Jim O'Neil

Head Coach at Assistant head coach/safeties coach since 2026.

Seasons coached: 24
First season: 2001
Teams: 15

Career

17 stints

2000s
- 2001AlbanyAssistant Offensive LineTight Ends
- 2002PennsylvaniaAssistant Offensive Line
- 2003–2004NorthwesternGraduate Assistant
- 2005TowsonDefensive CoordinatorDefensive Backs
- 2006–2008Eastern MichiganSafeties
- 2009New York JetsDefensive Quality Control
2010s
- 2010–2012New York JetsAssistant Defensive Backs
- 2013Buffalo BillsLinebackers
- 2014–2015Cleveland BrownsDefensive Coordinator
- 2016San Francisco 49ersDefensive Coordinator
- 2018Oakland RaidersDefensive Assistant
- 2019–2020Oakland / Las Vegas RaidersDefensive Backs
2020s
- 2021–2022NorthwesternDefensive Coordinator
- 2024Defensive assistantHead Coach
- 2024–2026Detroit LionsHead Coach
- 2025Defensive assistant/safeties coachHead Coach
- 2026–presentAssistant head coach/safeties coachHead Coach

Coaching tree

8 mentors, 11 protégés, 1 branch — a branch is a protégé who went on to hold a head job.

MentorsProtégés

Became a head coachShowing up to 7 per row

Relationships

Coached under

19

4 more, most recent shown first.

Succeeded

5

Tenure

24 seasons

Detroit LionsHead coach · 2024–20263
New York JetsPosition coach · 2010–20123
Eastern MichiganPosition coach · 2006–20083
NorthwesternCoordinator · 2021–20222
Oakland / Las Vegas RaidersPosition coach · 2019–20202
Cleveland BrownsCoordinator · 2014–20152
NorthwesternAnalyst · 2003–20042
Assistant head coach/safeties coachHead coach · 2026 · current1
Defensive assistant/safeties coachHead coach · 20251
Defensive assistantHead coach · 20241
Oakland RaidersAnalyst · 20181
San Francisco 49ersCoordinator · 20161
Buffalo BillsPosition coach · 20131
New York JetsAnalyst · 20091
TowsonCoordinator · 20051
PennsylvaniaPosition coach · 20021
AlbanyPosition coach · 20011

Pipeline

1 of 8 coordinators

0 seasonsJohn Mortonunder at Detroit Lions 2025 · head coach at Denver Broncos2025

Moves

Nothing on the wire for Jim O'Neil. The wire carries moves published since the register went live; the career above is the record before that.

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