Opportunity Marketplace - How to edit attributes on Job Posting?

Summary:
Our purpose is to change the visibility of some attributes on the Job Info section into Opportunity Marketplace

Content (please ensure you mask any confidential information):

Hi,

When we go from Me → Opportunity Marketplace → Select a Job opportunity, we can see the Job page; specifically, the first section we see is Job Info:

Our purpose is to edit the attributes so that we can change their visibility (We want to hide some of this fields).

Is there a way to do this without having to use Page Composer or is that the only way? Can we do this from HCM Design Studio?