Warne began his career as a trainee with Chesterfield in 2001. He made four first-team appearances in the 2002–03 campaign, After spells on loan with Worksop Town and Matlock Town, he was released by Chesterfield at the end of the 2003–04 season and joined Conference North club Hucknall Town. In October 2007, Warne moved on to Conference North side Alfreton Town,