Here are some rules for using the Dirtside II system to recreate battles from Heinlein’s Starship Troopers.
Robert Heinlein
Starship Trooper Rules
Kurt Bowker has written a set of free wargames rules set in the Starship Troopers movie universe. I’m not sure where you would get the miniatures to go with these — perhaps Ground Zero Games has something that could be used.