Growing up in Southern California, Steinberger spent time with various youth soccer teams in the area before joining IMG Academy in Bradenton, Florida.
He then tried his luck in Europe, spending time in the youth ranks for Slovakian club MFK Košice and German side Karlsruher SC.
Steinberger spent his entire college career at Butler University between 2011 and 2014, where he made 65 appearances, scored 14 goals, and had 15 assists for the Bulldogs.
He made 4 appearances for Houston's USL affiliate Rio Grande Valley FC before being loaned to NASL club Jacksonville Armada on June 29.
On October 30, Steinberger scored once and had 2 assists to help the Armada defeat Tampa Bay 3–2 in the final game of the season.
[15] He scored 4 goals and had 3 assists in 10 appearances for North Carolina as they finished 9th in the Eastern Conference, missing out on the USL Playoffs by 2 points.
[19] He ended the USL regular season with 21 appearances, 3 goals, and 2 assists, helping the Rowdies finish 5th in the Eastern Conference and qualify for the playoffs.
[6] During a shortened 2020 regular season due to the COVID-19 pandemic, Steinberger made 8 appearances and had 2 assists to help Tampa Bay qualify for the playoffs.
[22] The USL Championship Final was cancelled due to multiple Rowdies players and staff testing positive for COVID-19.