Longtime Penn State assistant coach Tom Bradley is joining the West Virginia staff.

The school announced Friday night the hiring of Bradley as senior associate head coach and a yet to be determined defensive coaching position.

"Tom brings numerous years of successful college coacing experience and versatility," West Virginia coach Dana Holgorsen said. "He is an excellent defensive teacher, has high energy and intensity and gives us a proven recruiter with regional and national ties.

"I look forward to Tom joining the Mountaineer family, and I know he will work extremely well with Tony (Gibson), our defensive coordinator. The two have known each other for quite some time and share many of the same philosophies. We have put together a strong defensive staff under Tony's leadership."

The 57-year-old Bradley served on Joe Paterno's staff for 33 years at Penn State. He replaced Jerry Sandusky as defensive coordinator in 1999 and remained in that role until he took over as interim coach for four games during the 2011 season after Paterno was dismissed in the wake of the Sandusky sexual-abuse scandal.

"I am truly excited to join the West Virginia football program," Bradley said. "I want to thank Coach Dana Holgorsen and (athletic director) Oliver Luck for this tremendous opportunity to contribute to the continued growth and success of the Mountaineer football program.

"Tony Gibson and I have recruited against each other in Pennsylvania for a lot of years, and it will be good to finally be on his side. I look forward to working with my friend to build a strong defensive unit at West Virginia."

When Bill O'Brien was hired as Penn State coach in 2012, Bradley resigned. He spent the past two seasons working in broadcasting as a college football analyst.