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Fire and Security Installation and Commissioning Engineer

Ranger Services Holdings LimitedUK, UK🇬🇧United KingdomPosted 28 Sept 2026

Quick Overview

Salary
£38k - £48k/yr
Seniority
Mid Senior
Employment type
Full Time
Work mode
On Site
Location
UK, UK, United Kingdom
Posted
Yesterday
Microsoft Office

Job Description

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:

o Paxton Net2

o Paxton10

o PAC

o Hikvision

o Dahua

o IDIS

o Comelit

o 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)

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 results.

Teamwork - We work collaboratively, supporting one another to achieve shared goals.

Innovation - We embrace technology, continuous improvement, and new ideas to drive success.

Accountability - We take ownership of our work and consistently deliver on our commitments.

Safety - We prioritise the health, safety, and wellbeing of our colleagues, customers, and communities.

Joining Fidelity means becoming part of a wider group that invests in its people, encourages professional development, and provides genuine opportunities for career progression across a nationwide organisation.

As an equal opportunities employer, RangerFS is committed to the equal treatment of all current and prospective employees and does not condone discrimination on the basis of age, disability, sex, sexual orientation, pregnancy and maternity, race or ethnicity, religion or belief, gender identity, or marriage and civil partnership.

We aspire to have a diverse and inclusive workplace and strongly encourage suitably qualified applicants from a wide range of backgrounds to apply and join Ranger.


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