The Packers will reportedly hire former Cleveland Browns coach Mike Pettine for the job.
Bradley reportedly signed a new contract to remain defensive coordinator of the Los Angeles Chargers on Tuesday, and Fangio, whose contract expired on January 8, could be retained in Chicago by new head coach Matt Nagy.
Pettine would succeed Dom Capers, who was sacked last week after a disappointing 7-9 season. The Browns fired Pettine after a poor 2015, finishing with a 10-22 record.
According to Pro Football Reference, the Jets finished first in the league in points and yards allowed in 2009 and sixth in points and third in yards allowed in 2010.
Pettine spent the last two seasons out of the league. With the Buffalo Bills in 2013, his defense ranked 10th.More news: Craig McLachlan Denies Sexual Misconduct Allegations
Pettine was chosen to replace longtime Packers coordinator Dom Capers, a Cambridge, Ohio native, and graduate of the University of Mount Union.
Apart from Pettine, the Packers also interviewed three of Capers' assistants - linebackers coach Winston Moss, cornerbacks coach Joe Whitt and safeties coach Darren Perry - for the job.
Pettine also worked under Ryan with the, for whom Ryan was the defensive coordinator. He's had roles including assistant offensive line coach, tight ends coach, offensive line coach and eventually he became the offensive coordinator from 2007-11.
Offensive coordinator Edgar Bennett will not return to the team, and many of his duties are expected to be taken up by Joe Philbin.