A beaker full of death wrote:
And someone needs to mention (so I will) that Spock is not the first XO we've seen to have another job. Pike's XO manned the helm.
Number One was at the helm and definitely first officer, too.
The argument could be made that Tyler was the ship's helmsman, based upon what he was doing and regardless of where his console was located, and Number One's console was that of "operations."
What Number One had in front of her was basically a version of Data's console.