Dear friend
Any middle east countries not issuing visa to HBV positive person.
http://www.hziegler.com/locations/middle-east/saudi-arabia/articles/visa-process-for-saudi-arabia-for-canadians.html
or
http://www.visaenterprise.com/requirementsNew.php?destination=Saudi-Arabia
From what little I have seen, you would not be allowed to work in arab countries. Don't take my word for it.