[1] Immediately prior to his appointment to his current cabinet position, he served as Deputy Minister of the combined energy and minerals ministry, which was split into two, with Angellah Kairuki, assuming the mining docket.

[2] His first job was as a Legal Manager with the United Nations High Commissioner for Refugees/International Rescue Committee, working in that capacity from 1997 until 1998.

From 2007 until 2013, Kalemani served as the General Counsel of the Millenium Challenge Account in Tanzania.

In 2013, he transferred back to the energy and minerals ministry, as the Director of the Legal Services Department, serving in that capacity until 2015.

[2] In 2015, he was elected to the Tanzanian parliament to represent the Chato Constituency in the Geita Region of the country.