By Zach Koons The ex-Dolphins coach will get another opportunity in Pittsburgh while the lawsuit he filed remains unresolved. Brian Flores landed a new job in the NFL, less than three weeks after he filed a lawsuit seeking class-action status against the league and three teams alleging discrimination in their hiring practices. The ex-Dolphins coach will join the Steelers as a senior defensive assistant and linebackers coach, the team announced on Saturday. The opportunity is quite the turnaround for Flores, who was relieved of his duties in Miami after the 2021 season. He posted a 24–25 record…