Site Reliability Engineer

About the Role

We are seeking a Senior Level 3 Wintel Site Reliability Engineer (SRE) to join our infrastructure engineering function in London. This is a hands-on "builder" position focused on modernizing, automating, and maintaining our enterprise Windows Server ecosystem and hybrid cloud integrations.

Moving away from routine ticket handling, this role demands a code-first engineering mindset. You will treat infrastructure as code, design resilient architecture, and author production-grade CI/CD automation pipelines to eliminate operational toil across enterprise Windows, Active Directory, and hybrid Azure platforms.

Key Responsibilities

• CI/CD Pipeline Authoring: Design, build, and maintain production-grade infrastructure deployment pipelines using Azure DevOps (YAML/Git) to deliver automated, auditable, and reliable infrastructure changes.
• Code-First Infrastructure Automation: Leverage PowerShell (including PowerShell DSC / module development) and Infrastructure as Code (Terraform) to automate OS deployment, configuration management, and lifecycle processes across hybrid server estates.
• Level 3 Infrastructure Operations: Serve as the senior technical escalation point for complex Windows Server OS internals, Active Directory forests, G...