Gonzales shared the offensive coordinator title with Chris Beatty, who was let go after the season. Illinois averaged only 16.7 points per game last season, last in the Big Ten.
Gonzales came to Illinois after serving as the passing game coordinator and receivers coach at LSU for two years. Before that, he was the receivers coach at Florida.
Illini head coach Tim Beckman hired former Western Michigan coach Bill Cubit as his offensive coordinator last month. Beckman now has two openings on his staff, as he also has to replace defensive line coach Keith Gilmore, who left for North Carolina.