The LAN Manager must ensure that all the Local Area Networks are working without any issues. The manager is responsible for fixing networking problems and guide the employees on how to use the network. It is the LAN Manager who is in charge of providing access to the network whenever required. They also take care of the network’s security and ensures no outside forces tap into the network.
https://www.fieldengineer.com/skills/lan-manager
As part of their job role, LAN Manager will also manage the team of network technicians. Sometimes, they may also take up the task of the IT guy and look into the
internet and computer issues as well. They play an active role in downloading and installing networks and programs that may come handy to the organization.