Salary: £15,000 - 20,000 per year Requirements: 5 years in a dedicated Cyber Security Engineering or SOC Tier 3 role Deep hands-on experience with CrowdStrike Falcon Prevent, Insight, and Discover; certification (CCFA/CCFR) is a major plus Proficiency in writing complex Search Processing Language (SPL) and managing Splunk Enterprise Security (ES) Strong understanding of network protocols, cloud security (AWS/Azure), and the MITRE ATT&CK framework 2 years using Vulnerability Assessment tools would be a bonus Exposure to Penetration Testing and Web Application Testing Certification in foundational Cyber Security (e.g., CompTIA Security, Network, CySA, GSEC) Advanced certifications such as CISSP, GCIH, GCIA, CCSP are desirable Splunk Certified Cybersecurity Defense Engineer (Mandatory) Responsibilities: Lead the deployment, policy configuration, and maintenance of the CrowdStrike Falcon platform Work with our SOC partner to architect and optimize Splunk dashboards, alerts, and data models to identify sophisticated threats Serve as a technical escalation point for high-priority security incidents, utilizing EDR and SIEM tools for rapid containment Develop SOAR workflows (Security Orchestration, Automation, and Response) to reduce manual intervention and improve response times Proactively search for undetected malicious activity using specialized queries Build up the Crowdstrike, Splunk, and Security Analysis skills within the existing team Technologies: AWS Architect Azure Cloud Network Security Splunk Web More: We are a local authority based in East London urgently seeking an experienced Senior Cyber Security Engineer to join our team. This role is vital for maximizing the potential of our outsourced Security Operations Centre (SOC). We offer a competitive rate of £500 a day Umbrella. The successful candidate will be responsible for leading cybersecurity initiatives, optimizing our SOC capabilities, and enhancing the skills of our existing team. We appreciate your interest in this role and look forward to your application. last updated 18 week of 2026