Tarasios had embarked on a career in the secular administration and had attained the rank of senator, eventually becoming imperial secretary (asekretis) to the Emperor Constantine VI and his mother, the Empress Irene.
Tarasios telah memulai karier dalam pemerintahan sekuler dan telah mencapai pangkat senator, yang akhirnya menjadi sekretaris kekaisaran (asekretis) kepada Kaisar Konstantinus VI dan ibundanya, Ratu Irene.