Matej Šalmík works at the National Security Office as the Director of the Accreditation and Certification Section, which deals mainly with the certification of technical means, certification in the field of cybersecurity and other activities related to accreditation, certification and cryptographic protection of information. Previously, he worked at the National Cybersecurity Center of the National Security Practitioner's Office, where he was involved in process management and, threat and risk analysis, cybersecurity education and awareness, and strategic issues.