I’ve created 3 teams, but I can only access the System Console when I’m using the 1st team that I created - apparently my account is “System Admin” in that team, but in the other teams I am only “Team Admin”.
If you are a System Admin in any team, then shouldn’t you be a System Admin in all teams?
Each user is distinct and owned by a team. They are different accounts with different roles. You can add someone else system admin from the system console (ie from your first account) or via the cmd line with something like