[1] From 2002 to 2012 she worked at the Nigerien Embassy in the United States, where she served as first counselor and chargé d'affaires.

The following year, she took over leadership of the Permanent Secretariat of the Rural Code, which supports agricultural producers.

[3] Sidikou was appointed permanent representative of Niger to the United Nations Office at Geneva in 2015.

[1] She has also simultaneously served as Nigerien ambassador to Switzerland, Austria, and Liechtenstein.

[1][4] In 2019, she succeeded the late Hassane Kounou [fr] as Niger's ambassador to Senegal.