Senior Staff Analog Mixed-Signal Design and Modelling Engineer

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: This role is based at our Oxford, England (UK) office, with the option to work a few days a week remotely. Travel: Up to 5% Job ID: 1765 Role: We are looking for a Staff Analog Mixed-Signal Design and Verification Engineer to join our Cryo-CMOS IC team at IonQ Oxford. In this role, you will design analog and mixed-signal blocks from specification through circuit design, simulation, layout, tape-out and silicon validation.