Eastern Washington Wulff began his coaching career in 1993 as a volunteer assistant under head coach
Dick Zornes at
Eastern Washington University in
Cheney. Zornes retired after that season and assistant coach
Mike Kramer was promoted to head coach, who hired Wulff to a full-time position. After four seasons as the Eagles' offensive line and strength coach, Wulff added offensive coordinator duties in 1998. When Kramer departed for conference rival
Montana State after the 1999 season, the school named Wulff his successor. During his eight seasons as EWU's head coach, Wulff compiled an overall record of 53 wins and 40 losses; the Eagles won two
Big Sky Conference co-championships (2004 and 2005) and appeared three times in the
Division I-AA (FCS) playoffs. Wulff earned Big Sky Coach of the Year honors in 2001, 2004, and 2005.
Washington State Wulff returned to his alma mater after the 2007 season when he was named the 31st head football coach at Washington State on December 10. and left with the lowest winning percentage () in school history. His teams only won four games in
Pacific-10 Conference play, including a winless 0–9 conference mark in 2009—part of an overall record of 1–11, the worst in the school's modern football history. The next three head coaches Washington State hired were
Mike Leach,
Nick Rolovich, and
Jake Dickert, who would all go on to have at least one winning season while coaching the Cougars. On February 19, 2024, All Coug'd Up (a Washington State news and opinion site sponsored by the
FanSided Network) published an article titled "The 3 worst head coach hires in Washington State football history"; Paul Wulff ranked the worst. The article opened up with an opening statement, "A former Cougar himself, Paul Wulff is among the worst coaches in collegiate football history, much less in the Washington State record books."
San Francisco 49ers In May 2012, Wulff joined former Pac-10 foe
Jim Harbaugh as an offensive assistant with the
San Francisco 49ers, with multiple duties on that side of the ball.
South Florida In January
2014, he was hired as the offensive coordinator and offensive line coach at the
University of South Florida in
Tampa.
Sacramento State In February 2016 he was hired as the
Sacramento State assistant head coach/offensive line coach.
Cal Poly Following almost three years as an offensive line assistant for the
Mustangs, Wulff was named head coach at
Cal Poly in December 2022 by Athletic Director, Don Oberhelman. Cal Poly's first season under Wulff saw no improvement from the previous season in the win-loss column in conference play. Cal Poly's lone conference win came in a one score victory over a winless
Northern Colorado team. Cal Poly's two nonconference victories came against a
San Diego team which does not award athletic scholarships to football players, and against a non NCAA or NAIA
Lincoln team which has been likened to "the college Bishop Sycamore". Cal Poly finished the 2023 season with the 11th (out of 12 teams) ranked scoring offense in the
Big Sky Conference with 20.55 points per game. Cal Poly's second year under Wulff did not see any improvement from Wulff's first year in the overall win-loss column. One of Cal Poly's wins in 2024 came against a
Division II Western Oregon Wolves team that finished their 2024 season one game above .500. Cal Poly's two other wins in 2024 came against conference foes
Northern Colorado and
Sacramento State that finished their 2024 seasons with a combined record of 2-14 in conference play. Cal Poly finished the 2024 season with the 11th (out of 12 teams) ranked scoring offense in the Big Sky Conference with 20.73 points per game. Cal Poly's third season under Wulff saw little improvement from the previous season in the overall win-loss column. Cal Poly's two nonconference victories came against the same San Diego team (which does not award athletic scholarships to football players) it beat two seasons ago, and against the same Division II Western Oregon Wolves team it beat in the previous season. Wulff had a record of 2–4 versus in-state rivals
UC Davis and
Sacramento State as Cal Poly's Head Coach. On November 23, 2025, Wulff was fired as head coach at Cal Poly, a day after the Mustangs won at home against
Eastern Washington, 43–34. Wulff finished his tenure at Cal Poly with a record of 10–24 in three seasons. ==Personal life==