💼 Linux System Administrator
📍 Europe
⚙️ Infrastructure | Automation | Reliability | Security
Linux-focused System Administrator with hands-on experience building and maintaining home lab infrastructure.
Strong understanding of:
- Linux system internals
- Networking fundamentals
- Service configuration & troubleshooting
- Automation and scripting
Currently preparing for mid-level infrastructure roles and expanding into containerization, DevOps practices, and security.
- Debian / Ubuntu / Rocky Linux
- systemd management
- Users, groups & permissions
- Package management (APT / DNF)
- Filesystem structure & storage basics
- SSH configuration & hardening
- TCP/IP fundamentals
- DNS (A / AAAA / MX records)
- DHCP basics
- SSH tunneling
- Firewall configuration (iptables / ufw)
- Network troubleshooting
- KVM + virt-manager
- VirtualBox
- VM networking configuration
- Resource management
- journalctl
- Log rotation
- Process monitoring
- Cron job automation
- System diagnostics
- Bash scripting
- Backup automation (rsync)
- Log analysis scripts
- Scheduled maintenance tasks
- Git
- GitHub project structuring & documentation
- Multi-VM Linux infrastructure
- Dedicated backup server
- SSH key-based authentication
- Log rotation & monitoring setup
- Firewall rule configuration
- Service troubleshooting scenarios
- Automated backup solution
- System health checker
- Log filtering & reporting tool
- Cron-based maintenance automation
- Linux Fundamentals (CLI, filesystem, permissions, processes)
- Bash & Shell Environment customization
- Networking basics (TCP/IP, DNS, SSH)
- Virtualization (VirtualBox → KVM)
- Home Lab Infrastructure setup
- LPIC-1 Certified
- Advanced Networking & Troubleshooting
- Docker (containerized services)
- Infrastructure automation (Ansible)
- Python for system administration
- LPIC-2 (Advanced Linux Administration)
- Kubernetes fundamentals
- DevOps practices (CI/CD, Infrastructure as Code)
- Go (systems & networking tools)
- Cyber Security (Hardening, Monitoring, Blue Team)
- SIEM & centralized log analysis
- LPIC-3 (Mixed Environments, Security, High Avaliability and Storage Clusters)
- Production-grade Linux administration
- Infrastructure reliability & stability
- Secure configuration & system hardening
- Automation-first mindset
- Observability & incident diagnostics