好奇怪啊。我人在湾区。投了monster,找我的都是NYC的financial industry. Silicon valley 没人理我。 My personal opinion, I think their interest aligns with ours. They only get paid if the company extends offer to us and we accept the offers. The ones I talked with seem to understand what CS PhD do. They never recommended me positions for IT. Good luck.
You are talking about the head hunters? Be careful, some of them told me the companies don't like multiple agencies representing the same job hunter (me), so they want me to exclusively work with one agency. I don't know if this is true for the bay area companies. It doesn't hurt to talk to them to get more information and decide whether you want to work with them.