Thank you for reaching out to Atlassian Community!
It’s possible to set the landing page when accessing Jira to the Project’s page, but not for a specific project and specific menu.
This setting is individual, so each user must go to Profile picture > Personal settings > Your Jira homepage:
There are feature requests suggesting the implementation of this ability:
Please, click on vote and also watch the tickets above to receive updates.
Hi @jlee - There's an option to change a user overall landing page like a dashboard but I haven't seen this available as a setting.
Here's a link to the same question ask prior and there's a suggestion ticket:
Hello Atlassian Community! We’re thrilled to announce some exciting changes to incident management in Jira Service Management Cloud, in order to give your teams extra muscle during incidents, and ...
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