Add Management Level field in Internal Job posting

Summary:

Our client wants to see "Management Level" field associated to the job of the requisition in Internal Job postings. I have tried using HCM Design studio under Recruiting - Define Job requisition fields in Internal Career Site action, but I could see only Job Requisition DFF there. And I tried to enable it using Page composer as well, but the field is not available in that page.

Could anybody please help me to solve this?

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