Monitoring of server infrastructure (CloudWatch), handling team tickets with established SLAs (Service-now ticket system), processing requests in Slack channels, writing documentation for escalating work requests (Confluence).

Debugging issues with mobile application and internal system (backoffice), utilizing tools such as Kibana / Datadog.

Also explored new services and their capabilities: Gitlab - CI/CD setup.

Keycloak - deploying the service on a server (Ubuntu).

Configuration and setup of mobile app login. Codemagic - Learned and configured for testing.

After merging the working branch in Gitlab, the service automatically builds the mobile app version, runs automated tests, and publishes the app on the Play Store.

Jenkins - Installation on a server (Ubuntu), setup for testing.

Deploying servers (Ubuntu) on DigitalOcean. Configuration and maintenance.

Cloudflare - Configuration for websites.

Installation of Elasticsearch, Logstash, and Kibana (Elastic Stack) on Ubuntu.

Hetzner hosting (installation and maintenance of Tomcat web server).

AWS services (Setting up EC2 instances, configuring backups, load balancing.) Configuring server load monitoring (CloudWatch).

Installaon and configuraon: Windows Server 2012 R2, AD, DNS.

CentOS web servers.Seng up local workstaons (Windows 10, MacOS). Network infrastructure setup, VPN tunnels (L2TP/IPsec).

Working with hosng providers, maintaining WP site structures.

Deployment of web servers on CentOS (Configuraon of SSH, SFTP, FTP, Supervisor, MySQL).

Installaon and configuraon of monitoring systems: Zabbix, Grafana. Working with MySQL databases. SSL cerficate setup.

Working with AWS, seng up a virtual web server on CentOS.

Installation and maintenance of the boxed version of Bitrix24 corporate portal.

Working in Jira and Confluence. Documentaon management and cket handling.

Implementaon of IP telephony and virtual PBX (Zadarma, Binotel). Configuraon of hardware phones (Cisco) and sophones for employees. Working with the Slack messenger.

• Planning and deployment of a computer network for 50 workstations;
• Installation and configuration of a server based on Windows;
• Installation and maintenance of CRM system;
• Work with IP telephony;
• Configuration of Cisco and HP ProCurve routers and switches;
• Staff training (CRM) and technical support;
• Accounting, modernization, inventory, disposal, logging, and repair of computer equipment;
• Planning, accounting, and procurement of computer equipment.

• Assembly, setup, and repair of computer equipment.
• Installaon of soware, configuraon.
• Diagnosis of PC malfuncons and troubleshoong.
• Installation and configuration of surveillance cameras.
• Setup of equipment for banks.