Senior Site Reliability Engineer Start: ASAP Duration: 6-12 months Location: hybrid, London (Tuesdays, Thursdays WFH) Pay: negotiable, inside IR35 We're looking for an experienced DevOps Engineer to join our team on a contract basis, with a focus on AWS infrastructure, observability tooling, and CI/CD automation. This is a hands-on role supporting high-availability systems, rapid deployments, and production incident response. Key Responsibilities - Manage and monitor AWS infrastructure for performance and security - Respond to production incidents, perform root cause analysis, and implement fixes - Maintain observability tools (Prometheus, Grafana, Splunk) and write PromQL queries - Improve and operate CI/CD pipelines using GitHub Actions and Kubernetes - Automate infrastructure tasks with Python, Bash, Go or SQL - Work with Git-based workflows for infrastructure as code - Troubleshoot Kubernetes workloads and containerised services - Participate in an on-call rotation to ensure system reliability Your Profile Essential: - Solid hands-on AWS experience in a DevOps setting - Background in incident, change, and problem management - Strong with Prometheus, Grafana, Splunk, and PromQL - Proficient in scripting (Python, Go, Bash, SQL) - Skilled in GitHub, CI/CD, and Kubernetes operations Desirable: - Experience with Terraform or CloudFormation - Advanced log analysis with Splunk - Strong problem-solving and analytical thinking ADZN1_UKTJ