Job in biotechnology/Science/Genetics field for Expat

Do biotechnology companies hire Expats with relevant experience and provide work visa? how to know the list of companies that hire Expats? Mostly it is open to locals.  If anyone knows of a job opportunity please comment

To be honest the basic rule of thumb is if you have to ask random strangers on the internet, you are not expert enough to be an expat in most countries! Most expat get jobs vis their network or specialised recruitment agents, that insiders know. Try asking around where you work, contacts etc.

thanks for your reply.  helpful!