Stefen Wisniewski took to social media Thursday night to announce his decision to sign with the Steelers.
The interior offensive lineman will sign a two-year deal, Tom Pelissero of NFL Media reports.
Wisniewski, who turns 31 Sunday, is a Pittsburgh native who played at Penn State.
He spent last season in Kansas City and started two games in the regular season and all three games in the postseason.
The Raiders made Wisniewski a second-round choice in 2011. He spent four seasons there, one in Jacksonville and three in Philadelphia before going to Kansas City.
He has won two Super Bowls, starting for the Eagles in the 2017 postseason.