Developed and deployed a monitoring system using Prometheus and Grafana for monitoring internal (service) infrastructure.Updated the Terraform codebase from version 0.11 to version 1.Reduced the build time of the company's main project from 40 to 5 minutes.ReducedAWS expenses for the staging environment by 60%.Reduced AWS expenses for the production environment by 20%.Implemented a system to track created resources in AWS, generating monthly reports on created and modified resources.Containerized internal company tools, eliminating the dependency on workstation configurations.Implemented a monitoring and notification system for instances reaching retirement in AWS working accounts.

Implementedseamless WiFi for a 1000 sq. m. office.Procuredequipment and organized the remote setup of offices from scratchfor 15 employees.Established(interviewed, filtered, hired), trained, and configured the operations of a 4-person IT department.Implemented an Infrastructure as Code (IaC) system for deploying Hyper-Vvirtual machines using Packer.Implemented GitLab + SSO + LFS + Git as Subversion + replicaton.ImplementedOPSI system for managing applications (rapid deployment of pre-configured applications) and automatic installation of operating systems from scratch (quick deployment of office computers) on approximately 100 machines. Also conducted systematic automatic inventory of computers through this system, preserving the history and recording configuration differences over Git.