With more than 10 years of experience in system engineering, I have focused on DevOps, Linux, and related fields, including automation, scripting, and software development, over the last five years.

- Kubernetes: Creating and maintaining a cluster based on K3s.
- Helm: Developing and implementing charts for deployment across various environments.
- Git: Working with repositories.
- GitLab CI: Setting up continuous integration processes, and developing and implementing pipelines for different tasks.
- Docker: Building and utilizing images for specific tasks.
- Linux: Configuring and supporting the OS for various tasks (e.g., NFS, httpd, Squid, Ansible).
- PostgreSQL: Utilizing databases for project needs.
- Grafana + Prometheus + Loki: Implementing a stack for monitoring and log collection.
- Terraform: Centralized infrastructure deployment.
- Azure: Deploying environments in a cloud provider.
- Docker Registry: Setting up local registries for project needs

- OS: CentOS, Ubuntu Server, Windows Server 2008R2, Server 2012R2, 2016.
- Linux: Apache, Squid, DHCP, iptables, VPN (L2TP, PPTP, OpenVPN), Ansible, Postfix.
- Microsoft: ADFS, DNS, WSUS, WDS, Network Access Protection, Remote Desktop Services, experience in Active Directory, Group policies and Windows user management.
- Virtualization: VMware vSphere Installation/configuration/support of ESX Servers, vSphere Client and vCenter Server, VMware Horizon, datastore creation, VMs and data storing and migration, deployment of Virtual Machines, clones, snapshots.
- Backup: Veeam Backup and Replication, backup issue resolution.
- Cloud: cloud infrastructure based on Profitbricks.com (API, Web), Office 365, Exchange, SharePoint.
- Automation tools: Jenkins, Ansible, Git, scripts (bash, BAT, VBS, PowerShell).
- Monitoring: InfluxDB+Grafana+Telegraf, Zabbix.
- Network: Mikrotik, Ubiquiti, D-Link, HP.
- VoIP: 3CX Phone System.
- DB: MySQL, MSSQL.