Site Reliability Engineer - AWS

Salary: £60,000 - 70,000 per year Requirements: • Practical experience managing large-scale Kubernetes clusters; Kubernetes certifications are a bonus • Familiarity with the Grafana Observability Suite, including Loki, Mimir, and Tempo • Experience administering or developing with monitoring and automation tools such as Splunk, Datadog, PagerDuty, or Rundeck • Experience with configuration management platforms such as Ansible, Puppet, or Chef • Cloud DevOps certifications, such as AWS Certified DevOps Engineer or Google Cloud Professional DevOps Engineer, or similar credentials • Proficiency in at least one programming language, such as Python, Go, Java, or C#, and scripting skills in Bash or PowerShell • Knowledge of cloud platforms such as AWS, including core services like EC2, ECS, Lambda, and DynamoDB and their reliability constraints • Practical experience with infrastructure-as-code tools such as CloudFormation or Terraform • In-depth knowledge of CI/CD principles and hands-on experience with tools such as Jenkins, GitLab CI/CD, or CircleCI • Strong understanding of containerization, including Docker and Kubernetes, and microservices architecture • Skill with observability and monitoring tools such as Prometheus, Grafana, the ELK stack, or AWS CloudWatch • Excellent analytical and troubleshooting abilities, particularly with complex distributed systems • Proven experience handling incident management and conducting blameless postmortems, including leading cross-functional teams through resolution and communication during critical outages Responsibilities: • Oversee the production environment, ensuring system availability and maintaining a comprehensive view of overall health • Develop tools and software to support and streamline management of platform infrastructure and key applications • Improve the dependability, performance, and delivery speed of our software products • Analyse and fine-tune system performance to anticipate user demands and drive innovation • Provide operational support and technical oversight for large-scale distributed applications • Monitor and interpret system and application metrics to fine-tune performance and troubleshoot issues • Collaborate with developers to improve service quality through thorough testing and structured release practices • Participate in architectural discussions, manage platform operations, and contribute to capacity forecasting • Design and implement automated solutions to build resilient, scalable systems • Deliver new features while maintaining stability and meeting service-level goals Technologies: • AWS • Lambda • Ansible • Bash • C# • CI/CD • Cloud • CloudWatch • Datadog • DevOps • Docker • EC2 • ELK • GitLab • Grafana • Incident Management • Support • Java • Jenkins • Kubernetes • PagerDuty • PowerShell • Prometheus • Puppet • Python • Splunk • Terraform • microservices • Fine-tuning More: We deliver enterprise software solutions across cloud and on-premises environments, helping organisations enhance customer experiences, maintain regulatory compliance, and fight fraud. Businesses worldwide trust us to support seamless, intelligent customer interactions. This role focuses on production operations and the reliability of large-scale distributed applications. Our benefits include life insurance at four times annual salary, private medical insurance, a bonus scheme, an employee assistance programme, an online GP assistance portal, and hybrid working with three days per week from home. last updated 42 week of 2026