When considering switching jobs, especially within the same field, make sure you read the fine print of your employment manual. This would include ALL clauses especially those about non-competition and disclosure agreements.
Wikipedia on Non-Competes
Also be sure to understand how your state views non-compete agreements. For example the state of Washington FAVORS the employer, NOT the employee (the state of California favors the employee rather than the employer).
An Example of different states’ views for non-compete agreements
Be sure to look over and read carefully what kind of agreement you are about to sign prior to ANY employement agreement. This can save you many headaches down the road. 
Leave nothing to chance and if you have any questions ask a trusted attorney.
When looking for an attorney I recommend hiring someone specializing in corporate law. They should also have some experience with non-compete agreements and they should be able to tell you exactly what you are about to sign. If your employer values you as a future employee, they will give you time to double check any and all binding documents prior to employement.
Good luck with the continued job search, and ALWAYS keep your eyes peeled for the fine print! ~ Iam
