So Cairo American College, an american embassy school is lower tier? That's news to me. They have seven openings on this website. Oh well, you learn something new every day.

Also:
https://jobs.theguardian.com/jobs/
Teaching Abroad Direct
Global Recruitment Collaborative (mostly middle east)
Edvectus
Teacher Recruitment Int'l (Australian) (fee to join)
Academics International
AASSA (South and Central American position) (fee to join)
Seek Teachers
Teaching Nomad (mostly Far East)

Good luck!!

Post a question on the paid site for members only, we're pretty good about voicing our opinions