24/7 Security Operations Supervisor - London GSOC Lead

Sibylline Ltd. is seeking an experienced Security Operations Supervisor to join us in an embedded role supporting the client's 24/7 global security operations in London.

You will provide shift leadership, oversee alarms, dispatch, access control, incident management, CCTV monitoring, and QA processes while acting as akey escalation point for Operators. This onsite role requires 5x8 hour shifts (early, late, nights), including weekends, with flexibility to cover gaps.