Portland has a huge event which was also sponsored by Boeing this year. You can see the website for the event at http://www.oregonengineersweek.org/
They used to combine their awards presentations with an engineer-student banquet. The day starts off with tours at various companies and engineering projects. The banquet itself is held at the Red Lion across the street from Macy's at Lloyd Center. There are exhibits in portions of the event area. These are usually run by engineering programs at the universities, professional recruiters, the engineering societies, software companies, calculator companies, etc. One or more keynote talks are given by engineers of national or international importance.
I attended the event 3 times while I was a high school student. Each year, one of my math or science teachers would approach me and would ask me if I wanted to attend the event. The local equivalent of PSEC would match students up with engineers from the right discipline in the same neighborhood. I was sponsored one year my an engineer at CH2M HIll, another year by an engineer at the Crown Zellerbach paper mill in Camas, and another year by the Army Corps of Engineers. Some of the officers at the Corps of Engineers helped me to be admitted to the U.S. Military Academy, the first engineering school in the country.
This event in Portland was the responsible for my becoming an engineer. The engineering profession showed an interest in me as a person, and the engineers mentored me at a very personal level. I will never forget! The talks and tours were great, too. We heard about the space shuttle long before the first launch. Another talk was about using hydro power generated during off-peak hours to pump water back up the Columbia River to allow more power to be generated during peak demand periods. They also talked about advances in power transmission to reduce line losses. It was great stuff. Eventually, I pursued an education in Wood Science & Technology at Oregon State University--largely as a result of talking with the engineers at Crown Zellerbach.
I strongly believe that holding a similar event in Seattle would be the greatest thing that local engineers could do for students at the point of deciding on a career and university. It would also be the best thing that we could do for the profession. They have been amazing events, and they have been holding them for around 50 years or more.