closest Space/Ultratech equiv to the giant power armors used by Marines in Starcraft?

[Anthony]

Originally Posted by Plane

They weren't exactly naked though, so we might handwave this as these scientists all having super-durable armor because they deal with volatile chemicals / high heat / etc.

All the SC1 critters have 60 hp, though they're all fairly large (would have 20-30 hp in GURPS).