In 2014, Nguse won the 10000m race at the 2014 African Championships in Athletics held in Marrakech, becoming the first ever Eritrean to win a medal at the continental meet. At the 2014 IAAF Continental Cup, also held in Marrakech, Nguse was part of the Africa team running in the 5000m race alongside Kenyan Isaiah Kiplangat. He won the bronze medal with a time of 13:31.31.