Management of multiple large-scale Kubernetes clusters using Terragrunt, GitLab CI/CD, Helm templating with 10+ custom charts, and ArgoCD, integrated with monitoring systems such as Grafana, Prometheus, and Alertmanager.
Operation of 50+ Ansible-managed servers, including in-depth development of a secure pipeline for automated maintenance updates on WireGuard-connected hosts, with a strong focus on strict access policies and secure networking.
Oversight and development of an automated server update and maintenance system featuring custom aptly-based repository mirrors, an API gateway for scheduling host update maintenance slots, dashboards for host package lists and update overviews, and a lightweight Go-based client for automated and mTLS-secured maintenance checks.