Setup and managed CI/CD systems (GitLab, Jenkins), including designing and implementing custom CI/CD pipelines for various projects. Integrated pipelines with external systems, which reduced manual deployment time by 70% and improved overall deployment frequency.Developed Dockerfiles and docker-compose configurations for seamless project deployment. Integrated projects with GitLab container registry, resulting in faster and more efficient container management and deployment processes.Extensive experience working with cloud platforms: AWS (EC2, S3, RDS), Google Cloud, Hetzner, and DigitalOcean. Designed and deployed cloud infrastructure for scalable and highly available applications.Automated infrastructure provisioning using Ansible and Terraform, ensuring consistent and repeatable deployments. Wrote BASH scripts for automation of routine tasks, reducing system maintenance overhead by 30%.Developed and implemented flexible configuration of rules for the monitoring system using Sentry, Prometheus, Grafana, and Alertmanager with Blackbox. For services like: RabbitMQ, Php-fpm, MySQL, PostgreSQL, Nginx using different exporters or creating new one for own needs. Customized dashboards and alerting mechanisms to monitor key performance indicators (KPIs) and ensure rapid incident response, reducing downtime by 40%. Setup and configure services such as RabbitMQ, Redis, MongoDB, PostreSQL, MySQL.

Working with AWS (EC2, Route53..)Setup and configure ELKSetup monitoring system with grafana in docker (prometheus, alertmanager)working with Gitlab (setup, update and create new CI/CD).Working with virtualization systems (Proxmox, VMware, ESXi).Work with services: AD, TS, DNS, DHCP, IIS, Apache, Nginx, mysql.Networking (masquarding, routing, Vlans, VPN (l2tp/ipsec, openvpn), NAT, Firewall, IPTables), Working with L2/L3 network equipment (Mikrotik, TP-Link, Ubiquity). Tunneling. Working with high load server (Centos, Ubuntu, Debian).Setup and configuration of 1c serverWork with corporate CMS and landing sites. Tech support of ~160 company employees.Monitoring the health of servers and auxiliary equipment.Search and elimination of technical and non-technical problems arising from the company's employees in working with the services.Setup and configure Zendesk (support, chat, guide, work with multibrands).Business trips to EU countries for setting up network equipment at international exhibitions.Support company offices outside Ukraine.Working with data encryption software (bitlocker, truecrypt, veracrypt).Administration of mail servers (zimbra, iredmail, migration to office365).Administration Jira cloud, Jira server, Bitrix.Distribution and scheduling of tasks in the IT department.

Setting up diskless stations (ponix, thinstation) for working on terminal servers.Setting up computers (configuring and building)Setting up and maintaining office equipmentAdminister access system BigBrotherAdminister specific software: Rainbow+ and RotemOrganization server rooms.Working with suppliers, purchasing equipmentSetting up, flashing and restoring IP cameras and video recorders (dahua, hikvision) Backing up production PCs (МОВА, Pelbo)Bitrix CRM setupCreation of an internal corporate website (telephone directory, company structure)Setup of apache and nginx, mysql for sites.Working with nagios, zabbix.Users support.Administer of MDoffice software.Setting up information displays (creeping line)Working with VLAN, DHCP, OpenVPN, IP phones.Switch setupL2/L3 (HP, Cisco)Maintenance of a fleet of computers (> 300 units)