[4] From 1996 to 2000, Nsambu served as the officer-in-charge and coordinator for the Exchange Students’ Program of the European Union at the Technical University of Braunschweig in Germany.
[4][2] In 2013, he contested for MP Bukoto South Constituency in Lwengo District where he narrowly lost to the former Democratic Party secretary the Late Matia Nsubuga Birekerawo.
While still a minister, Nsambu is believed to have refused to take a bribe from Kayihura to award an ID production project to his company associates in France.
Immediately after the elections, President Museveni named Alintuma Nsambu Uganda's Ambassador to Canada, Cuba and the Bahamas.
In 2016, President Museveni posted Nsambu to Algiers as Uganda's Ambassador to the Maghreb region (Tunisia, Morocco, Mauritania, Algeria).