As an SAP Basis administrator, your responsibilities are to set up Systems Applications and Products management tools so that end users can utilize them. Your primary duties are to configure SAP Basis, which is a middleware system that allows SAP applications to function properly. Specific tasks include ensuring end-users have proper access to Basis and applications running on it, helping other developers and administrators to design and implement new SAP tools and monitor their performance, and working to troubleshoot problems with Basis infrastructure as well as operability of applications on the system.