[7][8] In 2009, Sitch played for Sky Blue FC during the inaugural season of the Women's Professional Soccer (WPS).

She started 11 of 16 regular season games and scored one goal on June 28 during a match against the Saint Louis Athletica.

[11] Sitch played for the Chicago Red Stars in the Women's Premier Soccer League Elite (WPSL-Elite) during the summer of 2012.

[16] In 2013, Sitch returned to the Red Stars for the inaugural season of the National Women's Soccer League.

[19] Sitch was a member of the United States U-21 women's national soccer team that won the Nordic Cup in 2004.

[24] In February 2020, Sitch returned to the Chicago Red Stars organization to serve as an assistant first-team coach and also as manager for the club's reserve team in the Women's Premier Soccer League (WPSL).

[2][27] Sitch led the Maroons to an undefeated 22–0–1 record and its first national championship, the first won by a men's soccer team with a woman as head coach in any NCAA division.