Coming out of Utah, Taumoepenu was ranked as the 28th best outside linebacker prospect by CBS Sports.
[1] On October 4, 2016, it was announced Taumoepenu had received an invitation to play in the NFLPA Collegiate Bowl.
[2] On January 21, 2017, Taumoepenu attended the NFLPA Collegiate Bowl and recorded four solo tackles and one sack as a part of Jim Zorn's American team who lost 27–7 to Mike Martz's National.
[5] On March 23, 2017, Taumoepenu attended Utah's pro day and performed the majority of combine drills.
[6] At the conclusion of the pre-draft process, Taumoepenu was projected to be a seventh round pick or priority undrafted free agent.
[13] Throughout training camp, he competed for a roster spot against Brock Coyle, Eli Harold, Ray-Ray Armstrong, Dekoda Watson, and Jimmie Gilbert.
Head coach Kyle Shanahan named him the third strongside linebacker to begin the season, behind Harold and Watson.
[19] He was waived/injured during final roster cuts on August 31, 2019,[20] and reverted to the team's injured reserve list the next day.