Network administrator

A network administrator or netadmin is an individual or group of individuals responsible for maintaining and operating a network or server.

Network administrator responsibilities

A network administrator may be responsible for more than network maintenance and may be assigned to one or more tasks below.

• Allocating and adding disk storage space.
• Designing or redesigning the network.
• Expanding the network.
• Helping employees with computer questions.
• Installing and upgrading computers and network equipment on the network.
• Managing filters and rules (e.g., ACLs, firewalls, QoS (quality of service), spam filters).
• Monitoring the network.
• Resetting usernames and passwords.
• Setting up a network, network device, or computers on the network.
• Testing a network for security vulnerabilities.

Examples of network administrator certifications

• MCSA (Microsoft Certified Systems Administrator)
• Network+
• CCNP (Cisco Certified Network Professional)
• CNE (Certified Novell Engineer)
• RHCE (Red Hat Certified Engineer)

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