You know, I suggest the craigslist. I look in there for my son all the time. What I like about it is that the people who advertise are not big companies, they are just regular folks who want workers to help. No fluff we are the best company ads, you have to be amazing to apply.
So this is the link to the craigslist in Seattle in the architecture/engineering section
http://seattle.craigslist.org/search/egr
Here are 3 ads to get you started.
http://seattle.craigslist.org/skc/egr/5009187107.html