Onsite Security Ops Supervisor — 24/7 CCTV & Response

Sibylline; Greater London; On-site; GBP 38,000 - 52,000; Full time

Job summary

Sibylline in London is seeking an experienced Security Operations Supervisor to join our embedded client team, providing shift leadership for 24/7 operations and ensuring high standards of security across all activities.

You will manage alarm responses, CCTV monitoring, access control and incident handling, with a requirement for a valid SIA CCTV licence and a rotating 5x8 shift pattern that includes nights and weekends.

Qualifications

• Bachelor's degree or equivalent experience preferred.
• 3+ years of operational security, GSOC, or security operations experience.
• Previous supervisory, shift-lead, coaching, or mentoring experience preferred.

Responsibilities

• Supervise daily shift activities and provide leadership to Operators.
• Review alarms, incidents, dispatches, and escalations to ensure proper handling.
• Support emergency response and incident coordination activities.
• Monitor CCTV, access control, and badge management processes for quality and compliance.
• Review reports, logs, and documentation for accuracy and completeness.
• Conduct shift handovers and maintain operational continuity across shifts.
• Provide coaching, mentoring, and on-the-job training.
• Support workforce scheduling, coverage, and escalation management.
• Act as shift lead during critical incidents and facility disruptions.

Skills

Operational security

Incident management

CCTV knowledge

Access control

Leadership

SIA CCTV licence

Written communication

Shift leadership

Education

Bachelor's degree or equivalent

Job description

Sibylline in London is seeking an experienced Security Operations Supervisor to join our embedded client team, providing shift leadership for 24/7 operations and ensuring high standards of security across all activities.

You will manage alarm responses, CCTV monitoring, access control and incident handling, with a requirement for a valid SIA CCTV licence and a rotating 5x8 shift pattern that includes nights and weekends.