One of the top overtime earners in disgraced ex-NYPD Chief Jefferey Maddrey’s office is talking to federal investigators as they probe sex-for-overtime allegations uncovered by The Post, law enforcement sources said.

Former NYPD Chief of Department Jeffrey Maddrey is now formally suspended, and federal agents searched his home Thursday.

Federal prosecutors are investigating former NYPD Chief of Department Jeffrey Maddrey, who tendered his resignation following sexual misconduct allegations. Investigators showed up with search warrants at several locations linked to Maddrey, including his home.