Career Opportunities: Systems Engineer

Company: G4S
Apply for the Career Opportunities: Systems Engineer
Location: London
Job Description:

Overview

In this role you will service and maintain a range of security systems for sites around Twickenham, working remotely but within distance of the area. You will conduct on-site maintenance, rectify faults on first visit where possible, and run preventative maintenance programs. You’ll collect site data, manage spares, and keep accurate records while supporting out-of-hours coverage and small project commissioning. You’ll train customers and colleagues and contribute to QA audits, within a collaborative, safety-focused team. This is a hands-on, impact-driven technical role in a global security leader.

Pay / Benefits

  • Company Car/Van
  • Workplace pension scheme
  • Contributory Healthcare Scheme
  • Eyecare vouchers
  • Employee Discount Schemes
  • Progression, training & development opportunities

Responsibilities

  • Attend maintenance calls on-site or by phone as directed
  • Rectify faults on first visit when possible
  • Execute rolling programme of preventative maintenance visits
  • Collect and record site configuration information
  • Maintain spare parts stock levels
  • Maintain accurate and timely records
  • Provide rotating out-of-hours cover
  • Commission small projects when required
  • Audit quality procedures and ensure compliance
  • Provide training to customers and colleagues
  • Perform additional tasks as needed

Key requirements

  • Electrical/mechanical experience
  • Experience installing and servicing access control, CCTV, and intruder alarm systems
  • Experience servicing fire alarm systems, ideally GENT
  • IT qualification and/or Electrical/Electronic qualification
  • Broad technical IT knowledge (Windows OS, networking)
  • Knowledge of basic electrical principles (voltage, current)
  • Strong attention to detail and paperwork accuracy
  • Team player able to work under pressure and maintain professionalism
  • team collaboration
  • under pressure performance
  • attention to detail
  • Access control systems
  • CCTV systems
  • Intruder alarm systems

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Posted: October 1st, 2026