The turned to a familiar face to run their defense.San Francisco is hiring as defensive coordinator, NFL Media Insider Ian Rapoport reported Thursday, per a source informed of the team's plans. "The Mangenius" was the team's tight ends coach in 2014 and gets a three-year contract for his new role.The hiring comes two days after Mangini with the about their defensive play-calling vacancy.The former and coach has spent the past two seasons with the learning the offense under former coach . Before taking over the tight ends role, he served as a senior offensive consultant in 2013, Julien Gauthier Jersey despite growing up in the NFL as a defensive-minded coach under in New England.In San Francisco, he'll have many attractive pieces to work with. , , , and form the nucleus of one of the most talented defenses in the NFL. The Niners ran a 3-4 scheme under Vic Fangio, and are likely to stick with it; Mangini ran a 3-4 during his time with the and .The also plan to hire current play-caller Jason Tarver as linebackers coach, but the newly hired still has work to do on the rest of his coaching roster. San Francisco still needs to find an offensive coordinator.The latest Podcast and tells you whom to trust in XLIX. Find more content on . Jakub Skarek Jersey