San Francisco 49ers in the NFC playoffs on Saturday night. Dorsey will be introduced at a news conference Monday.
Dorsey, who played linebacker for the Packers in the 1980s, was instrumental in building Green Bay into a perennial contender. He was the director of college scouting from 2000-12, and spent last year as the director of football operations.
Dorsey also worked with new Chiefs coach Andy Reid from 1992-98, when Reid was an assistant coach for the Packers. Reid was hired to replace Romeo Crennel on Jan. 4.