[1] He came to Egypt along with his brother Abu'l-Barakat al-Husayn al-Jarjara'i, and held a succession of offices in the Fatimid bureaucracy.
He was convicted of disloyalty when he opened letters of the secret services in 1013, as a result of which his hands were cut off.
However the Caliph al-Hakim soon regretted this harsh punishment, and took him back into the palace and promoted him to high office.
[1] During his tenure, after the pacification of Syria by Anushtakin al-Dizbari, al-Jarjara'i, concerned himself with improving relations with the Byzantine Empire.
The main point of contention was the suzerainty over the Emirate of the Mirdasids in Aleppo, which both powers made claim to.