Senior Site Reliability Engineer (SRE) at Experian

We are looking for a Site Reliability Engineer (SRE) to improve the reliability, and performance of business-critical systems. You will focus on AWS cloud infrastructure, DevOps tooling, and core SRE practices within a distributed, production environment. Reporting to our Lead, you will work with development, platform, and operations teams to ensure systems are stable, scalable, well-monitored and meet defined reliability targets. Main Responsibilities Reliability and Operations: • Support high availability, scalability and performance of production systems • Work with defined SLIs, SLOs and SLAs, ensuring services meet agreed reliability targets • Identify and reduce operational toil through automation and process improvement • Contribute to the design and implementation of fault-tolerant and resilient systems • Participate in resilience and failure testing activities to validate system behaviour under fault conditions and improve recoveryAWS & Cloud Operations: • Manage and operate systems hosted on AWS (EC2, EKS/ECS, RDS, S3, Lambda, CloudWatch, IAM, and VPC) • Support cloud deployments and infrastructure changes following best practices • Help with backup, disaster recovery and resiliency planningDevOps & Automation: • Work with CI/CD pipelines and DevOps practices to ensure reliable and repeatable deployments, including build, test and release automation processes • Use Infrastructure as Code tools such as Terraform or CloudFormation to manage and provision infrastructure • Develop automation using scripting languages (Python, Bash or similar) to reduce operational toil and improve efficiencyIncident Management: • Participate in production incident response, troubleshooting, and service restoration • Perform root cause analysis (RCA) and contribute to post-incident reviews • Help implement preventive actions to avoid incident recurrenceObservability: • Configure and maintain monitoring, logging, and alerting using tools like CloudWatch, Prometheus, Grafana, Splunk, or Dynatrace • Develop dashboards to track system and platform health and reliability metrics across the user journey • Improve alert quality to reduce noise and improve response timesCollaboration: • Work with application and engineering teams to embed reliability into system design • Collaborate within a globally distributed team, using clear handovers to ensure continuity • Share knowledge and contribute to team-wide best practices • Communicate with all kinds of stakeholders, influencing decisions through reliability-focused insights