Born in Sunderland, Tyne and Wear, Porter started his career with the Sunderlandyouth system and signed a professional contract on 1 August 1998. He left to play for Darlington from 7 March to 21 September 2000 as cover for Andy Collett. He joined Hartlepool United before leaving on 11 November to join Southend United. He played for them until the end of the 2000–01 season, leaving on 5 April 2001. He joined Icelandic team Leiftur Ólafsfjörður, leaving on 22 March 2002 and returned to Darlington on non-contract terms. He joined Third Division team York City on 30 July 2003. He signed a new deal with York City on 29 April 2004 following their relegation to the Conference National. He was released by York at the end of the 2005–06 season on 4 May 2006. Porter signed for Bishop Auckland at the start of the 2006–07 season, making 19 appearances before signing for Gateshead on 30 December 2006. Porter rejoined Bishop Auckland at the start of the 2007–08 season, making a further 50 total appearances. Porter joined Billingham Synthonia at the start of the 2009–10 season, making 50 appearances in all competitions and was named man of the match for his performance in the Durham Challenge Cup Final against Ryton before taking up the role of goalkeeping coach at Gateshead. In November 2010, Porter was named on the bench by Gateshead for the matches against Tamworth and Forest Green Rovers due to an injury to Tim Deasy, and was again named on the bench for the opening game of the 2011–12 season on 13 August against Kidderminster Harriers while Deasy was suspended. Porter re-signed for Darlington on 22 June 2012, however on 25 June despite signing with the previous entity of the football club his registration was changed to the new Darlington 1883 side after the club were liquidated and reformed. He made his Darlington 1883 debut on 18 September 2012 in a Durham Challenge Cup game against Hebburn Town, being sent off after 15 minutes. Porter joined former club Bishop Auckland on loan in October 2012, playing one game against Marske United.
