Senior Propulsion Systems Architect

Relativity Space is building rockets to enable today’s missions and tomorrow’s breakthroughs. The Propulsion team develops high-performance, manufacturable engines for Terran R and manages full life cycles from design to flight. This role requires leading engine system trades, coordinating interfaces, and driving tool development within a fast-growing startup environment. You will collaborate across propulsion, manufacturing, software, and avionics, contributing technical depth and ownership