Mehdi Abdollahei Email & Phone Number

Coached comprehensive Linux Essentials, Linux LPIC-1and LPIC-2 at Anisa Institute, to more than 500 IT engineers- Led comprehensive Linux training programs for more than 500 engineers, incorporating practical scenarios and hands-on exercises; ensured a seamless transition to real-world tasks; and boosted operational efficiency by 30% in under 3 months

I collaborate on numerous projects, working closely with over 200 engineers across various teams as a DevOps engineer.- Managed multi-cluster Kubernetes to break up the monolithic app into more than 4000 microservices- Developed automated CI/CD pipelines for code deployment using Git and Jenkins, resulting in a 99% decrease in manual errors- Organized microservice log management by implementing the ELK Stack optimized logging system, resulting in a 40% improvement in log analysis- Reduced resource consumption by 50% with setting up Kafka cluster between Logstash server and Elasticsearch cluster- Developed Ansible's playbook and bash script to manage more than 200 Linux servers.- Facilitated troubleshooting with Implemented the Graylog server to collect more than 4000 microservice logs from Logviwer Server with efficient filters- Reviewed application performance using Grafana and Prometheus for collecting and monitoring metrics from more than 4000 various microservices

Served for implementing and handling a large-scale network in a big Internet service provider with more than1000 telecommunication centers across the country in the NOC team- Administered and maintained more than 5000 Cisco and MikroTik network devices in the telecommunications centers of the cities, ensuring 99.9% uptime - Identified and resolved network issues with the help of PRTG, SolarWinds, and Cacti to provide the best internet service to people- Provided 24/7 on-call support for critical system issues

Set-up and enhance more than 10 Linux services, such as DNS, HAProxy, reverse proxy, popular web servers (NGINX, Apache, Apache Tomcat), etc., within the infrastructure team- Installed, modified, updated, and upgraded used Linux services on a lot of Linux servers in the LAN network.- Fixed Linux service issues to improve the performance of the services- Managed the server's configuration using bash script, reducing setup time by 40%- Reviewed system performance and troubleshooted network issues, improving response times by -- Monitored more than 20 branches across the country and helped other branches' IT engineers fix the problems in the services.- Supported 24/7 monitoring team for solving critical issues