[7] In 2001 Sermanni was an assistant coach for the Bay Area CyberRays of the Women's United Soccer Association (WUSA).

[10] With Sermanni as their coach, the team improved to finish the 2003 season in fifth place with a record of 7 wins, 9 losses and 5 draws, or 26 points.

[17] At the 2014 Algarve Cup, the United States women did not win a game in group stage, and came seventh overall.

This result put Sermanni's position under pressure, and on April 6 he was relieved of his coaching duties following a 2–0 'friendly' win over China.

[18] In 2014 Sermanni joined the coaching staff of the Canada women's national team as a technical consultant.