Economy & Business Chipotle Conducts Mass Hiring Event At Its U.S. Restaurants By Sonari Glinton Published September 10, 2015 at 4:22 AM CDT Facebook Twitter Email Listen • 3:51 Andrew Caballero-Reynolds / AFP/Getty ImagesAn employee serves customers in a Chipotle restaurant in Washington, DC on September 9, 2015. Chipotle, the burrito chain whose rocketing growth has fast-food giants like McDonald's reeling, is not slowing down: it plans to hire 4,000 new staff in one go. Copyright 2015 NPR