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Senior Fire Engineer (London/M25 Corridor)

Harmony Fire
London, GBR
Full-time
Senior
Onsite
Discovered 1 months ago
BS 5839BS 5266

Full Job Posting

Key Responsibilities

  • Carry out planned preventative maintenance (PPM), reactive call-outs, and commissioning of fire alarm systems, emergency lighting, and associated fire safety systems across London and the M25 corridor.
  • Produce accurate, fully compliant certification and service documentation following every visit, ensuring records are completed in line with BS 5839, BS 5266, and client requirements.
  • Diagnose and resolve faults efficiently and accurately, minimising system downtime and keeping clients informed throughout.
  • Carry out system commissioning and handover for new installations, ensuring all documentation, test records, and certifications are completed to the required standard.
  • Act as the senior technical point of contact on site — providing guidance to junior engineers where required and representing Harmony’s standards at all times.
  • Maintain your van stock, test equipment, and tools to the required standard, ensuring you are always equipped to carry out your work.
  • Liaise with clients and site contacts professionally, communicating findings, recommendations, and next steps clearly.
  • Complete all job management system entries accurately and on time, including time logging, parts usage, and site notes.
  • Participate in the out-of-hours emergency callout rota as required.

Skills, Knowledge & Expertise

  • An A-player mindset — high standards, extreme ownership and the drive to do things properly, the first time.
  • Proven hands-on experience maintaining, servicing, and commissioning fire alarm systems and emergency lighting to BS 5839 and BS 5266.
  • Strong fault-finding and diagnostic skills — able to resolve complex system issues efficiently and accurately.
  • Solid working knowledge of fire alarm panel types and manufacturers — comfortable working across a range of systems.
  • Experience producing compliant service records, commissioning documentation, and certification.
  • Confident acting as a senior engineer on site, providing technical guidance and setting the standard for quality.
  • Strong communication skills — professional and clear when dealing with clients and site contacts.
  • Able to manage your own workload and travel schedule across London and the M25 corridor.
  • Full UK driving licence.
  • FIA, ECS, or equivalent industry qualification (preferable).

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