A F5 Certified BIG-IP Administrator manages preexisting BIG-IP installations and preliminary fault isolations. They must have the ability to make necessary configuration changes and modify BIG-IP objects. They are also responsible for application delivery networks (ADNs) and for conducting routine management and troubleshooting of F5 Traffic Management Operating System (TMOS) devices.

Administrators must have in-depth knowledge of application proxies. They must be able to explain valid uses and methods of HTTP and must recognize and define the components of TMOS. They are responsible for describing, in detail, the 7 layers of the OSI model. Certified BIG-IP Administrators also develop basic network configurations on BIG-IP systems that includes self IPs and VLANs.