Salary: £109,200 - 139,200 per year Requirements: Active MOD DV clearance Sole British National Advanced skills in Splunk (Enterprise & ES) Proficient in TA/TAF configuration, props/transforms, and parsing Experience with KV store, summary indexing, and search head clustering Hands-on experience with Elastic Stack and Elastic Security Skilled in designing and tuning detection rules (KQL, EQL) Strong client management and relationship-building skills Excellent analytical and problem-solving abilities Proven experience in production environments Desirable experience in Automation, IaaC, and technical operations Responsibilities: Lead the design, documentation, and installation of security monitoring tools/platforms Provide data to the Security Operational Centre (SOC) for analysis Ensure correct tooling is operating for client protection and monitoring Collaborate with cross-functional teams to assess risks and design controls Define testing requirements for security monitoring solutions Technologies: Security Splunk Support More: We are a committed team located in Hemel Hempstead, looking for a Security Engineer who is passionate about leading the design and implementation of security monitoring tools. Our organization values respect and equality, fostering a diverse and inclusive community. We offer a dynamic work environment with opportunities to develop your skills further. We welcome applications from people of all backgrounds and perspectives. last updated 18 week of 2026