Jacobson entered the Supercars Championship full time in 2019, with Kelly Racing.
Jacobson's best finish that season would be a 12th place at Surfers Paradise. He ended up finishing 23rd in the standings that season.
In 2020, Jacobson defected to Matt Stone Racing. His best finish that season would be a 7th place at Sydney Motorsport Park. He improved slightly, finishing 21st in the points by the end of the season.