In the years 2002-2004, he worked as the editor of the foreign affairs department in Denník SME. Since 2004, he has been working at the Ministry of Defense of the Slovak Republic in various positions: in the years 2004-2005 as chief state adviser and researcher at the Institute of Security and Defense Policy, in the years 2006-2010 as general state adviser at the section of defense policy, international relations and legislation, later, in the years 2010-2011, as Director General of the Department of Defense Inspection Inspection Section and in 2012 as Director General of the Defense Policy, International Relations and Legislation Section.

In the years 2016 and 2020, he was the director of the Office of the State Secretary, and from 2020 until now he has been working as the State Secretary of the Ministry of Defense of the Slovak Republic.

In addition, he worked as a researcher, director of the defense policy program at the Center for European and North Atlantic Relations (CENAA), director of the security and defense policy program at the Central European Policy Institute (CEPI) and director of the Slovak Institute for Security Policy.