Kammala jumla mai zuwa: Maung Maung ya yi aiki a matsayin doka a cikin gwamnatin kula da Janar Ne Win daga 1958 zuwa 1960. Biyo Bayan Ne Win
1962 juyin mulkin soja, Maung Maung ya zama Babban Alkali kuma, duk da cewa farar hula ne, sanannen memba ne na kwamitin tsakiya na BSPP. Ya taka muhimmiyar rawa wajen tsara kundin tsarin mulkin 1974 da canje-canje na gaba ga tsarin shari'a. A ranar 19 ga Agusta, 1988, a cikin jerin manyan zanga-zangar, Majalisar Jama'a ta ayyana Maung Maung a matsayin Shugaban kasa da Shugaban BSPP. Zanga-zangar adawa da gwamnati ta ci gaba kuma rikice-rikice da yawa sun haifar da wani juyin mulkin soja wanda Saw Maung ya jagoranta a ranar 18 ga Satumba, 1988. Bayan takaitaccen lokacin da ya yi a karagar mulki a shekarar 1988, Maung Maung ya ɓace daga idanun jama'a, kodayake an yi jita-jita cewa ya taimaka wajen tsara dokar zaɓe da ke kula da babban zaɓe na 1990. Ya kuma yi aiki a wurare daban-daban a cikin gwamnatocin da suka biyo baya na Myanmar a matsayin Babban Lauya, Babban Alkali da sauran mukamai.