Principal Infrastructure Engineer, AI Cluster Performance & Validation is open at Nscale in Houston; New York; San Francisco; Seattle. The posting gives no salary; similar roles in the United States advertise a median of $228K. Posted on Sep 3, 2026, and still on Nscale’s careers page when we last checked, on Nov 15, 2026.
About the role
Own the technical definition of "healthy at scale." Set the architecture, roadmap, and acceptance criteria by which multi-thousand-GPU clusters are declared production-ready, and establish the performance bar (collective bandwidth, job goodput, model FLOPs utilization) that every cluster must clear before and after customer handover. Establish technology and product direction in collaboration with other tech leads…
The opening lines of the posting. The rest is on Nscale’s careers page.
Hiring at Nscale
Nscale has 278 open roles right now. Most are in Engineering, Operations and Compliance & Legal. The median advertised salary across its roles with a published range is $195K. See all its roles
