Senior / Lead Site Reliability Engineer

Job summary

The Senior/Lead Site Reliability Engineer at Allwyn UK is responsible for technical leadership in reliability engineering, ensuring high availability and performance of customer-facing systems.

Qualifications

• Strong experience in cloud environments, ideally AWS
• Hands-on experience with Terraform and observability stacks
• Proven experience implementing SLOs, SLIs, and error budgets
• Experience in on-call production environments
• Demonstrated leadership during high-severity incidents

Responsibilities

• Own reliability outcomes across services using SLOs, SLIs, and error budgets
• Improve availability, latency, and scalability across platforms
• Lead incident response and operational readiness
• Drive automation and platform maturity
• Establish clear reporting on reliability and incidents
• Define and govern SLOs, SLIs, and error budgets
• Act as incident commander for major incidents
• Lead on-call rotation for incident diagnosis
• Own end-to-end incident lifecycle
• Define and evolve observability strategy
• Lead automation of operational processes
• Own capacity planning for high-concurrency events
• Prioritise the SRE backlog
• Embed SRE practices across engineering teams
• Mentor engineers on reliability engineering

Skills

Relocation