how long was mcdermott with the bills

Sean McDermott was with the Buffalo Bills for nine seasons as their head coach, from 2017 until he was fired in January 2026.

Quick Scoop: McDermott’s Time With the Bills

• Sean McDermott was hired as the Buffalo Bills’ head coach in January 2017.

• He remained in that role through the 2025 season and was dismissed on January 19, 2026, giving him a nine-year tenure.

• Across those nine seasons, he turned the Bills into consistent playoff contenders but never reached the Super Bowl, which ultimately colored the narrative around his exit.

TL;DR: McDermott was with the Bills for about nine years (2017–January 2026) as head coach.

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