In your position I would be looking for another job the moment I was put on 30 day review, if I hadn't already started. It's easy to find another job when you

In your position I would be looking for another job the moment I was put on 30 day review, if I hadn't already started. It's easy to find another job when you have one. While, given your specialty, I wouldn't expect you to have a lot of trouble even after getting fired, it's still not going to be quite as easy as it will be while you're still in this job. Start tomorrow!