Ngwat-Mahop played in Red Bull Salzburg's opening match for the 2010–11 Bundesliga season, on 17 July 2010, coming in as a substitute in the 57th minute, in what was a 0–0 away draw against SV Kapfenberg. Three days later he once again played as a substitute for Jakob Jantscher, in his team's second leg match, against Faroese champions HB Torshavn for the second Qualifying round of the 2010–11 UEFA Champions League. He scored his first goal of the season in a match for the 1st round of the ÖFB-Cup against St. Pölten II, that Red Bull Salzburg won by 1–4. On 24 August, he made the cross that resulted in Red BullSalzburg's goal, in his team's second leg match for the third Qualifying round of the 2010–11 UEFA Champions League against Hapoel Tel Aviv. Ngwat-Mahop was substituted in the 65th minute of a match that ended a 1–1 draw, resulting in Red Bull Salzburg's elimination. Later it was made known that he was again injured, and due to this he made his come back with Red Bull Salzburg almost three months later, in a 2–0 home win against Sturm Graz. That was meant to be Ngwat-Mahop's last game with the Red Bull Salzburg shirt, as in January he was sold to Greek Superleague outfit Iraklis Thessaloniki for an undisclosed fee.