Killings has two separate NBA stints in his professional career. His first job after graduating Hampton University in 2003 was with the Charlotte Bobcats as a special assistant and assistant video coordinator. Later, Killings spent one year in the NBA D-League as Manager of Basketball Operations.
In between his NBA roles, Killings spent three seasons as Assistant Director of Basketball Operations at Temple University, his first stint with the Owls, again under Fran Dunphy. Temple won back-to-back Atlantic-10 titles in 2007-08 and 2008-09, earning NCAA Tournament bids in the same years.
In total, since he started his NCAA coaching career at Temple in 2006, Killings’ teams have made seven NCAA Tournament appearances and one appearance in the NIT. He has won three conference tournament titles, two regular-season titles, and coached three conference Players of the Year, including one All-America selection.