Role: SIEM Security Engineer - Cyber DefenceRate: Outside IR35Location: Remote with occasional travel to Gloucester Duration: 3-6 initiallySC clearance required Position Summary:We are seeking a Sentinel SIEM and Cloud Security Engineer to join our team and play a critical role in designing, managing, and optimizing Microsoft Sentinel and Defender for Cloud. This role will focus on SIEM architecture, cloud security posture management, security analytics, and automation to enhancesecurity visibility and resilience. You will have the opportunity to work with cutting-edge security tools and continuously evolve your expertise in cloud security.Key Responsibilities SIEM Architecture and Management: Design, deploy, configure, and maintain Microsoft Sentinel, ensuring optimal performance, scalability, and integration with security tools. Cloud Security Design and Integration: Implement and optimize Microsoft Defender for Cloud to enhance cloud security posture, detect misconfigurations, and enforce compliance. Log Management and Analysis: Oversee the ingestion, parsing, and normalization of security logs from Azure, AWS, M365, and hybrid environments to improve threat visibility. Security Event Correlation and Automation: Develop advanced correlation rules, alerts, playbooks, and automation workflows using Sentinel, KQL, and SOAR integrations to enhance threat detection and response capabilities. Cloud Threat Protection: Monitor, analyse, and strengthen security postures across clou