You could consider using automation. Add the manager will be assignee as a watcher or simply send them an email to notify. The challenge with this is just gonna be hardcoded you have to set that up for every assignee there is nothing to do the association of employee to manager natively.
For JSM June Challenge #2, share how your non-technical teams like HR, legal, marketing, finance, and beyond started using Jira Service Management! Tell us: Did they ask to start using it or...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events