I am a Software Engineer, but I am more of a generalist than a specialist. I have worked under DOS, Windows and UNIX, I have worked on many kinds of softwares. I can tell you that no knowledge is ever wasted, systems and softwares that seem widely apart have in fact a lot in common. VAX and UNIX are widely related, as I am told (never worked on VAX !), so you should not find getting a new job that much of a problem.
------------------
The world is my oyster !
And now I have the knives to open it ...