1) Latin: ex officio
2) Economy: per job
3) Oil: by virtue of her position, by virtue of his position
4) Official expression: by virtue of office, by virtue of office or position, by virtue of position
5) Sakhalin energy glossary: by virtue of her position, by virtue of his position
6) Sakhalin R: by virtue of his (her) position
Универсальный русско-английский словарь. Академик.ру. 2011.