First Kish Payment Company with the brand name "Jiring" is the first and most reliable provider of banking and mobile payment services in Iran and also the main arm of Iran Mobile Communications Company (IR MCI) in the payment industry. A set of services such as financial and banking (transferring money from one account with a bank card to another account), operation (buying various charging and internet packages for SIM cards) and automobile (paying car tolls), paying bills, etc.• Implementing and maintenance of CI/CD pipelines using Gitlab.• Running and maintenance of java applications as microservices on docker swarm.• Installing K8S with kubeadm and setup new cluster to deploy applications.• Installing and maintaining keycloak access management cluster on docker.• Deploying and configuring Prometheus and Grafana on kubernetes, also monitoring and visualizing exposed metrics and data from applications.• Using Jira and Confluence for task planning and project documentation to effectively track changes and share knowledge.• Collaborating with the development team to deploy, maintain, and troubleshoot the required DevOps tools in the stack to enhance product performance.

Avihang is a company with the first ranking in informatics industry of Iran that expands the software infrastructure in large national projects such as development and deployment of electronic prescription of Iran health insurance organization, Electronic promissory note of the Iran ministry of economy, Iran ministry of welfare livelihood support plan registration system, etc.• Maintenanced of virtualization infrastructure on the VMware vSphere by +180 VMs.• Installed docker and used docker swarm to deploy applications• Contributed to wrote the parts of the CI/CD pipeline using Jenkins with team members to complete the automation.• Installed and maintained logging and monitoring subsystems using ELK Stack, Grafana, Prometheus, Alertmanager, PRTG, and message queues such as Apache Kafka.• Installed, configured and maintained Grandstream VoIP gateway and IP Phones in network.• Cooperated and interacted with the development team to launched the required DevOps tools in order to increased the efficiency of the product as much as possible.