Commercial Gas Engineer

MPI Limited; City Of London; On-site; GBP 45,000 - 55,000; Full time

Job summary

A UK-based engineering firm is seeking a Permanent Commercial Gas Engineer to provide essential gas maintenance services across various commercial sites in London. The ideal candidate will have extensive commercial gas qualifications and experience, a full UK driving license, and the ability to respond promptly to emergencies. This role requires flexibility with hours as it entails a mobile work environment.

Qualifications

• Experience with both planned maintenance and reactive callouts.
• Understanding of F-Gas or HVAC standards.

Responsibilities

• Lead on gas and mechanical maintenance across commercial client sites.
• Carry out PPMs and reactive works on associated systems.
• Respond to emergencies and maintain gas safety records.

Skills

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

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

Proven experience in commercial gas maintenance and HVAC plant operations

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

Ability to read mechanical drawings and plant schematics

Education

Full UK driving license

Job description

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.

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.

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

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