[2] Rahim served as a representative of Jamiat-i-Islami in Pakistan, primarily involved in efforts to provide humanitarian, educational, and political relief for Afghan refugees as a result of the Soviet Invasion of Afghanistan.
Under the Afghan Interim Administration, the first post-Taliban government in 2016, Rahim was part of the three-member Jamiat-i-Islami's delegation to the Second Bonn Meeting and appointed as the Afghanistan Minister of Communication and Post.
[4] During his leadership in the Ministry, Rahim focused on uniform phone charges, and ensuring compliance to regulation by private telephone companies.
Most notably, he led the ministry to support the launch of Afghan Wireless Communications, a joint venture between the government and Afghan-American businessman Ehsan Bayat.
He worked as the acting minister, bringing attention to the plight of both internally displaced persons and treatment of Afghan refugees in neighboring countries and the west.