Security and Fire Systems Service Engineer

Ranger Services Holdings Limited • St Mary Cray, Greater London • Posted July 03, 2026

About the Role

Security and Fire Systems Service Engineer

Full-time, Monday to Friday – 08.00 -17.00

Greater London

Fidelity, part of the Ranger FS Group is a progressive and expanding NACOSS Gold and BAFE FIRE Gold accredited Integrated Security and Fire Systems company concentrating exclusively on commercial applications. This is a great opportunity to join a friendly and motivated team, with a family ethos and excellent career progression opportunities.

Fidelity's core services are:

·Access Control

·Video Surveillance Systems

·Audio/Video Entryphone

·Intruder Alarms

·IP Based Systems

·Fire Alarms

·Smoke Vents

·Emergency Lighting

·Gate Automation

·Door Automation

Responsibilities:

* Corrective maintenance works - to include fault finding, troubleshooting and a first-time fix whenever possible

* Remedial and small works

* Preventative maintenance

* Client on si...