[2] He served as an instructor at the Clerical Training Center in Sokoto, and later became an Administrative Secretary at the Nigerian Institute of International Affairs.
[2] Rimi was elected governor of the old Kano State on the platform of PRP during Second Nigerian Republic, a post he occupied from October 1979 – May 1983.
[10] In 1993, Rimi accepted his appointment as Chairman of the Nigerian Agricultural and Cooperative Bank (NACB) under the General Ibrahim Babangida administration.
[3] During the transition to the Third Nigerian Republic, Rimi was a member of the center-left Social Democratic Party (SDP) and one of the early supporters of the June 12 movement opposed to the annulment of the election of MKO Abiola.
[2] He was appointed Chairman of the Nigerian Security Printing and Minting Company (NSPMC) in the first tenure of Obasanjo as a Civilian President.
[13] In December 2008, he called on the Chairman of the Independent National Electoral Commission, (INEC), Professor Maurice Iwu, to resign from office, citing irregularities in the previous presidential election.
[16] His funeral was held at Farm Center,[17] and was attended by Bauchi State Governor, Isa Yuguda; former Finance Minister, Adamu Ciroma; Mr. Solomon Lar, Prof. Jerry Gana, and Ghali Umar Na'Abba.