Linux: RedHat/CentOS/Rocky/Ubuntu, Nginx, Keycloak, Asterisk, Redis, MySQL, MongoDB, PostgreSQL, RabbitMQ, Kafka, Gravitee
Microsoft: AD, Exchange, S4B, MSSQL, IIS, TS/RDG, HyperV CSV/SSD, VDI
IaC: Ansible, Terraform (Terragrunt), Helm, PowerShell, Python, Bash
Containers Orchestration: Kubernetes, Deckhouse, OKD4, Rancher, Docker (Swarm), Podman
CI/CD: Azure DevOps, GitLab, Jenkins
Monitoring/Logging: Zabbix, ELK/EFK, Graylog2, Prometheus, Grafana
Cloud: M365/Hybrid, Azure, Yandex.Cloud