Site Reliability Engineer

At the heart of everything we do is our vision to change lives every day, and our mission to grow The National Lottery responsibly and champion its impact.

We are the company, part of the Allwyn Entertainment Group – a multi-national lottery operator with a market-leading presence across the USA (Michigan and Illinois) and Europe, including Czech Republic, Austria, Greece, Cyprus and Italy.

While the main contribution of The National Lottery to society is through the funds to good causes, at Allwyn we put our purpose and values at the heart of everything we do. Join us as we embark on a once-in-a-lifetime, large scale transformation journey by creating a National Lottery that delivers more money to good causes.

We’ll talk a bit more about us further down the page, but for now – let’s talk about the role and who we’re looking for…

At Allwyn, the Site Reliability Engineer supports the reliability and performance of digital services by operating production systems, building automation, and improving observability.

You will work closely with Senior SREs and engineering teams to ensure services remain stable, scalable, and well-instrumented across both steady-state and high-demand events.

• Maintain reliable production services across digital platforms
• Improve monitoring, alerting, and observability coverage
• Reduce operational toil through automation
• Support incident response and continuous improvement
• Contribute to performance and scaling of services

• Participate in 1-in-4 on-call rotation:
• Respond to incidents
• Support out-of-hours diagnosis
• Monitor system health across:
• + Web and mobile platforms

• + Games platforms
• + Player services

• Troubleshoot issues across application, infrastructure, and network layers

• Support incident triage and resolution
• Participate in post-incident reviews and implement remediation actions
• Maintain and improve runbooks and operational documentation

• Implement and maintain monitoring using:
• + Splunk

• + Cloud Watch
• + Grafana

• Improve:
• + Logging quality

• + Metrics coverage
• + Alerting accuracy

• Contribute to linking system performance to user experience signals

• Develop scripts and tooling to:
• + Reduce manual tasks

• + Improve repeatability and reliability

• Contribute to infrastructure management using Terraform
• Support deployment processes and CI/CD improvements

• Work with AWS services (primarily ECS, with exposure to EKS/Kubernetes)
• Support scalability and availability improvements
• Assist in performance tuning and capacity planning

• Work closely with engineers to:
• + Improve service reliability

• + Support releases and production readiness

• Contribute to adoption of SRE practices within teams

• Experience in cloud environments (AWS preferred)
• Working knowledge of:
• + Containers (ECS; exposure to Kubernetes is a plus)

• + Infrastructure as Code (Terraform)

• Basic programming/scripting capability (Python, Bash, etc.)

• Ability to diagnose issues in distributed systems
• Familiarity with monitoring and logging tools
• Understanding of Linux systems and networking fundamentals

• Understanding of:
• + Monitoring and alerting concepts

• + Reliability principles
• + Incident response processes

• Willingness to be part of an on-call rotation

• + SLOs / SLIs / error budgets
• + CI/CD pipelines
• + Performance and load testing

• Familiarity with observability platforms used in modern digital estates
• Experience in customer-facing, high-availability systems

At Allwyn, we are dedicated to changing lives and growing the National Lottery responsibly, championing its positive impact on people, places, and the planet.

• Innovation - We pride ourselves on it! We’re constantly looking for new ways to excite our customers, bringing new products to market to enjoy which is all supported by our responsible play values and making them accessible to all.
• Giving back – Did you know that playing the lottery generates around £30m a week for charities and good causes in the UK? Our aim is to have doubled this number…