Site Reliability Engineer

Salary: £40,000 - 50,000 per year

Requirements:

• We need hands-on experience with Azure Monitoring, including Application Insights, Alerts, and Action Groups.
• We need strong knowledge of OpenTelemetry, including Kubernetes.
• We need scripting and automation experience with PowerShell and/or Azure CLI.
• We need experience with Terraform and GitHub Actions.
• We need the ability to define SLIs and SLOs and manage error budgets.
• We need incident response and post-incident review experience.
• We need familiarity with Docker and Kubernetes.
• We need strong communication and documentation skills.
• Desirable: working knowledge of .NET/C# and React/NextJS.
• Desirable: experience with cloud cost optimisation.
• Desirable: knowledge of Azure networking, including DNS, VNets, and Firewalls.
• Desirable: understanding of security frameworks such as ISO 27002 and NIST CSF.
• Desirable: Azure certifications.
• We need applicants to have the right to work in the UK, as we are unable to provide visa sponsorship.

Responsibilities:

• We will support teams using ConnellsX and respond to incidents in a structured, blameless way.
• We will investigate root causes and drive post-incident actions to completion.
• We will define SLIs, contribute to SLOs, and monitor error budgets.
• We will build dashboards, alerts, and runbooks to improve visibility.
• We will automate repetitive tasks to reduce operational toil.
• We will collaborate with cross-functional teams to enhance reliability and observability.
• We will support performance testing and capacity planning.
• We will proactively identify and prioritise reliability improvements.

Technologies:

• Azure
• C#
• Cloud
• Docker
• GitHub
• Support
• Kubernetes
• NextJS
• OpenTelemetry
• PowerShell
• React
• Security
• Terraform
• ASP.NET
• DevOps

More:

We are ConnellsX, Connells Group Technologys internal developer platform built on Microsoft Azure. We simplify cloud hosting, embed security and compliance by default, and enable a frictionless developer experience. We are part of the Group Technology Team in Milton Keynes and are hiring a hands-on Site Reliability Engineer to help build and operate a reliable, scalable, and observable platform. We offer a hybrid working arrangement with one day per week in our Milton Keynes office. We are an equal opportunities employer and encourage applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, transgender status, religion or belief, marital status, or pregnancy and maternity.

last updated 30 week of 2026