[3] After graduating from university in 1985, he entered the Ministry of Foreign Affairs serving as the third secretary and attache in the NATO department.

[3] He then served in the Ministry of Foreign Affairs in several NATO related positions until 2000.

[3] From 2004 he was involved with the Ministry of Foreign Affairs assuming the position as its Deputy Director-General of Maritime and Aviation from 2007 to 2009.

On 17 November 2013, Öztürk replaced NATO Deputy Secretary General Hüseyin Diriöz, whose term of office expired in 2013.

On 17 October 2016, he served as the first civilian deputy undersecretary of the Ministry of National Defense until 9 July 2018.