i would say somewhere like a suburb in the southeast i guess. i dont really know what you are looking for. its usually rural, but is somewhat close to a city. also, there are colleges near by so you can go to some of the games if you want too. i dont really recomend the city because i live near nyc and it gets boring after a while.
I think that all depends on what you are aiming to do. If you are looking for weather different from Ireland, then I would say (assuming Ireland is cold and windy- it was where my friend visited) then, California is the place for you. I live in CA, and there are lots of different kinds of people here, and lots of different opportunities. I would recommend staying away from any big cities at night, cauz people can be kinda weird. If you are looking for more of a big industrial company, then I would recommend New York (the city) because there is a LOT there. Hope this helps!!
Washington State.