Sithum Jayarathna Email & Phone Number

Australia

- Maintained secure, ISO 27001-certified, consistent infrastructure using guardrails and drift detection.Implemented dynamic agent deployment for build pipelines with Ansible, reducing parallel build times by 30%.- Ensured multiple daily production deployments without system downtime, increasing deployment frequency by 50%.- Led cross-functional teams in agile projects, improving team productivity and project delivery times.- Executed disaster recovery plans and led system… Show more - Maintained secure, ISO 27001-certified, consistent infrastructure using guardrails and drift detection.Implemented dynamic agent deployment for build pipelines with Ansible, reducing parallel build times by 30%.- Ensured multiple daily production deployments without system downtime, increasing deployment frequency by 50%.- Led cross-functional teams in agile projects, improving team productivity and project delivery times.- Executed disaster recovery plans and led system migrations to immutable infrastructure using Terraform, minimizing downtime and ensuring seamless transitions.- Built comprehensive monitoring systems using Prometheus and Grafana, improving observability and reducing incident response times by 40%.- Hardening the security of the cloud and on-premise infrastructure. Show less

- Enhanced the reliability of the critical payroll batch process, achieving 100% error-free performance.- Developed scripts and tools for CI/CD pipelines, reducing deployment errors by 25% and accelerating release cycles.- Applied Chaos Engineering principles to improve system resilience and operational efficiency.- Implemented auto-scaling solutions, achieving a 20% cost reduction while maintaining high availability and security.- Utilized GitOps and advanced scripting to… Show more - Enhanced the reliability of the critical payroll batch process, achieving 100% error-free performance.- Developed scripts and tools for CI/CD pipelines, reducing deployment errors by 25% and accelerating release cycles.- Applied Chaos Engineering principles to improve system resilience and operational efficiency.- Implemented auto-scaling solutions, achieving a 20% cost reduction while maintaining high availability and security.- Utilized GitOps and advanced scripting to streamline workflows and improve operational efficiency.- Migrated on-premise Hyper-V and ESXi virtualized applications to EKS and AKS clusters. Show less

- Optimized database sessions with Redis cache integration, improving session reliability by 35%.- Migrated applications to support traceability by accurate correlation, reducing troubleshooting time by 50%.- Collaborated with technical leads to design and implement a containerized application framework for the organization.- Developed UI test automation tools, reducing runtime errors and increasing functional test coverage by 60%. - Deployed serverless functions with… Show more - Optimized database sessions with Redis cache integration, improving session reliability by 35%.- Migrated applications to support traceability by accurate correlation, reducing troubleshooting time by 50%.- Collaborated with technical leads to design and implement a containerized application framework for the organization.- Developed UI test automation tools, reducing runtime errors and increasing functional test coverage by 60%. - Deployed serverless functions with CloudFormation for automated alerting, reducing manual intervention. Show less

Bachelor Of Science (Bsc), Computer Science

Artificial Intelligence Software Architecture

Advanced Computer Networks