The aim of the study is to present the concept of the process of qualification to service in State Security Service, which was established on February 1, 2018 in lieu of the Government Protection Bureau. All requirements for candidates participating in the recruitment process to State Security Service are set out by relevant laws and ordinances of the Minister of Interior and Administration. The specificity of tasks carried out by the officers of the State Security Service requires superior physical fitness, high resistance to stressful situations and teamwork skills. The units responsible for recruitment make high demands on candidates in the face of changing security threats for the most important people in the state. Properly conducted recruitment process let the units to select the best candidates for officers who will ensure the highest standards of implementation of protective measures in the country as well as abroad. The article presents the author’s concept of such a process. For this purpose, theoretical research methods were used and documents related to the selection process for the State Security Service were analysed.