Senior Site Reliability Engineer

  • Jobtailor
  • Milton Keynes, Buckinghamshire
  • 11/07/2026
Full time Information Technology Telecommunications

Job Description

Overview
  • Your primary focus will be on the reliability and uptime of our customer-facing platforms
  • You will be embedded within our unified CloudOps team - a team that brings together platform engineering, SRE, and DevOps functions under one roof
  • Your day-to-day will centre on building stability, responding to active incidents, implementing short-term fixes, and helping to defend the uptime of our customer systems
  • You will also feed into a broader platform, and DevOps work through cross-training and collaborative engineering
  • This role offers a real opportunity for someone who comes with experience but wants to keep growing - learning new skills, shaping improvements, and contributing to how we build and run things for the future
Responsibilities
  • Maintain reliability and uptime of customer-facing platforms
  • Respond to incidents, implement short-term fixes, and contribute to long-term stability
  • Collaborate with the CloudOps team, platform engineering, SRE, and DevOps functions
  • Contribute to ongoing improvements in how we build and run systems
Requirements
  • Demonstrable experience in an SRE or similar operations role within a SaaS business
  • Strong hands-on experience with at least one major cloud provider, with a preference for Microsoft Azure
  • Infrastructure as Code (IaC) - for example, Terraform, Bicep, or ARM templates
  • Container orchestration - for example, Kubernetes or Azure Kubernetes Service (AKS)
  • Monitoring and observability tooling - for example, Prometheus, Grafana, Datadog, or Azure Monitor
  • CI/CD pipelines and version control - for example, GitHub Actions, Azure DevOps
  • AI tooling - proficient in leveraging AI tools to improve operational efficiency, accelerate troubleshooting, automate repetitive tasks, and augment day-to-day engineering workflows
  • Windows Server administration - including Active Directory, DNS, Group Policy, and core Windows Server infrastructure fundamentals
  • Advanced Networking - including TCP/IP, DNS, VPNs, firewalls, load balancers, and general network troubleshooting in cloud and hybrid environments
  • Linux systems administration and networking fundamentals
  • Documentation - proficient in producing clear technical documentation, including runbooks, incident reports, architecture diagrams, and process guides
  • Atlassian suite - hands-on experience with Jira and Confluence for issue tracking, sprint management, and knowledge base management