Career
He usually plays as a central midfielder or as a left sided midfielder but can also play as a left-back. Tottenham Hotspur
= Loans During his time at White Hart Lane he spent many seasons on loan at various lower league clubs, such as Swindon Town, where he scored twice, once in the league against Northampton Town, and once in the Football League Trophy against Southend United. He also went on loan to Colchester United, whom he would later join on a permanent basis.
Colchester United
In the summer of 2006, Jackson was released by Tottenham.
He was soon signed on a free transfer by Colchester, who were recently promoted to the Championship, and whom he had played for on loan in 2003. He scored his first goal for the club in February 2007, when Colchester lost 2–1 against West Bromwich Albion.
During the 2008-2009 season, Jackson missed several games due to a back injury that was aggravated during the 1–1 draw against Milton Keynes Dons. N ottinghamshire County
On 17 August 2009, Jackson signed for N ottinghamshire County.
Charlton Athletic
On 18 February 2010 Jackson signed for Charlton Athletic on a one-month loan to cover at left-back following an injury to Grant Basey.
Jackson joined Charlton permanently in July 2010 and was named the League One Player of the Month for November that year. He was appointed club captain for the 2011-2012 season. In the same season Jackson scored 13 goals from left-midfield, two coming from free kicks in crucial 1–0 wins against both Sheffield Wednesday and Sheffield United as he led Charlton to the League One title.
On 29 June 2012, Jackson signed a two-year contract extension.
Jackson continued his scoring record in the Championship, with a further 12 goals as Charlton finished in a secure ninth place. On 14 March 2014, Jackson signed a new two-year contract extension with the Addicks.
Johnnie Jackson has also made 200 appearances for Charlton Athletic. N ottinghamshire County
Football League Two: 2009-2010
Charlton Athletic
Football League One: 2011-2012.