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Fire and Security Installation and Commissioning Engineer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Ranger Services Holdings Limited
Full Time position
Listed on 2026-10-01
Job specializations:
  • Trades / Skilled Labor
    Security Systems Installation, Installation Technician, Maintenance Technician / Mechanic, Field/Service Technician
Salary/Wage Range or Industry Benchmark: 38000 - 48000 GBP Yearly GBP 38000.00 48000.00 YEAR
Job Description & How to Apply Below
Fire & Security Installation & Commissioning Engineer

Full-Time | Monday to Friday | 08:00 – 17:00

Location:

Greater London & Home Counties

Salary: £38,000 - £48,000 (depending on experience)

Join Fidelity Integrated Systems, Part of the Ranger Fire & Security Group

Fidelity Integrated Systems is a progressive and expanding NACOSS Gold and BAFE Fire Gold accredited business, specialising in the design, installation, commissioning, and maintenance of integrated fire and security systems for commercial customers.

As part of the growing Ranger Fire & Security Group, Fidelity combines the expertise and customer focus of a specialist regional business with the stability, investment, and career opportunities of one of the UK's fastest-growing fire and security groups. Ranger Fire & Security Group's mission is to deliver peace of mind through a technology-enabled, one-stop solution for all fire and security requirements.

Due to continued growth, we are looking to recruit an experienced Fire & Security Installation & Commissioning Engineer to join our team covering Greater London and the Home Counties.

About the Role

You will be responsible for the installation, commissioning, handover, and client training of a wide range of integrated fire and security systems. This is an excellent opportunity for a motivated engineer who can work independently while maintaining the highest standards of workmanship and customer service.

Our Core Services
  • Access Control
  • CCTV
  • Audio/Video Entry Systems
  • Intruder Alarms
  • IP-Based Security Systems
  • Fire Alarm Systems
Key Responsibilities
  • Installation of fire and security systems from first fix through to commissioning.
  • Completion of second fix works, testing, commissioning, handover, and client training.
  • Ensure all works are delivered to relevant standards and company procedures.
  • Provide daily project updates to the Project Manager.
  • Supervise, mentor, and support apprentice engineers.
  • Maintain excellent customer relationships whilst on site.
  • Ensure projects are completed safely, efficiently, and to a high standard.
Skills & Experience Required Technical Requirements
  • Strong industry knowledge across integrated security systems.
  • Basic knowledge of fire alarm systems.
  • Experience with industry-leading products including:
  • Paxton Net2
  • Paxton
    10
  • PAC
  • Hikvision
  • Dahua
  • IDIS
  • Comelit
  • Fermax
  • Sound understanding of electrical principles.
  • Knowledge of relevant British and European Standards.
  • Ability to manage installations independently from start to completion.
Personal Attributes
  • Excellent communication skills.
  • Strong organisational and time-management skills.
  • Team-oriented approach.
  • Self-motivated with a proactive attitude.
  • Confident user of Microsoft Office applications.
  • Ability to supervise and support junior engineers.
  • Capable of working autonomously and using initiative.
Salary & Benefits

Salary:
Competitive - TBC dependent on experience

In return, Fidelity offers an excellent package including:

  • Company van and fuel card
  • Paid overtime
  • Company mobile phone, tablet, and laptop
  • Full uniform and PPE provided
  • Specialist tools supplied
  • Pension scheme
  • Life insurance x 4 of annual salary
  • Private medical insurance
  • Ongoing training and development
  • Career progression opportunities across the Ranger Fire & Security Group
  • Employee referral bonus scheme
  • Staff social events
  • 25 days holiday & bank holidays (option to buy 5 extra)
Core Values

As part of the Ranger Fire & Security Group, we look for individuals who demonstrate our core values in everything they do:

  • Customer First
    - We put our customers at the centre of every decision and always strive to exceed expectations.
  • Integrity
    - We do the right thing, act honestly, and take responsibility for our actions.
  • Excellence
    - We are committed to delivering the highest quality workmanship, service, and…
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