DevSecOps Security Engineer – Cloud Infra & SIEM Automation

Company: Companies House
Apply for the DevSecOps Security Engineer – Cloud Infra & SIEM Automation
Location: Cardiff
Job Description:

Companies House in Cardiff seeks a Security Operations DevSecOps Engineer to design, build and maintain security infrastructure across AWS and Azure, and to develop and manage IaC with Terraform. You will build secure CI/CD pipelines, engineer Sentinel integrations, and drive improvements across Security Operations.

The role focuses on automating detection, monitoring, and response, while collaborating with analysts and engineering teams to deliver scalable security solutions.

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Posted: September 24th, 2026