Senior Site Reliability Engineer

In this hands-on leadership role, you will shape and scale a modern AWS-based platform, driving reliability, automation, and best practices. You will collaborate with cross-functional teams to improve performance and resilience while mentoring engineers and growing the SRE function. Your work will focus on building scalable infrastructure with CDK, advancing CI/CD, and strengthening observability. This is a growth-heavy team environment offering a strong technical direction and impact on the cloud platform.

• remote UK
• sponsorship available in some circumstances
• competitive salary 65,000 - 75,000
• opportunity to influence technical direction
• hands-on leadership role

• Design, build and maintain scalable AWS infrastructure using AWS CDK
• Drive improvements across platform reliability, automation and infrastructure as code
• Lead the implementation of CI/CD best practices to improve software delivery
• Enhance monitoring, observability and incident management across cloud environments
• Collaborate with engineering teams to improve performance, resilience and operational efficiency
• Mentor and coach engineers, promoting SRE and DevOps best practices
• Contribute to technical direction, architecture discussions and continuous improvement initiatives

• Proven experience in a Senior Site Reliability Engineer, Platform Engineer or DevOps Engineer position
• Strong commercial AWS experience
• AWS CDK experience is essential
• Strong programming experience in TypeScript or Python
• Experience building and maintaining CI/CD pipelines
• Knowledge of containerisation technologies such as Kubernetes, Amazon EKS or ECS
• Experience with monitoring and observability tooling such as Grafana, Prometheus, OpenSearch or similar
• Strong understanding of cloud security, resilience and infrastructure automation
• Previous experience mentoring engineers or providing technical leadership

• mentoring
• collaboration
• leadership
• AWS
• AWS CDK
• TypeScript