Teams at Sibylline Ltd

The HR Manager provides comprehensive generalist HR support across recruitment, payroll, employee relations, performance management, compliance, HR policies, onboarding, offboarding, benefits, and personnel administration. The role maintains accurate HRIS records, supports employee lifecycle processes, assists with talent acquisition and company-wide initiatives, and contributes to change management, workforce development, and continuous performance coaching. The position also advises employees and managers, manages disciplinary and grievance procedures, and collaborates with Talent Acquisition, Finance, and Operations.

Monitors incidents, alerts, and security systems in a 24/7 GSOC; performs event triage, escalation, incident logging, and response coordination. Conducts OSINT and SOCMINT horizon scanning for geopolitical and security threats, prepares intelligence reports and briefings, and supports physical security monitoring through CCTV, access control, and alarm systems. Works rotating onsite shifts, including nights and weekends, while coordinating with stakeholders during incidents and crises.

Conduct EMEA-focused intelligence collection, geopolitical risk analysis, investigations, and risk assessments for a global technology client. Produce strategic and tactical reports, crisis-response updates, and stakeholder briefings supporting personnel, asset, travel, and operational security. Manage intelligence requirements, lead cross-functional projects, monitor threats, and support protective intelligence investigations. The role is primarily onsite in London, with occasional remote work and potential out-of-hours support during emergencies.