🖥️ Systems & Server Administration

• Windows Server (Installation, Configuration, Maintenance)
• Hyper-V Virtualization
• IIS Web Server Administration
• Server Patch Management & Hardening
• Production & Disaster Recovery (DR) Server Operations

🌐 Network & Firewall

• pfSense Firewall Administration
• NAT, VLANs, Routing & Gateway Failover
• Network Segmentation & Traffic Control
• On-Prem Production & DR Network Architecture
• Datacenter Coordination (Vitro Makati & Parañaque)

🔐 Security Operations

• Firewall Rule Review & Log Monitoring
• Network Vulnerability Assessment (Nmap, Nessus)
• Web Application VAPT (OWASP Top 10)
• Secure Remote Access (VPN, Tunnels)
• Incident Support & Risk Mitigation

📊 Monitoring & Reliability

• Infrastructure Monitoring (Netdata)