I live and work here in South Korea. I am the Global Marketing Manager (yeehaw!) for a company that makes fiber optic telecommunications equipment. Fortunately, I get to travel quite a bit for work.
Korea is a great place to visit and for those so inclined, a great place to work abroad as well. Most foreigners here teach English, though I tend to advise looking for a business job - the pay is higher and the perks are better.
If you're a traveller and heading to these parts, send me e-mail and maybe we can hook up. Conversely, my next destinations are Japan, Singapore, India and Germany - if you're a local, send e-mail and perhaps we can see some sites together.