Principal RF IC Design Engineer — Cryogenic CMOS

Quantum Motion, a London-based quantum computing startup, seeks a senior RF IC designer to deliver CMOS RF circuits for deep-cryogenic operation. You will work in a cutting-edge IC design team focusing on RF blocks interfacing with quantum devices and validate designs post-silicon.

Applicants should bring extensive CMOS RF experience, Cadence/SpectreRF expertise, and a strong analytical mindset. The role offers opportunities for growth within a world‑leading silicon quantum program in Central

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