Yuni served as Head of the-stable-of-Seti-I, Charioteer of His Majesty, and Chief of the Medjay before becoming Viceroy during the reign of Seti I.

On a stela from Abydos – now in the Cairo Museum (Jd'E 34620) – the inscription reads: Made by the Superintendent of Deserts in the Southern Foreign country, Viceroy in Nubia (Ta-Sety), Chief of Works in the Estate of Amun, Chief of the Madjayu-militia, Iuny.

(Kitchen)[2]Yuni started the Egyptian building projects at Amara West and Aksha.

[3] Yuny commemorated his work with a rock-cut scene showing himself standing before Ramesses II on the Abu Simbel cliff.

[3] After ten years under Ramesses II, Yuny retired from his post in Nubia.