Slowik was defensive coordinator for the Cleveland Browns and Chicago Bears before joining coach Mike Sherman's staff in 2000. He was promoted to assistant head coach last year in addition to his duties as defensive backs coach.
"I haven't been contacted by anyone and I haven't pursued anything," Slowik told the Omaha World-Herald. "I'm where I want to be right now. I don't look forward to the next job."
Duffner, 49, has been a Bengals assistant for six years and was interviewed this month for their vacant head coaching position. Sources said he and Packers coach Mike Sherman were close friends, from four years together at Holy Cross, according to the Milwaukee Journal Sentinel.
Bob Davie, the former Notre Dame head coach who coached with Sherman at Texas A&M, may also be a strong candidate to coach the linebackers, or Green Bay's special teams. Davie and Sherman also are reportedly good friends.
Frank Novak retired last week as Green Bay's special teams coach. Novak joins Bo Pelini, who left to become defensive coordinator at the University of Nebraska earlier this month, as the first two assistants under Sherman to leave their positions since 2000.
Sherman said last week that he will interview coaching candidates at this week's Senior Bowl in Mobile, Ala.