What software is he working in?

He's working in Maya right now.

Yeah, it's quite interesting because a lot of the assets in Star Citizen, for instance the ships, props and environment, are typically made in 3ds Max, but character animations, that's all done in Maya. So for FPS weapons, it makes a lot more sense to be using Maya. You could technically make it all in Max, but it's mostly just that the animators and the rigs all need to be in Maya anyway. So if you can do the art in Maya as well, it just streamlines it. You're not supporting two different source files. It just makes things a lot neater. And yeah, the workflow has been adapted to that.