Hello! π I am a System Administrator and Infrastructure Engineer focused on building, securing, and automating corporate IT environments. My primary goal is to ensure that business infrastructure operates reliably, predictably, and securely. I specialize in deploying independent on-premise solutions that help companies retain full control over their sensitive data and optimize IT operational costs. Ready for complex technical challenges, auditing current IT infrastructure, and remote collaboration.
Skills
- π₯ Operating Systems: Linux (Ubuntu, Debian, Rocky Linux), Windows Server
- βοΈ Virtualization: Proxmox VE, VMware, Hyper-V
- π³ Containerization and orchestration: Docker (multi-stage builds), containerd, Kubernetes, Calico (CNI), Helm
- π CI/CD and GitOps: GitHub Actions, Argo CD, Kustomize, GitOps
- π Networking: VLAN segmentation, Aruba HPE, Zyxel, VPN (OpenVPN/IPsec), pfSense, firewalld, UFW
- π‘ Information Security: DLP systems, CrowdSec, Fail2ban, Enterprise Endpoint Security (Kaspersky, Symantec), Trivy (SCA/IaC/images), GitHub CodeQL (SAST), Kubernetes Pod Security (securityContext, RBAC)
- π Infrastructure: Active Directory, DNS, DHCP, GPO, WSUS, RADIUS, PKI, NFS, FTP
- πΈ Web Servers & Databases: Nginx, Apache (LAMP / LEMP stacks), PostgreSQL, MySQL, MS SQL Server
- π’ Corporate Services (On-Premise): Nextcloud, Mailcow, Mattermost
- π Monitoring: Zabbix, Grafana, Prometheus
- βοΈ Automation & Version Control: Bash, PowerShell, Ansible, Git, GitHub
- πΎ Backup & High Availability: HA Clusters, Acronis, Veeam, Proxmox Backup Server, Custom scripting
Certificates
- Akamai Network Engineering β Akamai Technical Academy / Coursera, 2024
- IBM DevOps and Software Engineering β IBM / Coursera, 2024
- Fundamentals of Red Hat Enterprise Linux β Red Hat / Coursera, 2024