The Admin user is meant for one or two users who have full control over the Nano Platform.
The privileges of an Admin are:
Device Manager. Add, remove and edit devices on the Nano
Network Manager. Configure the Static IP and ports the Nano uses
Zone Manager. Add, remove and modify Zones. As well as move devices between zones
Member Manager. Add, remove and edit Team members and their privileges
Project Admin. Change the Look and Feel, Dashboard and other Project settings