No kidding...
It's funny... I've been interviewing for contracts and the only places I can hope for a placement are linux/unix houses.
No one else understands what comes out of my mouth. It's like basic networking vocabulary has been replaced by vendor-speak.
Me: Have you run a port scan?
Them: What's a port scan?
Me: You know- test for responding ports?
Them: We use (name pre-packaged security suite)
Me: What if it's wrong?
Them: We don't have anyone who can do it manually
Me (looks at the 100 certifications on the wall)