Huebner worked from 1999 to 2000 for Film Roman. While there, he was the production assistant for Andy Vs. The Real World (or The Big-Ass Viacom Lawsuit (2000) and The Golden Child (2001).[8][9] He was also a production coordinator for Andy Gets A Promotion (2000).[10]
In 2003 and 2004, he was a post-production supervisor and post-production coordinator for episodes of Dora the Explorer.[11][12][13] He was the production manager for sixteen episodes of the show Avatar: The Last Airbender across three seasons, from 2005 to 2008.[14][1] He also wrote the show's "magnum opus", the "Tale of Iroh" segment in the episode "The Tales of Ba Sing Se." Sifu Kisu,Avatar: The Last Airbender's martial arts consultant, said "The person that runs it, the guy that really held Avatar together, was a guy named Andrew Huebner. He was the production manager at the time and he went on to do several other really big projects."[1]
In 2008, Huebner worked as a line producer for Destiny Schmestiny and an animation producer for the show Ni Hao, Kai-Lan.[15][2] In 2010, he received a nomination for a Daytime Emmy Award for Outstanding Special Class Animated Program for his production work on the television series Ni Hao, Kai-Lan, along with Jeff DeGrandis, Mary Harrington, and Sascha Paladino.[16]
Huebner received his second Daytime Emmy Award in 2013 when Kung Fu Panda: Legends of Awesomeness won Outstanding Children's Animated Program; The Penguins of Madagascar was also nominated in 2013.[19][20][5]Kung Fu Panda: Legends of Awesomeness also received a Primetime Emmy Award nomination for Outstanding Animated Program (for Programming Less Than One Hour) in 2013.[21] He also produced three animated shorts for Nickelodeon that were released in 2013: Bug Salad, Earmouse and Bottle, and Woodstump!.[2]Bug Salad was an official selection of the Annecy International Animation Film Festival in 2014.[22]
In 2014, he received two more Daytime Emmy nominations when Kung Fu Panda: Legends of Awesomeness and Monsters vs Aliens were nominated for the Outstanding Children's Animated Program, with the former winning again.[23][6] He produced Kung Fu Panda: Legends of Awesomeness from 2011 to 2016.[24]
In 2016, Huebner became a vice president of series production for Nickelodeon.[25][26][2] Projects that he has overseen in this capacity include Pig and a Blanket (2016), Slimelab (2016), Space Mission: Danger! (2016), The Super Dooper Studios (2016), Farkels (2017), Hey Arnold!: The Jungle Movie (2017), and Camp Weedonwantcha (2017).[2] He also produced the animated short Don vs. Raph (2016), also known as Teenage Mutant Ninja Turtles: Don vs Raph, which premiered at San Diego Comic–Con following a panel celebration 25 years of cartoons on Nickelodeon.[27][28]