Network and computer systems administrators oversee and maintain the daily operations of an organization’s computer networks. They determine hardware and software needs, make upgrades, and maintain the network’s security. Additionally, professionals in this field monitor network performance, identify and repair network problems and errors, and train staff on how to use various computer systems.

Although the exact day-to-day duties of a network and computer systems administrator vary based on the organization they work for, other common job duties may include the following:

• Maintaining IT operations such as applications, email systems, hardware, software, and network security tools
• Optimizing and maintaining network security protocols, such as secure socket layer (SSL), secure file transfer protocol (SFTP), and virtual private networks (VPNs), to ensure data is protected
• Spotting inefficiencies in an organization’s computer network and making recommendations to address weaknesses
• Performing routine network audits
• Troubleshooting issues with an organization’s local area network (LAN), wide area network (WAN), and other network segments
• Training staff in using software and hardware
• Collaborating with network architects to build and maintain servers and optimize network performance
• Participating in hardware and software purchasing decisions
• Planning and executing hardware and software upgrades