Security Engineer - SIEM, KQL- sought by investment bank based in London. Inside IR35 - 3 days a week on-site Key ResponsibilitiesSIEM Management and Optimization:Design, implement, and maintain Microsoft Sentinel workspaces, connectors, analytics rules, and playbooksDevelop advanced KQL queries for threat hunting and reportingOptimize SIEM performance, cost, and data retention policiesTroubleshoot click apply for full job ..... full job details .....