Sean McDermott has coached in the NFL since 2001, spanning 25 seasons with 3 organizations. He served as head coach of the Buffalo Bills. His roles included Defensive Coordinator, Defensive Backs, Linebackers, and Safeties. He worked under Andy Reid and Ron Rivera. 2 of his former assistants went on to become NFL head coaches.

Coaching Tree

Head Coach Offense Defense Special Teams General

Career Timeline

Career History

Year	Team	Role(s)
2025	Buffalo Bills	Head Coach HC
2024	Buffalo Bills	Head Coach HC
2023	Buffalo Bills	Head Coach HC
2022	Buffalo Bills	Head Coach HC
2021	Buffalo Bills	Head Coach HC
2020	Buffalo Bills	Head Coach HC
2019	Buffalo Bills	Head Coach HC
2018	Buffalo Bills	Head Coach HC
2017	Buffalo Bills	Head Coach HC
2016	Carolina Panthers	Defensive Coordinator under Ron Rivera
2015	Carolina Panthers	Defensive Coordinator under Ron Rivera
2014	Carolina Panthers	Defensive Coordinator under Ron Rivera
2013	Carolina Panthers	Defensive Coordinator under Ron Rivera
2012	Carolina Panthers	Defensive Coordinator under Ron Rivera
2011	Carolina Panthers	Defensive Coordinator under Ron Rivera
2010	Philadelphia Eagles	Defensive Coordinator under Andy Reid
2009	Philadelphia Eagles	Defensive Backs under Andy Reid
2008	Philadelphia Eagles	Defensive Backs under Andy Reid
2007	Philadelphia Eagles	Linebackers under Andy Reid
2006	Philadelphia Eagles	Safeties under Andy Reid
2005	Philadelphia Eagles	Safeties under Andy Reid
2004	Philadelphia Eagles	Safeties under Andy Reid
2003	Philadelphia Eagles	Assistant Defensive Backs under Andy Reid
2002	Philadelphia Eagles	Defensive Quality Control under Andy Reid
2001	Philadelphia Eagles	Defensive Quality Control under Andy Reid

Worked Under (2)

Coach	Team	Years
Andy Reid	Philadelphia Eagles	10
Ron Rivera	Carolina Panthers	6

Protégés (2)

Coach	First HC Job	Year
Dave Culley	Houston Texans	2021
Brian Daboll	New York Giants	2022