Fire Alarm Commissioning Engineer

Trinity Fire & Security Systems; Whitehall; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading fire safety company in the UK is seeking a skilled Commissioning Engineer to join their London team. You will be responsible for installing and commissioning fire alarm systems at critical sites, ensuring compliance with British Standards and providing outstanding customer service. This position offers a competitive salary, uncapped commission, and opportunities for ongoing training and career progression. Ideal candidates will have experience with systems like Gent and Notifier, and a solid knowledge of fire alarm diagnostics.

Benefits

Uncapped commission

Paid overtime

Employee discounts program

Pension scheme

Company vehicle

Life Assurance

Qualifications

• Experience commissioning and installing fire alarm systems to British Standards.
• Ability to test and terminate cable ends according to instructions.
• Logical fault diagnosis and rectification skills.

Responsibilities

• Install and commission fire alarm systems at customer sites.
• Communicate effectively with customers regarding system status.
• Coordinate with internal stakeholders to meet commitments.

Skills

Commissioning fire alarm systems

Customer communication

Diagnostics and problem resolution

Understanding of building services

Tools

Gent

Notifier

Protec

Job description

Commissioning Engineer - Fire Alarm Systems (Install / Commissioning / Small works)

Location: London | Salary: Competitive in Industry + uncapped bonus scheme

Trinity is seeking a skilled and motivated Works Engineer to join our established London team. This role offers the opportunity to work on high‑profile, critical sites across London and the surrounding area, delivering expertly commissioned fire alarm solutions. You will be responsible for the installation and commissioning of fire alarm and life safety systems, operating within complex, multi‑panel environments.

What's in it for you?

• Regional work, daily - enjoy a better work‑life balance.
• Uncapped commission & enhanced overtime – your effort truly pays off.
• Ongoing training with leading brands like Gent, Notifier, Protec, and Baldwin Boxall.
• Career progression – we invest in our engineers for the long term.

Responsibilities

• Carry out all necessary works required at customer premises in accordance with the Company's quality standards.
• Effectively communicate with customers to ensure a good understanding of system and site status.
• Liaise with works administrators and other internal stakeholders to ensure our commitments are met.
• Work to a planned commission and small works schedule.

Systems

The systems you will work with at Trinity Fire: Gent, Notifier, Advanced, Protec, and other open protocol systems.

Qualifications

• Experience in commissioning, installing and completing small works fire alarm systems to relevant British Standards.
• Ability to identify all types of cable associated with fire detection systems, and to correctly test and terminate the cable ends in accordance with manufacturers' instructions.
• A logical approach to system fault diagnosis and rectification.
• To always provide outstanding customer service.
• Excellent verbal and written communication.

Technical Knowledge

• Understand the basic building services to test cause and effect of fire alarm interfaces.
• A comprehensive understanding of the causes and cures of fire alarm problems, including an ability to recommend changes to practices and processes that may cause false alarms as well as recommending changes to the systems.
• Basic Electrical Safety training (ECA).

Salary & Benefits

At Trinity Fire & Security, we believe in rewarding our employees for their work and commitment. Our remuneration package includes a competitive basic salary and the opportunity to earn more through our uncapped commission scheme which rewards you for your talent, as well as paid overtime and travel time.

We are also committed to providing the training required to support and develop all our employees. As you grow with Trinity, you will be provided the opportunity to undertake industry‑leading training programmes to allow you to excel in your position and progress in the direction you want to take your career.

The total package would include:

• Competitive base salary, plus our uncapped engineer commission scheme
• 23 days holiday which increases with service, plus bank holidays
• Access to an employee discounts programme which includes discounts and cashback across over 800 national retailers
• Pension scheme via Royal London
• Company vehicle plus fuel card
• Paid overtime and travel time (minus 30 minutes each way)
• Employee referral scheme – earn up to £2,000 for each employee you bring into Trinity
• Life Assurance
• Employee Welfare assistance programme