With their last pick in the2015 NFL draft, theWashington Redskins selected Reiter in the seventh round with the 222nd overall pick.[3] He signed a four-year contract with the team on May 8, 2015.[4][5] He was waived on September 4 before the start of the regular season,[6] but signed to thepractice squad on September 29.[7]
He signed afutures contract on January 11, 2016.[8] He was released by the Redskins on September 13, 2016.[9] He was re-signed to the teams' practice squad the next day.[10]
On September 20, 2016, Reiter signed with theCleveland Browns' active roster.[11] On October 2, he started his first game for the Browns but suffered a season-endingACL tear during the contest.[12] He was placed oninjured reserve on October 10, 2016.[13]
Reiter was waived by the Browns on September 2, 2018.[14]
On September 3, 2018, Reiter was claimed off waivers by theKansas City Chiefs.[15] He signed a two-year contract extension with the Chiefs on December 6, 2018.[16]
In 2019, Reiter was named the Chiefs starting center and started every game including the playoffs. He wonSuper Bowl LIV when the Chiefs defeated theSan Francisco 49ers 31–20.[17]
On September 15, 2021, Reiter was signed to theNew Orleans Saints practice squad. On September 18, 2021, Reiter was promoted to the Saints active roster for the game against theCarolina Panthers.[18]
On October 5, 2021, Reiter was signed by theMiami Dolphins off the Saints' practice squad.[19] He started five games at center due to injury before being released on December 14.[20]
Reiter signed with the Chiefs on March 24, 2022.[22] He was released on May 6, but re-signed four days later. He was released on August 30, 2022, and signed to the practice squad the next day.[23][24] Reiter won his secondSuper Bowl ring when the Chiefs defeated thePhiladelphia Eagles inSuper Bowl LVII.[25] He signed a reserve/future contract on February 15, 2023.[26]
On August 29, 2023, Reiter was released by the Chiefs and re-signed to the practice squad.[27][28] Reiter won his third championship when the Chiefs defeated the 49ers inSuper Bowl LVIII.[29]