In HBO’s “Mountainhead,” the “Succession” creator Jesse Armstrong uses subtle status symbols — and a secluded $65 million ski chalet — to convey hierarchy among the 0.001 percent.

When Paul Eskenazi, the location manager for “Mountainhead,” a new film from the “Succession” showrunner Jesse Armstrong, set out to find a house to serve as the primary setting for this satire about a group of ultrarich tech bros, he needed a very specific kind of extravagance. In the same way that “Succession,” which Eskenazi also worked on, reveled in “quiet luxury,” “Mountainhead” needed its moneyed protagonists to be living large but without flamboyance. Its characters are too wealthy for mere McMansions, and not any private residence would do.

Portraying how the ultrawealthy really live — with all their subtle signals and status cues — has become something of a specialty for Armstrong and Eskenazi. It’s about not just private jets and sprawling homes,