On a Managed Atlassian account, it's possible for the Org admin to make changes to the account, such as setting Job Title, Department, and Location (this doc).

We suggest implementing the possibility of adding a logo or watermark to the account so it appears on the tooltip when hovering the mouse over a user while browsing Jira/Confluence. This extra visual indicator would be useful to quickly differentiate user groups, such as employees and external users: