 Nyorai mberi kweiyi ndima - Kutevera kuzvitonga kwePakistan muna 1947, Matinuddin akagadzwa semupfuri mu7th Field Regiment yeRoyal Pakistan Artillery. Akatora rutivi muHondo Yokutanga yeKashmir, vachipfura nzvimbo dzevavengi muBhimber sector. Akadzidza paCanada Army Command uye Staff College muKingston, akapedza kudzidza muna 1957. Mumakore ake makumi matatu nemana achishanda muchiuto, Matinuddin akabata vashandi vakasiyana siyana, kuraira uye kugadzwa zvine chekuita nekutungamira, kusanganisira kutungamira divi rezvikepe uye kutora mutoro wekuronga mashandiro seMutungamiriri Mukuru weJoint Staff. Akapupurira chiito muHondo yechipiri yeKashmir uye Hondo ya1971. Muna 1981, Matinuddin akasiya basa semutungamiri mukuru kubva kuPakistan Army. 