McGuinness combines his role as Donegal manager with a job as a performance consultant, in the area of sports psychology at Celtic .
Neil Lennon was employed as Celtic manager at the time time of McGuinness' arrival at the club in 2012.
Speaking to Scottish newspaper The Daily Record this week, Delia explained that he wants to use McGuinness as much as possible next season.
“We already have a sports psychologist in Jim McGuinness, so I want to bring him in even more," he said.
“All my staff’s knowledge is going to be used, I can’t do it all."