Senior Security Engineer - SIEM, KQL
- Hiring Organisation
- Harvey Nash
- Location
- London, South East, England, United Kingdom
- Employment Type
- Contractor
- Contract Rate
- £500 - £600 per day
investment bank based in London. *Inside IR35 - 3 days a week on-site** Key Responsibilities SIEM Management & Optimization: Design, implement, and maintain Microsoft Sentinel workspaces, connectors, analytics rules, and playbooks Develop advanced KQL queries for threat hunting and reporting Optimize SIEM performance, cost, and data retention policies Troubleshoot … further details - Alex Reeder Harvey Nash 3+ years in a Security Engineer, SOC Analyst, or similar role Hands-on experience with Microsoft Sentinel and KQL Strong knowledge of Active Directory, Windows/Linux systems, and cloud platforms (Azure, AWS, GCP) Proficiency in scripting (PowerShell, Python) Familiarity