Cryo-CMOS Application Engineering Lead

About IonQ: IonQ, Inc . [NYSE: IONQ] is the world’s leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance . Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before. Location: Oxford, England, UK Working pattern: Hybrid Role: We are looking for a Cryo-CMOS Application Engineering Lead to join our Cryo-CMOS IC team at IonQ Oxford. You will own the path from chip description to proven silicon for the analogue and mixed-signal ASICs in our trapped-ion quantum processors, turning each chip’s specification and design description into a silicon validation plan that our silicon evaluation engineers run their measurements against.