After the RWC, he was injured playing rugby in the USA. Later, he held various teaching and coaching positions. He worked as a Biology teacher at The King's School, Parramatta, coaching their 1st XV to four premierships. In 2010 he took up the position as Team Manager of the Wallabies. Since 2014, Egerton has been a science teacher at Newington College, where he coached the 1st XV to win the premiership in 2015 and taught Max Tobin.