Why can’t her boss Ron DeSantis tell her not to do that?
FL is a 'weak governor' type executive so its Cabinet is elected not appointed. Thus the Governor cannot ask for resignation except upon blatant corruption and then the State Senate has to confirm.
Secretary Fried is an announced 'D' candidate running against DeSantis for the 2022 race along with others including my favorite perpetual politician, former Governor Charlie Christ(Morgan&Morgan Shill).