One can get frequent job offer from recruitment agency once you enter your CV in Indian job sites like Naukri.com or Times job.
One with two to three years job experience are preferred.You get your salary as per your experience in Ministry of Health job..
Usually one has to pay some fees to these agencies who arrange your interview with Saudi delegates.
Always bargain and decide your salary and mention your opening basic salary in your first contract letter that you signed in India so that you would not paid lesser salary & always prefer Govt. Job.