Windows Server Administration
Linux System Administration
Active Directory / Group Policy
Microsoft 365 / Exchange
Network Configuration (LAN/WAN/VPN)
Virtualization (VMware / Hyper-V)
Cloud Administration (Azure)
ITIL 4 Service Management
IT Security & Data Protection (GDPR)
Backup & Recovery
Monitoring & Troubleshooting
Scripting (PowerShell / Bash)
Python
Java
JavaScript / TypeScript
REST APIs
Git / GitHub
CI/CD
Docker
MySQL
MongoDB
WordPress
Photoshop
Lightroom
Illustrator