Network Administration
Managing and maintaining network infrastructure
Network Administration involves the configuration, management, and maintenance of computer networks to ensure reliable, secure, and efficient communication.
Core Responsibilities
- Network Design - Planning and implementing network architecture
- Configuration - Setting up routers, switches, and firewalls
- Monitoring - Tracking network performance and availability
- Troubleshooting - Diagnosing and resolving connectivity issues
- Documentation - Maintaining network diagrams and configurations
Key Technologies
- Routing protocols (BGP, OSPF, EIGRP)
- Switching (VLANs, STP, port security)
- Wireless networking (802.11, WPA3)
- VPN technologies
- Software-defined networking (SDN)
Security Integration
- Network access control (NAC)
- Network segmentation
- Intrusion detection/prevention
- Traffic analysis and monitoring
- Secure network design principles
Certifications
- Cisco CCNA/CCNP
- CompTIA Network+
- Juniper JNCIA/JNCIS
