Core Technical Expertise: Advanced Networking (Design, WAN/LAN/VLAN/VPN), Firewalls (Cisco, Palo Alto, Fortinet), Server Management (Windows/Linux), Virtualization (VMware/Hyper-V), Access Points (Cisco, Ubiquiti, Aruba), Database Management (SQL Server, MySQL, Oracle), High Availability/Uptime strategies. 3. Data Center & IT Infrastructure Management: Oversee daily data center operations (hardware, networking, storage) and overall IT infrastructure (network, servers, storage).