"Do you have an updated resume?" --Boss

Today I got an email from my new boss asking if I "had an updated resume". No additional explanation was given. Of course I did have an updated resume because the new boss is... lets just say... less engineer friendly than the old one. Because of this, I'm keeping my options open. It is probably just some HR or performance thing he had to fill out, but it got me thinking.

The Writing on the Wall

So, along with the new boss came the concept of "engineer pools". That is to say all software engineers are now in a pool, and projects can request that X number of generic engineers be allocated to them. Mind you, we are not one uniform mass of java developers. We have low level system programmers, web developers, embedded programmers, native application developers, etc. . The full gambit. I actually heard a senior manager refer to the new system like this, "A program manager might want 1/2 pound Engineer A and 3 pounds engineer B." Like we are some sort of deli meat instead of actual individuals...

So, what's a guy to do?

Well, I replied nearly instantly with a current resume. Not sure if that was the best idea.
On one hand, it puts the fear into them of me being prepared to leave. We have zero depth on our programs currently and the loss of any engineer would be a big hit to schedules and finances. Contrary to the new system, engineers are not all created equal, and they are not instantly interchangeable, and there would be months of ramp-up time involved if any engineer left.
On the other hand I may have flagged myself as "un-engaged" and expendable. I guess time will tell.

Chose Your Own Adventure

What would you all do? I am a broadly experienced engineer with nearly 20 years at the company and many relevant certifications (mostly related to computer security: CISSP, GISF, GXPN, OSCP, OSWP, CHFI, etc.). I love programming and do it even in my free time when I'm not paid to. I have always received very high ratings in my performance reviews, however I feel engineers are being devalued in my company. There is now a concept of engineers being interchangeable or replaceable by X number of fresh hires, and I worry my days are numbered. Did I make the right move or not?

P.S. Is anyone hiring?