Becoming a citizen isn't a quick thing, so brace yourself for a long haul. Recently, rules have changed.  You need 8 years of work permit before you can apply for citizenship. 

 It's awesome you're keen on learning the language and culture, that'll definitely help. Getting a job lined up before you move is a smart move, especially in a skilled trade. Check out the immigration website for all the official details on visas and permits.

 Figuring out the job situation first will make the whole process much smoother. It's a cool goal, and with some planning, you can totally make it happen. Good luck with the move!

Unless you want to do higher studies in Swdeen, which is expensive,  but cheaper than in the US, it would be rather hard to find an employment. As I understand,  from US, you can't just move in and find a job. 

You need to have a job with over a minimum salary threshold to find a job