After retirement, Ueki started coaching career at Fujita Industries (later "Bellmare Hiratsuka"). In November 1995, he became a manager as Mitsuru Komaeda successor and managed at 1995 Emperor's Cup and 1995 Asian Cup Winners' Cup. The club won the champions at Asian Cup Winners' Cup. In September 1996, he became a manager for Bellmare again as Toninho Moura successor and managed until 1998. In 1999, he moved to J2 League club Montedio Yamagata and managed until 2000. In 2002, he moved to Japan Football League club Thespa Kusatsu. In 2004, he managed 1 season and promoted the club to J2 League from 2005. In 2006, he became a manager for Thespa again and managed until 2008.