From 2004 to 2007, he was a minister who was responsible for relations among higher-learning institutions. He served as Niger's Minister of Communication from 2007 to 2009, and was simultaneously a spokesperson for the government. Omar supported a constitutional amendment to let then-President Mamadou Tandja extend his second term in office by three years, but Tandja was overthrown by the military in February 2010 during the 2010 Nigerien coup d'état.