Member of the Federation Council Committee on Rules and Organization of Parliamentary Activities, representative from the legislative (representative) body of state power of the Irkutsk region. Position before election (appointment): Deputy of the Legislative Assembly of the Irkutsk Region of the second convocation, Chairman of the Legislative Assembly of the Irkutsk Region.
Public support for Russian military aggression against Ukraine. Sergey Brilka is included in the report "1500 warmongers" compiled by the Free Russia Forum. The report contains the names of Russian public figures, military commanders, members of the parliament, propagandists, artists and athletes who have publicly spoken out in support of Putin's aggression or are directly involved in it. The Free Russia Forum is seeking sanctions against them in the European Union.