He is currently the offensive coordinator and quarterbacks coach at his alma mater, Leilehua High School, a position he has held since 2023.

As a sophomore, Moniz passed for 2,879 yards and 27 touchdowns and led Leilehua to the state championship game.

Moniz later recalled his semester in Fresno as follows: "I lived in a studio with all eight of my animals (two bulldog puppies, two poi dogs and four rabbits).

[3] Moniz delivered pizzas to pay his school expenses and to support his daughter Cali,[4][5] becoming "somewhat of a folk hero.

Through the first twelve games of the 2010 season, Moniz led the Warriors to a 9–3 record as he completed 287 of 434 passes for 3,934 yards and 28 touchdowns.

[8][13] He led the Warriors to an upset victory over previously unbeaten Nevada on October 16, 2010, as he completed 26 of 36 passes for three touchdowns and no interceptions.

[14] In the fourth game of the 2011 season, Moniz tied an NCAA record by throwing seven touchdown passes in the first half in a 56–14 victory over UC Davis.

As of November 6, 2011, he ranked eighth among all NCAA Division I FBS players in passing yardage.

In May 2012, Bryant Moniz signed with the Georgia Force of the Arena Football League (AFL).

[24] Moniz was named the offensive coordinator at Moanalua High School before the start of the 2020 HHSAA season.

[25][26] Moniz was named the offensive coordinator and quarterbacks coach at his alma mater, Leilehua High School in 2023.