Senior Service & Maintenance Engineer

Senior Service & Maintenance Engineer CCTV & Access Control Focus £46,000 – £50,000 basic DOE London – Site Based Permanent, Full-Time I’m recruiting for a Senior Service & Maintenance Engineer to support a well-established, high-quality electronic security integrator operating across commercial and construction environments in London. This role is ideal for an experienced engineer who enjoys complex fault finding, taking ownership of live systems, and being trusted as the senior technical point on site. You’ll be responsible for keeping critical fire and security systems operational, compliant and reliable, while acting as a calm, professional presence with clients. This is a hands-on senior role with no people management — focused on technical excellence, autonomy and long-term system performance. The Role As a Senior Service & Maintenance Engineer, you’ll take ownership of both planned preventative maintenance and complex reactive faults across a varied client portfolio. You’ll be trusted to investigate issues thoroughly, identify root causes, carry out effective repairs and recommend sensible remedial or upgrade solutions where required. Your day-to-day will include: Planned preventative maintenance across fire & security systems Diagnosing and resolving complex or recurring faults Servicing live systems including CCTV, Access Control, Intruder and Fire Alarms Root-cause analysis to reduce repeat call-outs and downtime Repair, replacement and recommissioning of equipment Producing accurate, audit-ready service documentation Acting as a senior, client-facing technical representative Advising clients on system condition, risks and next steps Supporting installation and commissioning teams where servicing expertise is required Participating in an on-call rota as an escalation-level engineer This role plays a key part in maintaining system integrity, client confidence and long-term service relationships. Technical Scope CCTV, Access Control, Intruder and Fire Detection systems Preventative maintenance, diagnostics, repair and recommissioning Legacy and modern platforms IP-based environments including networking fundamentals Live, operational sites where accuracy and reliability are critical Location & Travel London-based client sites Role designed around public transport travel Monthly travel costs covered (Zones 1–2) No company vehicle required What They’re Looking For Minimum 5 years’ experience servicing electronic security systems Strong fault-finding and diagnostic capability Solid knowledge of CCTV, Access Control, Intruder and Fire systems Familiarity with BS5839, BS7671 and industry codes of practice Confident, professional client-facing communication Ability to manage workload and priorities independently Strong commitment to health & safety Ability to pass background vetting / BPSS or SC clearance Desirable but not essential: IP networking knowledge Level 3 (or higher) electrical/electronic qualification ECS / CSCS card FIA modules or fire systems training Manufacturer training (e.g. Paxton, Avigilon, Gallagher, Salto, Texecom, Hikvision) Salary & Package £46,000 – £50,000 basic salary Paid on-call rota Monthly travel costs covered Company phone, tools, uniform and PPE Fully funded, role-relevant training and certifications Employee ownership scheme (after qualifying period) 20 days holiday plus bank holidays Why This Role? Senior, respected servicing position Complex, technically interesting systems Autonomy and trust on site Strong training and standards Long-term stability within a quality-driven environment If you’re a Senior Service / Maintenance Engineer who enjoys solving problems properly and being relied on for your technical judgement, I’d be happy to talk through the role in confidence