In 2013 he was appointed to the position of an advisor in the process of establishing a legislative council and a judiciary by the civic council of Kobanî. Following he held several positions in the Kobanî Canton until 2015. From 2015 and 2017, Mahmoud served as the director of the Semalka border crossing between the Kurdistan Region in Iraq and Syria. In 2017 he was appointed as the speaker of the YPG and in 2020 also as a commander of the headquarters of the Syrian Democratic Forces. As the spokesperson of the YPG and in support of a UN resolution, he stressed that the YPG would hold a ceasefire of 30 days during the Turkish invasion of Afrin in February 2018. In June 2020, he offered an apology to the ENKS for the deaths caused by the forces of the YPG. In 2022, he voiced concern over an eventual Turkish attack onto Northern Syria.