Salary: £70,000 - 75,000 per year Requirements: Solid hands-on experience with SIEM tools like Splunk, Sentinel, or QRadar. A good understanding of security best practices and standards (ISO 27001/27002, PCI DSS). Familiarity with frameworks such as NIST, ISO, and CIS. Comfortable scripting in Python, PowerShell, and regex. Ability to work across multiple projects while maintaining attention to detail. Responsibilities: Building, tuning, and managing SIEM content such as rules, dashboards, and reports to ensure that threats are not overlooked. Monitoring data to identify issues early and enable quick responses. Collaborating closely with Analysts, Architects, PMs, and Engineers to ensure that the SIEM content meets our needs. Incorporating the latest threat intelligence, vulnerabilities, and attack methods into our operations. Assisting in shaping and maintaining security standards and procedures. Technologies: PowerShell Python Security Splunk Network More: We are looking for a Senior SOC SIEM Content Engineer to join our large and expanding SOC team, supporting some of the most high-profile defense clients. In this role, you will have a significant impact on our operations by building and tuning SIEM content for multiple customers and projects. This is an opportunity where you will truly see the difference your work makes. We offer a hybrid working setup, allowing you to balance home and on-site time while being part of a team that is genuinely growing. If you're ready for this exciting challenge, we encourage you to apply. last updated 5 week of 2026