Welcome and thank you for posting in the Community space, @carpentrygenie-g.
I'm here to help you add an accountant to your QuickBooks account. To get started, let's make sure that you've login as the master's admin you can verify it by going to the Manage Users page.
Once done, you can follow the steps below on how to add an accountant:
Go to the Gear icon at the top right to get to the Manage users.