Site Reliability Engineer

Job Overview

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 Allwyn UK, 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.

A bit about the role

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.

What you’ll be doing

Objectives of the role

• 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

Production operations

• 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

Incident response & improvement

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

Observability

• Implement and maintain monitoring using:
• Splunk
• CloudWatch
• Grafana
• Improve:
• Logging quality
• Metrics coverage
• Alerting accuracy
• Contribute to linking system performance to user experience signals

Automation & engineering

• 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

Platform & cloud

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

Collaboration

• Work closely with engineers to:
• Improve service reliability
• Support releases and production readiness
• Contribute to adoption of SRE practices within teams

What experience we’re looking for

Technical

• 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.)
• Troubleshooting & operations
• Ability to diagnose issues in distributed systems
• Familiarity with monitoring and logging tools
• Understanding of Linux systems and networking fundamentals

SRE fundamentals

• Understanding of:
• Monitoring and alerting concepts
• Reliability principles
• Incident response processes
• Willingness to be part of an on-call rotation

Desirable Experience

• Exposure to:
• 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

About us

At Allwyn, we are dedicated to changing lives and growing the National Lottery responsibly, championing its positive impact on people, places, and the planet. We pride ourselves on innovation and constantly look for new ways to excite our customers. Our aim is to have doubled the funds generated for charities and good causes by the end of the first 10-year license. We are committed to sustainability, aiming to become a net zero national lottery by 2030. We believe in creating an inclusive culture where everyone feels they belong and can thrive for the benefit of good causes.

Benefits

Company Bonus Scheme
Matched pension contributions up to 8.5%
26 days annual leave + 2 Life Days (and bank holidays)
Single Private Health Cover
Complimentary Private Medical
Income Protection
Flexible Benefits – EV Scheme, Money Coach, Will Writing, Mortgage Advice, Dental and Eye Care Schemes.
Enhanced Family Leave (Maternity, Paternity, Adoption)