Fire Alarm Engineer - Commissioning

Trinity Fire & Security Systems Ltd; Hounslow; On-site; GBP 36,000 - 60,000; Full time

Benefits offered by this job

Night shift uplift

Overtime pay

23 days annual leave

Company van

Fuel card

Employee discount

Pension

Life Assurance

Employee Assistance Programme

Employee referral bonus

Training & accreditations

Job summary

Trinity Fire & Security Systems Ltd is seeking an experienced Fire Alarm Engineer to commission Gent/Honeywell systems at Heathrow Airport and provide high‑quality technical support. The role focuses on compliance, reliability and exceptional customer service in a site-based environment.

You will be supported by coordinators and specialists to maintain engineering standards and deliver outstanding service at one of the UK\'s premier sites.

Qualifications

• Proven experience commissioning fire alarm systems. Gent highly desirable.
• Strong fault-finding and diagnostic skills.
• Good knowledge of relevant British Standards.
• Excellent communication and customer service skills.
• Full UK driving licence.

Responsibilities

• Deliver planned commissioning of Gent/Honeywell systems.
• Diagnose faults and deliver effective, compliant solutions.
• Provide professional technical advice and updates to customers.
• Maintain accurate service records and documentation.
• Ensure all work is completed in line with relevant standards and company procedures.

Skills

Fire alarm commissioning

Fault-finding

Communication skills

Electrical safety

Full UK driving licence

Gent/Honeywell systems

Tools

Gent/Honeywell systems

Job description

Fire Alarm Commissioning Engineer – Heathrow Airport

Location: Heathrow Airport

Shift Pattern: 9pm - 5:30am (Monday - Friday)

On-Target Earnings: Up to £60,000 (inclusive of guaranteed night shift uplift, overtime opportunity)

Join Trinity Fire & Security

Trinity Fire & Security Systems is looking for an experienced Fire Alarm Engineer to join our team, delivering high-quality commissioning and technical support to the UK's biggest airport.

You will commission Honeywell Gent systems, ensuring compliance, reliability and exceptional customer service. You'll be supported by dedicated Coordinators and Technical Specialists, allowing you to focus on delivering outstanding engineering standards.

What's in it for you?

• Site based work: Work at one of the UK's most prestigious sites.
• Ongoing industry training: Access ongoing manufacturer training and accreditations with leading industry brands.
• Dedicated Support: Work alongside experienced Works Coordinators and Technical Specialists who help you deliver the highest standards of service.

Key responsibilities:

• Deliver planned commissioning of Gent Honeywell systems.
• Diagnose faults and deliver effective, compliant solutions.
• Provide professional technical advice and updates to customers.
• Maintain accurate service records and documentation.
• Ensure all work is completed in line with relevant standards and company procedures.

About You

We're looking for a technically capable and customer-focused engineer who takes pride in delivering high-quality work.

• Proven experience commissioning fire alarm systems. Gent highly desirable.
• Strong fault-finding and diagnostic skills.
• Good knowledge of relevant British Standards.
• Excellent communication and customer service skills.
• Strong technical understanding with a focus on electrical safety (ECA or equivalent desirable).
• Full UK driving licence.

What We Offer

• Competitive base salary with Night Shift Uplift and enhanced paid overtime.
• 23 days' annual leave, increasing with service, plus bank holidays.
• Company van and fuel card.
• Employee Discount Programme with savings at over 800 retailers.
• Pension, Life Assurance and Employee Assistance Programme.
• Employee referral bonus of up to £2,000.
• Ongoing training, manufacturer accreditations and career development opportunities.

If you're looking for a role offering regional coverage, uncapped earning potential, ongoing training and long-term career development, we'd love to hear from you.

Equal Opportunities in Practice

We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.

Security Vetting

It is an industry requirement that successful candidates undergo security vetting. Offers of employment are subject to satisfactory vetting and may be withdrawn if the required standards are not met.

Armed Forces Covenant

PTSG Group is proud to support the Armed Forces community and has formally signed the UK Armed Forces Covenant.

We recognise the valuable skills and experience that service leavers, veterans, reservists, and military families bring to the workplace, including leadership, teamwork, resilience, and technical expertise.

As part of our commitment, we guarantee an interview to ex-Forces applicants who meet the minimum criteria for the role and are committed to supporting Armed Forces personnel in building long-term civilian careers.