https://jobs.co.uk/job/senior-security-engineer-claranet--af76a95e-6754-4387-92bb-58878cb85735 RSS feed for Senior Security Engineer at Claranet. en-gb Fri, 29 May 2026 22:01:17 GMT https://jobs.co.uk/job/senior-security-engineer-claranet--af76a95e-6754-4387-92bb-58878cb85735 https://jobs.co.uk/job/senior-security-engineer-claranet--af76a95e-6754-4387-92bb-58878cb85735 Fri, 29 May 2026 11:51:34 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | The Role The Senior Security Engineer is responsible for the day-to-day operation, maintenance, and optimisation of security platforms supporting a financial services client in a regulated environment. This is a hands-on engineering role where you will ensure security tooling is fully operational, integrated, and performing as expected. You will work closely with the 24/7 Security Analyst team, supporting investigations, resolving platform issues, and driving improvements across detection and response capabilities. This role is client-aligned with 3 days onsite in London. Key Responsibilities Maintain and configure security platforms including SIEM, XDR/EDR, vulnerability and cloud security tooling Perform lifecycle activities including patching, upgrades, and configuration changes Ensure security platforms are fully integrated across on-prem and cloud environments Monitor platform health, performance, and availability, resolving issues proactively Support service transitions, upgrades, and controlled change activities Act as escalation point for platform issues raised by the Security Analyst team Provide engineering support during complex incidents and investigations Implement pl... Permanent