https://jobs.co.uk/job/senior-security-engineer-claranet-limited--674a2e12-cfb0-4ced-9ed6-a540b10d207a RSS feed for Senior Security Engineer at Claranet Limited. en-gb Fri, 19 Jun 2026 18:26:19 GMT https://jobs.co.uk/job/senior-security-engineer-claranet-limited--674a2e12-cfb0-4ced-9ed6-a540b10d207a https://jobs.co.uk/job/senior-security-engineer-claranet-limited--674a2e12-cfb0-4ced-9ed6-a540b10d207a Fri, 19 Jun 2026 11:51:41 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | Role OverviewWe''re looking for a Security Engineer to support the operation, optimisation, and continuous improvement of enterprise security platforms across a complex client environment. You''ll work closely with SOC analysts, engineers, and client teams to ensure tooling is effective, resilient, and aligned to evolving threats.Key ResponsibilitiesMaintain and optimise security platforms including SIEM (Microsoft Sentinel), Defender stack, vulnerability management, DLP, and cloud security toolsEnsure platforms are integrated, performing effectively, and aligned to client requirementsSupport incident response by resolving platform issues, enabling telemetry, and making technical changes where requiredDeploy and tune detection rules, improving alert quality and reducing false positivesSupport automation initiatives (e.g. SOAR, LogicApps) to drive operational efficiencyCollaborate with SOC providers and internal teams on platform performance, log ingestion, and ongoing improvementsMaintain clear documentation and operate within change control and compliance frameworksSkills and ExperienceStrong hands-on experience with Microsoft Sentinel, Defender, and security tooling in a SOC or m... Permanent