WAFF Championship
Nadhir is part of the first team squad of the Oman national football team. He was selected for the national team for the first time in 2012. He made his first appearance for Oman on 8 December 2012 against Lebanon in the 2012 WAFF Championship. He has made appearances in the 2012 WAFF Championship and the 2014 WAFF Championship and has represented the national team in the 2015 AFC Asian Cup qualification.