http://www.workinhotel.com/
Jobhoreca.ru |
Work in hotels, find hotel jobs and internships | I Work In Hotels

Also, don`t avoid job-listing websites like hh.ru.
Create a resume and update it from time to time - believe me, you`ll get lots of responses.
I`ve seen many hotels have got their permanent pages there. Like Вакансии компании Corinthia Hotel St.Petersburg (Отель «Коринтия Санкт-Петербург») - работа в Санкт-Петербурге etc...