Hajer works in the area of financial management since 2008.

Specialised in finances, Hajer graduated the Institute for Higher Commercial Studies/ Hautes Etudes Commerciales in Tunisia. She undertook the position of Finances and Administration Officer for companies in the private sector. She worked for Consulting Company Group in Tunisia, before joining The International Foundation for Electoral Systems (IFES) where she worked for 4 years. Hajer has a strong experience in financial and administrative management in the NGOs specialized in electoral processes.

At ECES, Hajer is in charge of finances, managing financial flows by carrying out budget monitoring, according to the requirements of each partnership.