He replaced Montenegrin coach Veselin Vujovic in the national team.
Guijosa, 55, led Iran from 2012 to 2014 and helped Team Melli win a solitary medal in the Asian championship, beating the UAE in the bronze-medal match in 2014.
He won two bronze medals with Spain as a player in the 1996 Summer Olympics in Atlanta and in the 2000 Summer Olympics in Sydney.