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Former 49ers head coach Mike Nolan has been working for Sirius XM NFL Radio recently, but if he’s on the airwaves during the 2017 season it will be as a guest.

The company’s Twitter account broke the news on Nolan’s departure on Monday along with the announcement that he’s leaving to take over as the linebackers coach for the Saints. Nolan was one of several veteran coaches to interview with the Saints after they parted ways with Joe Vitt, who was dismissed after 11 years in the organization.

Nolan last coached in the NFL with the Chargers in 2015. He worked with the linebackers that season and had runs as a defensive coordinator with the Broncos, Dolphins and Falcons in the six years before heading to San Diego. Nolan was the 49ers head coach for three-plus years before being fired seven games into the 2008 season.

Nolan will work to help the Saints improve a defense that ranked 31st in points allowed a year after they finished last in the league in that metric.