Jozef graduated from the Faculty of Law at Palacký University in Olomouc, where he studied the theoretical foundations of public procurement. The topics of his thesis were the principles of public procurement and policy issues. After a short career in advocacy, he started work as a public procurement specialist at the rail freight company Cargo Slovakia, where he worked as head of the strategic purchasing and public procurement team. Currently he works at the Ministry of the Interior of the Slovak Republic.