So since you've already put this much thought into it we can assume that neither of your jobs could be a take her to work with you situation.
I think that long alone could be very hard on her. Even with a one hour break in the day.
Back in my early twenties I worked 12 hour days, slept 8, 1 hour travel time.
I got a pup, but ended up rehoming him when I realized just how unfair I was being to him when he was stuck being alone 21 hours a day on my work days.
At least your being smarter than I was up front and taking everything into consideration.
Do they have doggy daycare in Dubai? That might be a solution if they do.