Fire Alarm Engineer - Install

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

Benefits offered by this job

Night Shift Uplift

Company van and fuel card

Pension

Employee discount programme

Employee referral bonus up to £2,000

Ongoing training and careerDevelopment

Job summary

Trinity Fire & Security Systems Ltd is seeking an experienced Fire Alarm Install Engineer to join our Heathrow Airport team, delivering installation, commissioning and ongoing support for Gent/Honeywell systems.

You will work on site at Heathrow, with a 9pm–5:30am shift and a clear OTE up to £60,000, including night uplift and overtime opportunities.

Qualifications

• Proven experience installing and 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.

Responsibilities

• Deliver planned installation and commissioning on 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 installation

Fault finding

British Standards knowledge

Strong customer service

Electrical safety awareness

Full UK driving licence

Tools

Gent Honeywell systems

Job description

Fire Alarm Install 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 installation, commissioning and technical support to the UK’s biggest airport.

You will install and 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 installation and commissioning on 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 installing and 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 site based work, 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.

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