- Designing, implementing, and maintaining CI/CD pipelines (Jenkins, GitLab CI) that accelerate and stabilize releases. - Git management: branching strategies, code reviews, and conflict resolution. - Automating infrastructure provisioning and deployments with Ansible and Terraform. - Monitoring and alerting with Zabbix, Prometheus, and Grafana for timely incident detection and remediation. - Optimizing and maintaining Kubernetes clusters: container, resource, and scaling management. - Working with Docker: image build, optimization, and configuration. - Conducting regular monitoring of the software product’s health and performance. - Monitoring and troubleshooting the performance, availability, and overall health of the IT infrastructure.

- Server administration on OS Linux - Zabbix monitoring system administration - Creating and setting-up notification of Zabbix monitoring system with telegram bot - Grafana administration, integration with Zabbix and visualization data from monitoring system to graphics - Configuring triggers, granting access for users and connecting network nodes to Zabbix monitoring system

- Server administration on OS Linux - Zabbix monitoring system administration - Creating and setting-up notification of Zabbix monitoring system with telegram bot - Grafana administration, integration with Zabbix and visualization data from monitoring system to graphics - Configuring triggers, granting access for users and connecting network nodes to Zabbix monitoring system

- Server administration on OS Linux - Updating and Upgrading OS of server. - Backup data from server. - Administrator of Zabbix system monitoring.

- Monitoring the correct operation of telecommunication systems. - Setup and installation of equipment for users. - Carrying out preventive maintenance of telecommunications and communications. - Introduction of accounting indicators and operating modes of equipment, technical documentation. - Ensuring reliable and uninterrupted operation and maintenance of all voice and data telecommunication systems.

- End-user second line support for 4000 machines; - Software issues resolving; - Desktop and Laptop troubleshooting; - Adjustment of a computer network; - Software deployment automation; - Company’s executives’ support; - .NET programming, VB scripting; - Cisco (Tandberg) Video Conferencing; - SCCM reporting; - DataBase management; - Printing devices configuration and support.

- Server administration on Linux and the RHEL\CentOS, Ubuntu. Windows Server 2012, Windows Server 2016. - Creation of scripts for system monitoring. - Manage employee access at the network level, as well as access to the server directory. - Updating and Upgrading the OS of server. - Backup data from server.

- Identifying and solving network problems. - Configuration routing. - Installation\Dismantling of RRL. - Base station setup. - Remote configuration of switches.