My client is a prestigious government organisation, seeking a Senior Cyber Security Engineer to join a team responsible for all infrastructure, end user computing, onsite support, and delivery of technology projects. The requirement is to deliver against the initial phase of the security monitoring project-onboarding critical services, proactively monitored by their in-house SOC. Contract Length: End date 2nd December 2025 - possible extension Location: London (Canary Wharf) - Ideally 1-2 days per week - However, there is scope for fully remote Essential Criteria for the Role 2+ years in security platforms management (SIEM, SOAR). Expertise in enterprise-level monitoring and supporting large user bases (10,000+ users). Experience in creating/managing security playbooks and knowledge of public sector standards. Experience in Xsiam correlation/ playbooks. Excellent communication skills, able to articulate technical concepts to diverse audiences. Technical requirements Proven experience with Cortex XDR, Cortex Data Lake, and Cortex XSOAR. Solid understanding of cloud security, network/system security fundamentals, and scripting for automation. Desirable Qualifications Familiarity with compliance and security standards (GDPR, HIPAA, NIST). Familiarity with Infrastructure as Code