$ whoami
alexshishin

devops / sre / infra · omsk · mts web services

$ experience --total
6 months

MTS Web Services April 2026 — present
// DevOps Engineer · MWS Chatbot · Omsk
  • Automated AI agent build and delivery via GitLab CI pipeline — deployment time reduced by 40%
  • Optimized AI agent Docker images with multi-stage builds: smaller image sizes and faster CI runs
  • Administered production Kubernetes cluster: worker management, resource allocation, rolling updates
  • Deployed a staging Kubernetes cluster for safe pre-production testing
  • Implemented GitOps with ArgoCD: declarative cluster state management, automatic Git synchronization
OmSU Project School January 2026 — March 2026 (3 months)
// DevOps Engineer · Omsk
  • Deployed infrastructure for the project-based learning intensive 'Into IT at OmSU'
  • Built a fully isolated infrastructure of 15 separate n8n instances on a single VPS using Docker + Docker Compose
  • Configured Nginx as a reverse proxy with auto-generated config (15 upstreams + 15 server blocks)
  • Automated Let's Encrypt SSL certificate issuance and renewal for 15 subdomains
  • Integrated Cloudflare DNS
  • Set up VPS monitoring stack (Prometheus + Grafana + Node Exporter)
  • Result: 15 fully functional n8n environments with HTTPS and ready-to-use telegram bot webhooks
  • Impact: reduced deployment time from several days to 30 minutes, ensured 100% isolation for non-technical users