Commercial Gas Engineer in City of London

Commercial Gas Engineer — B2B Sites (London)

Salary: £45,000-£52,000 depending on Experience. Hours: 8:00-17:00. Holidays: 28 Days incl. Bank Holiday. Package: Company Van & Fuel Card, Uniform/PPE, PDA, Training & Renewals support.

The role

Maintaining and repairing heating plant across managed sites — including schools, care homes, leisure centres, places of worship, residential blocks and offices. You\’ll deliver a mix of PPM, breakdowns, repairs and upgrades on commercial systems, ensuring safe, compliant, and tidy work.

What you\’ll do

• Diagnose and repair commercial boilers/burners, pumps, pressurisation units, plate heat exchangers, control valves and gas safety systems
• Complete statutory gas safety checks, tightness testing/purging (as qualified) and all RAMS/permits and job documentation
• Carry out planned maintenance and winter-readiness tasks; identify remedial works and support quotations
• Interface with BMS/controls and provide clear client updates on risks and next actions
• Use BigChange for real-time notes, photos, certificates and parts
• Participate in the call-out rota (shared fairly and scheduled in advance)

What you\’ll bring

• Gas Safe with in-date commercial ACS such as CODNCO1/COCN1, CIGA1, CDGA1, ICPN1, TPCP1A/TPCP1 (as applicable)
• Proven fault-finding on commercial plant rooms and good understanding of schematics/BMS interaction
• Must supply own flue gas analyser with in-date calibration certificate
• Full UK driving licence; strong communication and client-facing skills; high standard of paperwork and H&S compliance
• Desirables: F-Gas, 18th Edition, confined spaces, IPAF/PASMA, SSSTS, manufacturer training (e.g., Ideal, Hamworthy, Remeha)
• Willingness to complete DBS checks where site safeguarding requires it (e.g., schools & care settings)