Security & Fire Systems Field Engineer — On-Call & Progression

Company: Ranger Services Holdings Limited
Apply for the Security & Fire Systems Field Engineer — On-Call & Progression
Location: South Wheatley
Job Description:

Fidelity, part of the Ranger FS Group, is seeking a Security and Fire Systems Service Engineer to cover Greater London. You will perform corrective and preventative maintenance on integrated security and life-safety systems for commercial sites, with on-site client liaison and on-call duties.

The role requires fault-finding, compliance with safety standards, and mentorship to junior engineers. A full-time, Mon-Fri schedule with on-call rotations and company vehicle is provided.

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Posted: September 25th, 2026