In Silicon Valley these days, precious few jobs are available for high-tech workers. In the past two years, hundreds of companies have folded, and tens of thousands of employees have been laid off. Many of the job hunters who arrived in the late 1990s for the dot-com rush are gone. I'm a technical writer with more than 20 years of experience, and earlier this year, I was laid off for the second time in two years. As I began reviewing job openings in my field, I started by looking at companies I knew. I found one that was seeking a...