Waitman's mother's family is from Suriname.[2] His father, José Waitman, was a professional basketball player, and was playing in Belgium when Corliss was born. The family moved to the Netherlands, where Corliss spent his childhood. When he was 15, he moved to the United States to join his father. Waitman switched from playing soccer to football in high school.[3]
Waitman was signed by the Pittsburgh Steelers as an undrafted free agent on 28 April 2020. He was waived on 5 September 2020 and re-signed to the practice squad. He signed a reserve/future contract on 14 January 2021. He was waived on 3 May 2021.
Las Vegas Raiders
On 26 July 2021, Waitman was signed by the Las Vegas Raiders. He was waived on 23 August 2021.
Waitman was signed by the Steelers off the Patriots practice squad on 25 December 2021, when Steelers punter Pressley Harvin III took bereavement leave.[10] He made his NFL debut in the team's week 16 loss against the Kansas City Chiefs the following day. He was waived on 15 January 2022.[11]
Denver Broncos
On 17 January 2022, Waitman was claimed off waivers by the Denver Broncos.[12]
Waitman was named the starting punter for the Broncos on 29 August 2022, after veteran punter Sam Martin was released.[14] In Week 3, Waitman punted 10 times, six of them inside the 20-yard line, in an 11–10 win over the San Francisco 49ers, earning American Football Conference Special Teams Player of the Week.[15]
New England Patriots (second stint)
On 23 March 2023, Waitman signed a contract with the Patriots, following the Patriots releasing Jake Bailey.[16][17][18] On 28 August 2023, the Patriots released Waitman and was re-signed to the practice squad.[19][20] Waitman was released on 4 October 2023.[21]
Chicago Bears
On 9 January 2024, Waitman signed a reserve/futures contract with the Chicago Bears.[22] He was waived on August 27.[23]
Pittsburgh Steelers (third stint)
On September 9, 2024, Waitman again signed with the Steelers following a season-ending injury to Cameron Johnston.[24]