Struck by his musical gifts, Benedictine father Anschaire Lamoral gave Kiwele the permanent position of organist at the Sts.
Peter and Paul Cathedral of Élisabethville, and as a maths, sciences and music instructor at the St. Boniface school.
[5][6] Kiwele conducted Lamoral's boys' choir Croix de cuivre (Copper cross).
[11] When Congo gained its independence from Belgium, Kiwele was elected as a provincial MP for the Baudouinville territory, now on a list of CONAKAT, political party of Moïse Tshombe and Godefroid Munongo.
[15] Joseph Kiwele died in Élisabethville on 14 November 1961 of a brain thrombosis, days before the death of his colleague, Secretary of State of Information Lucas Samalenge.