Istmo, Oaxaca, Mexico: University teaching position

UNIVERSITY teaching position in the state of OAXACA, MEXICO!!!
Applicants must have a passport from English speaking country, University degree and English teaching cert/diploma.
-5 weeks vacations every year (not including public holidays)
-2 bonusus a year (xmas and summer)
-medical insurance
-Competitive local salary
-Weekends off