- Provisioned and Maintained Kubernetes Clusters: Managed the setup and ongoing maintenance of Kubernetes clusters in the AWS cloud environment, ensuring they were highly available and reliable for running applications.- CI/CD Pipeline Implementation with Jenkins: Designed and implemented Continuous Integration and Continuous Deployment (CI/CD) pipelines using Jenkins, automating the build, test, and deployment processes for applications running on Kubernetes.- Monitoring with Prometheus and Grafana: Configured Prometheus and Grafana to monitor the performance of Kubernetes clusters, providing insights into resource utilization, performance metrics, and health checks. Additionally, set up the EFK stack (Elasticsearch, Fluentd, Kibana) to monitor application logs and gain visibility into application behaviour.- Huawei CBS Configuration and Troubleshooting: Configured prepaid and postpaid products in the Huawei CBS (Charging and Billing System) for Celcom. Demonstrated proficiency in troubleshooting CBS-related issues and carrying out Proof of Concept (POC) activities to validate solutions.- CBS Database Sync Project: Played a key role in a project aimed at synchronizing databases between production and testing environments in the Huawei CBS. Ensured database consistency and operational efficiency, contributing to the smooth functioning of the system.