reports.

• Provide professional client updates and technical advice on site.

• Follow and champion all health and safety practices and gas safety regulations.

• Continuously develop your skills and keep up to date with new technologies and standards.

• Planned, reactive, and statutory maintenance on commercial boilers, heating systems, pumps, valves, and associated plant.

• Fault diagnosis, isolation, and repair of gas and mechanical issues

• Testing, purging, and commissioning in line with Gas Safe requirements.

• Support installation works, upgrades, and plant refurbishments.

• Complete all service and safety certification accurately.

• Assist with multi-skilled support when required (electrical, HVAC, plumbing).

• Attend and resolve mechanical or gas emergencies promptly.

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Essential

• Commercial Gas qualifications (COCN1, CODNCO1, CIGA1, CORT1, ICPN1, TPCP1A or equivalent)

• Commercial Gas catering qualifications (CODC1, COMCAT1, COMCAT2, COMCAT3, COMCAT).

• Domestic Gas qualifications (CCN1, CENWAT, CKR1 HTR1)

• Full UK driving license

• Proven experience in commercial gas maintenance and HVAC plant operations

• Competence in fault finding, repair, and commissioning of commercial gas systems

• Experience with both planned maintenance and reactive callouts

• Ability to read mechanical drawings and plant schematics

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Desired

• F-Gas or HVAC awareness

• Electrical qualification (18th Edition or similar)

• IPAF / PASMA

• Part G3 Unvented Hot Water

• mobile role experience, multi-discipline building services background

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