Nizialek began his collegiate career at Columbia and did not play as a freshman. As a senior, he led the Ivy League with 44.8 yards per punt on 34 attempts and was named second-team All-conference.[1] After the season, he enrolled at Georgia as a graduate transfer after considering offers from Clemson, Virginia Tech and South Carolina.[2] Nizialek averaged 45 yards per punt on 61 attempts in his lone season at Georgia.[3]
Nizialek was signed by the Baltimore Ravens on August 17, 2019.[5] He was cut by the team during final roster cuts on August 30, 2019.[6]
Jacksonville Jaguars
On December 22, 2020, Nizialek signed with the Jacksonville Jaguars’ practice squad.[7] He signed a reserve/futures contract on January 4, 2021.[8] He was waived on March 17, 2021.[9]
Atlanta Falcons
Nizialek was signed to the Atlanta Falcons practice squad on September 6, 2020, before being released on October 1, 2020.[10][11] Nizialek was re-signed by the Falcons on August 3, 2021.[12] He was placed on injured reserve on October 5, 2021.[13] He was released on November 9.[14]
Pittsburgh Steelers
On December 25, 2021, Nizialek was signed to the Pittsburgh Steelers practice squad.[15] He was released on January 4, 2022. He signed a reserve/future contract with the Steelers on January 26, 2022.[16] He was released on August 16, 2022.[17]