Senior Site Reliability Engineer: Lead Resilience & Incidents

Allwyn UK; Watford; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Company Bonus Scheme

Matched pension contributions up to 8

26 days annual leave + 2 Life Days

Private health cover

Wellness allowance £500

Employee assistance programme

Job summary

Allwyn UK in Watford seeks a Senior/Lead Site Reliability Engineer to drive reliability across the digital estate, ensuring high availability and performance of customer-facing systems during normal operation and peak lottery events.

You will own SLOs/SLIs, push automation with Terraform, mentor engineers, and coordinate incident response with a focus on observability using Splunk, CloudWatch, Grafana and Quantum Metric.

Qualifications

• Strong experience in cloud environments, ideally AWS (ECS, with exposure to EKS/Kubernetes).
• Hands-on with Terraform, observability stacks, and scripting.
• Proven track record in reliability engineering and incident leadership.

Responsibilities

• Define and govern SLOs/SLIs/error budgets across services.
• Lead incident response and on-call rotation during high-severity events.
• Develop observability strategy using Splunk, CloudWatch, Grafana and Quantum Metric.
• Drive automation and platform maturity with Terraform and scripting.
• Own backlog and reporting on reliability, MTTR and platform health.

Skills

Cloud leadership

Incident management

On-call leadership

SRE practices

Mentoring & coaching

Education

Bachelor's degree in CS or related field

Tools

Terraform

Splunk

CloudWatch

Grafana

Kubernetes (EKS)

Python/Go

Job description

Allwyn UK in Watford seeks a Senior/Lead Site Reliability Engineer to drive reliability across the digital estate, ensuring high availability and performance of customer-facing systems during normal operation and peak lottery events.

You will own SLOs/SLIs, push automation with Terraform, mentor engineers, and coordinate incident response with a focus on observability using Splunk, CloudWatch, Grafana and Quantum Metric.