Why?
You already know academia, but not industry. There is a good chance that you will like working in industry, and after a year or two will think that going back to school would have been a waste of time. And if not, you can always go to grad school later.
Even if you are already set on going to grad school, having worked in industry will give you a much better idea of what really matters to users and applications in the real world and will probably give you good ideas about what direction to take your research.
And on the practical side, you can make more money in an industry job, so you can save up some money, and spend the time in grad school not having to worry about finances.
I see grad school as taking a massive pay-cut over 2-6 years in order to further my education. However, If I can get a similar education while being payed at market value, then there's no competition.
On the other hand, if you feel that your chances of getting into one of the top. tech companies is not that great right now but you can get into a top grad school program, then go for the grad school. You will connect with top companies there.