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Commercial Combustion Engineer

Job in Oxford, Oxfordshire, OX1, England, UK
Listing for: Build Recruitment
Full Time position
Listed on 2026-11-04
Job specializations:
  • Trades / Skilled Labor
    HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
Salary/Wage Range or Industry Benchmark: 60000 GBP Yearly GBP 60000.00 YEAR
Job Description & How to Apply Below

Oxford, Swindon and surrounding areas
Up to £60,000 per annum
Full-time, Permanent

The Opportunity

We are currently recruiting for an experienced Mobile Commercial Combustion Engineer on behalf of a well-established building services and commercial gas engineering company. This is an excellent opportunity to join a respected business with a strong reputation for technical expertise, quality service and long-standing client relationships.

The company has decades of industry experience and is part of a wider national engineering and technical services group, offering the stability and support of an established organisation alongside a close-knit team environment.

The successful candidate will cover Oxford, Swindon and the surrounding areas, carrying out planned preventative maintenance, reactive maintenance, fault finding and additional works across a range of commercial HVAC and combustion plant.

We are keen to speak with engineers who have a strong background in commercial building services, excellent fault-finding skills and experience working independently across multiple sites.

Key Responsibilities

  • Carry out planned preventative maintenance (PPM) on commercial heating, combustion and HVAC plant.
  • Diagnose faults and undertake reactive maintenance and repairs.
  • Respond to emergency call-outs and additional works as required.
  • Ensure all equipment operates safely, efficiently and in accordance with relevant regulations and compliance standards.
  • Identify potential issues and recommend appropriate remedial works.
  • Maintain accurate service records, reports and relevant compliance documentation.
  • Deliver a professional service while maintaining positive relationships with clients and site contacts.
  • Work independently across multiple commercial sites within the Oxford, Swindon and surrounding areas.

Candidate Requirements

To be considered for this opportunity, you should have:

  • Proven experience as a Mobile Commercial Combustion Engineer or Commercial Gas Engineer.
  • Strong knowledge of commercial heating systems, combustion equipment and associated plant.
  • Experience working across multiple commercial sites.
  • A solid background in building services maintenance.
  • Excellent fault-finding, diagnostic and problem-solving skills.
  • A good understanding of building services compliance and health and safety requirements.
  • Relevant mechanical, gas or HVAC qualifications.
  • A full, valid UK driving licence.

Skills and Qualifications

Candidates should ideally hold relevant ACS qualifications and certifications, including:

  • CCN1 – Core Domestic Natural Gas Safety
  • CENWAT1 – Central Heating Boilers and Water Heaters
  • CKR1 – Domestic Cooking Appliances
  • HTR1 – Domestic Fires and Wall Heaters
  • UDHW – Unvented Domestic Hot Water Systems
  • LCWR – Water Regulations
  • CODNCO1 – Domestic to Commercial Gas Safety Changeover
  • ICPN1 – Installation of Commercial Pipework
  • CIGA1 – Indirect-Fired Appliances
  • CDGA1 – Direct-Fired Appliances
  • CORT1 – Radiant and Tube Heaters
  • BMP1 – Gas Boosters
  • TPCP1 and TPCP1A – Testing and Purging of Installation Pipework

Relevant commercial gas, combustion and HVAC qualifications and experience are essential. Candidates with a strong commercial gas background are encouraged to apply to discuss their suitability.

Salary and Benefits

  • Salary of up to £60,000 per annum, depending on experience and qualifications.
  • Company van and fuel card.
  • Company expense payment card.
  • Company phone or device.
  • 25 days’ annual leave.
  • Wellbeing benefits, including access to GP appointments with a 24-hour turnaround for the whole family.
  • Company events.
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