A. Responsibilities: 1. Infrastructure Deployment:- Deployed and maintained Kubernetes clusters using Kubespray from 7+ nodes (virtual servers). Installed and maintained Elastic Stack on Kubernetes, including Elasticsearch and Kibana combined with Filebeat and Logstash as a centralized solution to parse logs from 50+ virtual servers.- Deployed and maintained email systems using various platforms like cPanel, IceWarp, MDaemon, SmarterMail, Proxmox Mail Gateway, and Cluster SMTP with Postfix from 100+ virtual servers and containers.2. Automation and DevOps:- Utilized Jenkins and GitLab to establish and manage CI/CD pipelines to deploy Mail Transport Agent application.- Automated provisioning and configuration management with Ansible. Created 50+ custom Ansible Roles and playbooks for software installs and application deployments.- Developed 50+ automated tools to support technical support when supporting end users.Monitoring and Analysis:- Deploy and managed monitored system performance with tools like Zabbix, Prometheus, Grafana from 100+ virtual servers.- Analyze logs from 50+ virtual servers to assess end-user needs and usage to provide timely optimization solutions.3. Collaboration and Optimization:- Collaborated with Dev team and UX/UI design team to align and optimize over 3 different Email products.- Trained technical support team on setup, troubleshooting and use of automation tools in supporting end users during the use of email application.Implemented effective disaster recovery strategies to ensure high availability for critical systems.B. Achievements:1. Skill Development:- Automation Expertise: Gained extensive experience and honed skills in system automation. Reduce system configuration time for multiple servers.- Microservices Mastery: Acquired hands-on experience operating microservices with Docker Swarm and successfully transitioned to K8S infrastructure.

A. Responsibilities:- Training and Development: Scheduled and conducted training sessions to enhance staff skills and knowledge.- Customer Relations: Served as the management board's representative for customer communications and actively participated in resolving customer complaints.- Process Improvement: Spearheaded process optimization initiatives within the Technical Support Department.B. Achievements:- Team Leadership: Developed the ability to work effectively in groups and manage teams of up to 10 members.- Process Implementation: Gained experience in implementing technical processes and procedures.

A. Responsibilities:- Customer Support Coordination: Collaborated with the claims support team and call center to address daily issues related to email, hosting, cloud servers, CDN, and Cloudflare.- System Monitoring: Deployed and managed monitoring systems using Zabbix, Nagios, Check MK, or similar tools from 10+ physical servers and 20+ virtual servers.Email System Operations: Deployed and maintained email systems such as cPanel, Kerio, SpamExpert, and Zimbra from 20+ virtual servers.- Hosting System Operations: Operated hosting systems using cPanel, Plesk, Direct Admin, or other control panels from 10+ physical servers.B. Achievements:- Multi-Tasking Expertise: Gained experience in managing and resolving issues across various services, including shared hosting, email, and VPS.

A. Responsibilities:- Technical Support: Provided daily support for email, hosting, cloud servers, and related services.24/7 System Monitoring: Ensured continuous system monitoring and oversight.High Availability Deployment: Implemented high availability systems using HAProxy, Keepalived, Apache, Nginx, or other relevant tools.- Technical Skill Development: Learned and developed proficiency in system monitoring tools such as Zabbix, Nagios, and Check MK.- Network and System Protocol Understanding: Acquired knowledge of fundamental network and system protocols, including ARP, TCP/UDP, VRRP, FTP, and HTTP.B. Achievements:- Shared Hosting and Email-Relay Expertise: Gained experience and successfully completed tasks related to shared hosting (Wordpress, cPanel, Directadmin) and email-relay, incorporating security measures like anti-spam and anti-virus.

A. Responsibilities:- Technical Support: Provided daily support for email, hosting, cloud servers, and related services.Hosting Management Tool Implementation: Researched and deployed hosting management tools such as cPanel, Plesk, and VestaCP.- Technical Knowledge Acquisition: Gained in-depth knowledge of hosting, email, domains, cloud servers, CDN, and Cloudflare.B. Achievements:- Technical Expertise: Developed a strong understanding of domains, hosting, and email, enhancing technical proficiency.