This former midfielder made 12 national team appearances between 1977 and 1978, when he netted his only international goal against Malaysia. After hanging up his boots, Nishino became a coach with Japan's national youth teams.
He participated in the Olympic Football Tournament 1996, where his charges secured the first – and, to date, only - victory over Brazil by a Japanese team. In 1998 he switched to club management, coaching Kashiwa Reysol, Gamba Osaka, Vissel Kobe and Nagoya Grampus. He enjoyed a particularly successful tenure in charge of Gamba Osaka, whom he led to six trophies including one league championship, one national cup and, most importantly, the AFC Champions League title in 2008.
In March 2016, Nishino returned to work with the Japanese FA as technical director, before being named head coach of the senior national side on 9 April 2018.