After completing his assignments in 1996, he was appointed as cadet battalion commander and chief of Operations and Training branch, Turkish Military Academy from 1996 to 1999.

Avsever was promoted to the rank of brigadier general in 2003 by the Supreme Military Council and then he was appointed as head of the Land Forces for Supply and Maintenance branch where he served from 2003 to 2005.

He also served as a support commander at the General Staff of the Turkish Armed Forces for Communications, Electronics and Information System branch from 2005 to 2007.

[4] In 2007 he was promoted to the rank of major general[5] and was subsequently appointed as the head of Communications, Electronics and Information System branch of the Land Forces where he remained in the office until 2009 when he was appointed as commander of Land Forces School and Training Centre of Communications, Electronics and Information System unit 2011.

After he completed his assignment at the 2nd Corps, he was promoted to the rank of general and was subsequently appointed as a commander of the First Army from 2016 to 2021.