After retiring at the end of 2004, Amunike moved to
Cantabria in 2006, where he lived with his Spanish wife, Fatima, and took coaching courses. At the same time, he was also coaching some youth teams at
SD Reocín. On 23 December 2008, Amunike took on training duties for some teams in Nigeria, after completing two years of training courses in Europe. In November 2009, he took charge of
Ocean Boys. Amunike coached the
Nigeria U17 national team to win the World Cup in 2015. On 6 August 2018, he was appointed as the coach of the
Tanzania national team. He managed to qualify for the
2019 Africa Cup of Nations, but he resigned from training the team after losing all three games. In November 2019, he said he was looking for a new job. Amunike was appointed the manager of Egyptian Premier League club,
Misr Lei Makkasa in February 2021. In March 2021, his role was changed to director of academies. He became assistant coach of the
Nigeria national team in February 2022. ==Personal life==