Scottish giants Rangers are looking for a new manager for the 2014-15 season at the moment.
Former Rangers youth coach Kernaghan, who worked with Warburton for two years at English Championship club Brentford, believes that the 52-year-old should be given the managerial job at Ibrox.
“If Rangers are looking at a complete overhaul of their football department then he is their man,” the 48-year-old told The Scottish Sun. “I’ve got no doubts saying that.
“From academy level to first team, Mark knows what it takes. Rangers would not be too big for him either. He has the qualities to go into Ibrox and succeed.”
Warburton did a remarkable job at Brentford and led the Bees to a top-six finish in the English Championship in the recently concluded 2014-15 season.
Brentford are not a big club and did not have a great team, but the Englishman got the best out of the players and fared much better than expected.
Rangers will be looking for promotion from the Scottish Championship to the Scottish Premiership next season, and Warburton could be the man for that challenge.