Senior Security Engineer

Jobleads-UK • Cardiff, Wales, United Kingdom • Posted June 01, 2026

Location Cardiff, Wales
Job Type Full-time
Category other-general
Posted June 01, 2026

We are seeking a highly skilled and experienced Senior Security Engineer to join our Managed Security Service Provider (MSSP) team. You will be responsible for driving our adoption of Sentinel, client onboarding projects, managing multi-vendor SIEM proof of concepts with a specific focus on a Microsoft Sentinel, developing custom connectors to ingest log data into SIEM tooling. The ideal candidate will possess a deep understanding of infrastructure as code (IaC) and DevOps Pipelines with Bicep/Terraform and proficiency in scripting/programming languages such as Python/Go.

Experience with Sentinel deployments, log management, and threat detection is required, including expertise in dashboard creation, query development, and alert configuration.

Additional experience in Splunk deployments is beneficial.

This role sits within our MSSP team, as a senior member of the security engineering team focused on growing our SIEM management capabilities and integrating thos...

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