Aung Soe was appointed commander of Northeastern Regional Military Command with the rank of Brigadier General in September 2012. He held that position and rank to at least 16 November 2012. He was then promoted in rank to Major General by at least 28 May 2013. He continued to command Northeastern Regional Command with the rank of Major General until 10 August 2015. While holding the rank of Major General commanding the Northeastern Regional Military Command there was at least one alleged disappearance, killing, rape or torture committed by unit(s) under his command. He was then promoted in rank to Lieutenant General and appointed commander of 4 Bureau of Special Operations in March 2018 serving in this position with that rank until his retirement in October 2022.