He previously served as the offensive coordinator and quarterbacks coach at Florida International University (FIU) in 2021 and pass game analyst for the Philadelphia Eagles in 2020.
Breiner won a National Football Foundation Scholar-Athlete Award from the Central Pennsylvania Chapter of the NFF for his accomplishments athletically, academically and in the community.
In 2006, Breiner began his coaching career as the wide receivers at the Lock Haven University of Pennsylvania, his alma mater.
In 2009, Breiner was hired as a graduate assistant, quarterbacks and wide receivers coach at the University of Connecticut.
On February 5, 2020, Breiner was hired by the Philadelphia Eagles as a pass game analyst under head coach Doug Pederson.