● Service Deployment: Responsible for deploying new microservices and ensuring their readiness for production. ● CI/CD Configuration: Designed and maintained CI/CD pipelines to streamline the deployment process for new services. ● Monitoring and Alerting: Configured monitoring tools and alerting systems to ensure optimal application performance and proactive issue detection. ● Support and Troubleshooting: Provided daily support to troubleshoot service issues and maintain smooth operations across all applications. ● OpenShift Environment: Worked extensively with applications running in OpenShift environments managed by another department, ensuring seamless integration and functionality of services.

● Infrastructure Setup and App Migration: - Built infrastructure from scratch for application deployment, including installing and configuring Kubernetes clusters, high-availability databases (PostgreSQL with Patroni), and monitoring and logging systems. - Developed CI/CD pipelines for automated application deployment, significantly improving app stability and performance. ● Message Queues and Caching Systems: Installed and configured RabbitMQ and Redis in cluster mode across multiple projects to ensure high availability and fault tolerance. ● ELMA365 Deployment: Learned and deployed the ELMA365 system in high-availability mode within Kubernetes clusters, ensuring seamless operation and optimal performance. ● Containerization: Managed Docker workflows, including building and pushing images to container registries. ● Version Control: Installed and administered a local GitLab instance for all project source codes, ensuring secure and efficient code management. ● CI/CD Pipelines: Designed and implemented pipelines to automate image builds, container pushes, and deployments to Kubernetes and Docker environments. ● Kubernetes Management: Installed, configured, and currently maintaining Kubernetes clusters to support scalable and resilient applications. ● Monitoring and Alerting: - Deployed and configured monitoring tools like Prometheus, Grafana, and Zabbix to monitor Kubernetes clusters, host states, and service metrics. - Set up alerting systems in Grafana and Zabbix to notify teams when metrics exceed thresholds. ● Observability: Established and maintained an observability stack using Elasticsearch, Fluentd, Fluent Bit, and Kibana for centralized logging and analytics. ● Database Management: Installed and managed standalone PostgreSQL instances and high-availability clusters using Patroni. ● Troubleshooting: Performed daily troubleshooting tasks, resolving issues across infrastructure, services, and deployments to ensure smooth operations.