Managed Jira and Confluence platforms, specializing in dashboard customization, workflow design, project setup, and user access management.Administered and maintained a Windows-based network of servers and workstations, including Active Directory and Exchange ServerConducted regular security audits and implemented security measures to protect the network from cyber threatsProvided technical support to end-users and resolved hardware and software issuesAssisted in the migration of on-premises servers to cloud-based infrastructure using Selectel cloudDeveloped and maintained scripts in Bash, Python, and Go to enhance system automation.

Administered diverse server environments including CentOS, Ubuntu, Virtuozzo, Docker, and Kubernetes.Automated server configuration and deployment using Ansible and Terraform, ensuring consistent and reliable setups.Provided vigilant application support, promptly addressing issues to maintain optimal performance.seamless collaboration between development, monitoring, and technical support Proficiently managed databases (MySQL, PostgreSQL) and employed Ansible and Terraform for infrastructure orchestration.Employed monitoring tools such as Zabbix, Grafana, Telegraf, and ELK to ensure system health and performance.Utilized Git for efficient version control and collaborative development.

- Maintained a large-scale Linux server environment, including installation, configuration, and maintenance of systems.- Developed Bash scripts for automating routine tasks such as backups and system updates.- Monitored system performance using Nagios and Icinga to detect and resolve issues.- Led incident response efforts, swiftly resolving issues to minimize downtime and disruptions.- Provided technical support to users and resolved system-related issues. Web Servers: Apache, Nginx Databases: MySQL, PostgreSQL DNS Management: Bind Configuration Management: Puppet, Cobbler Mail Services: Exim, Dovecot Monitoring Tools: Nagios, Grafana, Observium Version Control: SVN