After graduating from high school, he joined Kashiwa Reysol in 1997.

However his opportunity to play decreased, he moved to Shimizu S-Pulse in 2003.

In October 2000, Kitajima was selected Japan national team for 2000 Asian Cup.

At this competition, on October 17, he debuted and scored a goal against Uzbekistan.

[2] On 16 November 2023, Kitajima appointment manager of JFL club Criacao Shinjuku for upcoming 2024 season.