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Network Administrator

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March 29, 2024 Updated March 30, 2025 18 minute read

Network Administrator: Guardians of the Digital Realm

A Network Administrator is a vital IT professional responsible for the day-to-day operation, maintenance, and security of an organization's computer networks. Think of them as the digital infrastructure managers, ensuring that all the systems that allow computers and users to connect and communicate—like routers, switches, firewalls, and servers—are running smoothly, efficiently, and securely. They handle everything from setting up new user accounts to troubleshooting complex connectivity problems, making sure the digital pathways remain open and protected.

Working as a Network Administrator can be deeply engaging for those fascinated by how information travels and how systems interconnect. It offers the constant challenge of solving technical puzzles, the satisfaction of keeping critical systems running, and the opportunity to work with cutting-edge technologies. The role is dynamic, requiring continuous learning as networks evolve with trends like cloud computing and enhanced security measures, ensuring that no two days are exactly alike.

Introduction to Network Administration

What is Network Administration?

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Salaries for Network Administrator

City
Median
New York
$147,000
San Francisco
$115,000
Seattle
$102,000
See all salaries
City
Median
New York
$147,000
San Francisco
$115,000
Seattle
$102,000
Austin
$120,000
Toronto
$100,000
London
£51,000
Paris
€50,000
Berlin
€78,000
Tel Aviv
₪70,000
Singapore
S$46,600
Beijing
¥99,000
Shanghai
¥121,000
Shenzhen
¥21,000
Bengalaru
₹624,000
Delhi
₹680,000
Bars indicate relevance. All salaries presented are estimates. Completion of this course does not guarantee or imply job placement or career outcomes.

Path to Network Administrator

Take the first step.
We've curated 24 courses to help you on your path to Network Administrator. Use these to develop your skills, build background knowledge, and put what you learn to practice.
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Reading list

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This classic work by Stevens must-read for anyone interested in the inner workings of the TCP/IP protocol suite. It provides a detailed analysis of the protocols that underpin the internet, making it an invaluable resource for network engineers and researchers.
This textbook provides a comprehensive overview of computer networking, covering fundamental concepts, protocols, and applications. It is an excellent resource for students new to the field and for professionals looking to refresh their knowledge.
Provides a comprehensive overview of routing protocols, which are used to determine the best path for data to travel across a network. It valuable resource for network engineers and administrators.
This textbook provides a comprehensive overview of computer networks. It covers a wide range of topics, including network architecture, protocols, and applications. It is an excellent resource for students new to the field and for professionals looking to refresh their knowledge.
Ce livre fournit une vue d'ensemble complète des réseaux informatiques. Il couvre un large éventail de sujets, y compris l'architecture des réseaux, les protocoles et les applications. C'est une excellente ressource pour les étudiants débutants et pour les professionnels souhaitant actualiser leurs connaissances.
This textbook provides a comprehensive overview of network flow optimization. It covers a wide range of topics, including network flow models, algorithms, and applications. It is an excellent resource for students new to the field and for professionals looking to refresh their knowledge.
This textbook provides a comprehensive overview of network management. It covers a wide range of topics, including network monitoring, fault management, and performance management. It is an excellent resource for students new to the field and for professionals looking to refresh their knowledge.
Classic in the field of networking. It provides a detailed explanation of the TCP/IP protocol suite, which is the foundation of the Internet.
Practical guide to network security. It covers a wide range of topics, including firewalls, intrusion detection systems, and vulnerability assessment. It is an excellent resource for anyone responsible for securing a network.
Doyle's book comprehensive guide to routing TCP/IP traffic. It covers a wide range of topics, including routing protocols, routing tables, and network performance, making it a valuable resource for network administrators and engineers.
Provides a comprehensive overview of network security, covering topics such as firewalls, intrusion detection systems, and encryption. It valuable resource for security professionals and anyone interested in protecting their networks from cyberattacks.
Provides a comprehensive overview of routing, which is the process of moving data from one network to another.
Provides a practical overview of network security, covering topics such as firewalls, intrusion detection, and cryptography.
Provides a comprehensive overview of network management, covering topics such as network monitoring, fault management, and performance management.
This textbook by Kurose and Ross provides a clear and concise introduction to the principles and protocols of computer networks. It is suitable for students and practitioners alike, and covers a wide range of topics, including network architecture, routing, and security.
Provides a comprehensive overview of computer networks, covering topics such as network architecture, protocols, and applications.
Provides a comprehensive overview of network protocols, covering topics such as the TCP/IP protocol suite, routing protocols, and application protocols.
By Donahue provides a gentle introduction to the principles and practices of computer networking. It is suitable for beginners and those with little to no prior knowledge of networking, and covers a wide range of topics, including network architecture, protocols, and security.
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