Attached Link: http://poserworld.com/Downloads/Other.Figures/10473/Labtech.aspx

PoserWorld has a LabTech suit that could do the job in a pinch, but isn't quite what you're looking for. Animotions may still have the old Marvel villain AIM scientist suit which is a little closer, but the helmet's not realistic.

My visual indexes of Poser content are at http://www.sharecg.com/pf/rgagnon