DENVER, 2016-Sep-15 — /EPR Retail News/ — Chipotle Mexican Grill (NYSE: CMG) today (Sep. 14, 2016) announced its second-annual National Career Day, taking place on Wednesday, September 28, 2016 during which it seeks to hire 5,000 new employees, topping its 2015 goal of 4,000. Managers of each U.S. restaurant location will hold open interviews for up to…