Consultant name: Alfie Woonton

Call for more information on this position: 0203 879 6452

Job reference: 4615-73140196

Date posted: 29/04/2026

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Mobile Commercial Gas Engineer – £60,000+ | Mon–Fri | London & South East

We are currently seeking an experienced Mobile Commercial Gas Engineer to join our growing team, covering London and the South East. This is an excellent opportunity for a skilled engineer looking for a stable Monday–Friday role, competitive salary, and the chance to work on a wide range of commercial and industrial boiler systems.

The Role As a Mobile Commercial Gas Engineer, you will be responsible for maintaining, repairing, and installing commercial boiler systems across multiple sites. The role involves both planned preventative maintenance (PPM) and reactive breakdown work, ensuring systems operate safely and efficiently.

Key Responsibilities

• Carry out planned preventative maintenance (PPM) on commercial and industrial boiler plant and heating systems.
• Respond to reactive breakdowns, diagnose faults accurately, and complete repairs efficiently.
• Perform detailed fault finding across electrical, mechanical, and gas/oil boiler components.
• Undertake boiler installations, commissioning, and decommissioning when required.
• Conduct combustion analysis to ensure optimal efficiency and compliance.
• Complete gas safety inspections and maintain all relevant certification records.
• Identify and repair issues with pumps, valves, plate heat exchangers, flue systems, and control panels.
• Provide clear technical reports detailing work completed, parts used, and recommendations.
• Deliver a professional service to clients, offering technical advice and updates when required.
• Manage van stock and inventory effectively.
• Participate in an out-of-hours call-out rota when required.
• Ensure full compliance with health & safety regulations including Gas Safe, OFTEC, LOLER, COSHH, and CDM.
• Maintain company vehicle, tools, and equipment to a high standard.

Requirements Essential Qualifications & Experience

• Current Commercial Gas Safe certifications, including:
  • COCN1 – Core Commercial Gas Safety
  • ICPN1 – Installation of Commercial Pipework
  • CIGA1 – Commercial Indirect Fired Heating Appliances
  • CDGA1 – Commercial Direct Fired Heating Appliances
  • TPCP1 / TPCP1A – Testing & Purging of Pipework
  • CORT1 – (Desirable but not essential)
• NVQ Level 3 or equivalent in Heating & Ventilation, Gas Engineering, or similar.
• Minimum 5 years’ experience working on commercial or industrial boiler systems.
• Strong fault-finding and diagnostic skills across multiple boiler manufacturers.
• Full UK Driving Licence.
• Excellent understanding of health & safety regulations.
• Ability to read and interpret technical drawings and schematics.

What’s on Offer

• Salary from £60,000+ depending on experience
• Monday to Friday working pattern
• Mobile role covering London & the South East
• Company vehicle, tools, and equipment provided
• Opportunity to join a professional and supportive engineering team

If you’re an experienced Commercial Gas Engineer looking for your next opportunity, apply now to join a well-established and growing company.
Alfie Woonton

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