In his first season as a starter for Oakland in 2009, Hildebrandt finished with seven clean sheets and a 0.73 goals against average and was named to the All-Summit League first team.

Hildebrandt went on to be named to the All-Summit League second team in his senior season in 2011 and finished his career with a total of 249 saves and 19 clean sheets.

[9] He received national attention for his performance in the 2017 U.S. Open Cup semi-final against Chicago Fire, making three saves in the deciding penalty shootout.

In January 2020, Hildebrandt was appointed goalkeeping coach for Sporting Kansas City II of the USL Championship.

[13] Hildebrant came out of retirement to join the Sporting Kansas City II playing roster on September 16, 2020, becoming the first ever player-coach for the club.