Appointed governor of Meknes and the region of Maklata and Fazaz, around 1077-8, he later attended the Battle of Sagrajas where he distinguished himself.

When Yusuf decided to dethrone the kings of Taifas, he appointed Syr Governor of al-Andalus and charged him with all the affairs connected with it.

Seizing Seville in 1091, he was appointed governor of the city, a position he filled for twenty years.

He will extend his governorship on Badajoz in 1094, seize Carmona, Niébla and attend the headquarters of Alédo.

Three years later, going with his wife Hawwa and his daughter Fatima to Marrakech, to present her to 'Ali, he died suddenly around Seville in 1113, leaving the succession to his son Yahya.