A Network Administrator is an IT professional responsible for installing, configuring, maintaining, and troubleshooting an organization’s computer networks.

Typical responsibilities include:

• Managing LANs, WANs, Wi- Fi networks, and VPNs

• Configuring routers, switches, firewalls, and network devices

• Monitoring network performance and availability

• Implementing security policies and access controls

• Troubleshooting connectivity and network issues

• Managing IP addressing, DNS, DHCP, and network services

• Performing backups, updates, and disaster recovery planning

• Documenting network configurations and changes

Common Skills

• TCP/IP networking

• Routing and switching

• Network security

• Firewall administration

• Windows Server and Linux administration

• Network monitoring tools

• Cloud networking

Popular Certifications

• Cisco CCNA

• Cisco CCNP

• CompTIA Network+

• CompTIA Security+

• Microsoft networking certifications

Career Path

Help Desk → Network Technician → Network Administrator → Network Engineer → Senior Network Architect/Manager

If you’re asking because you’re a Network Administrator, I can also help with troubleshooting, network design, Cisco configuration, firewall rules, VLANs, routing, switching, DNS, DHCP, VPNs, or certification preparation.

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