From July 2016 to September 2018, she held the position of Director of the National Center for Educational Quality Enhancement (NCEQE) in Georgia.
In November 2018, she became a member of the International Institute for Education Policy Planning and Management (EPPM) think tank organisation.
Since 2021 Tamar serves as an Assessor for recognition of accreditation programme of World Federation of Medical Education (WFME).
Since June 2020, Ms. Sanikidze has led the World Bank-funded project Innovation, Inclusion and Quality (I2Q) that supports the implementation of the national education system reform agenda.
Sanikidze's tenure as Education Minister came under repeated criticism for the low number of teachers who passed their professional exams.