Kind of. Many are military. When my coworker (in Iowa) was there in the 80s, he was the only non-military over-winter person there. He worked for the weather service.
Capitalism is the worst type of economic strategy, except for all the others.
"The inherent vice of capitalism is the unequal sharing of blessings; the inherent virtue of socialism is the equal sharing of miseries."
It's great to make decisions about how to spend your income, unless... you have no income.
So they aren't strictly 'paid to live in Antarctica'. They are 'paid to be a soldier and do whatever shit work is their lot'.
But yes I get your meaning. Military is assigned work, they go where they are told.