Senior Quantum Physicist

About the role

<div class="content-intro"><p><strong>About IonQ:&nbsp;</strong><strong><br></strong></p> <p><u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2F&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=IonQ%2C+Inc&amp;index=7&amp;md5=0818ffbedc6dbad8c4d1611ac94c2a0f" target="_blank">IonQ, Inc</a></u>. [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 <u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2Fnews%2Fionq-speeds-quantum-accelerated-drug-development-application-with&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=Amazon+Web+Services%2C&amp;index=8&amp;md5=a7f94ee9b71a392dca3cd6c413722e51" target="_blank">Amazon Web Services, </a></u><u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2Fnews%2Fionq-speeds-quantum-accelerated-drug-development-application-with&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=and&amp;index=9&amp;md5=2bed627b388878763f41ffe0e4edb16c" target="_blank">and </a></u><u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2Fnews%2Fionq-speeds-quantum-accelerated-drug-development-application-with&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=AstraZeneca&amp;index=10&amp;md5=757c1f2c2ec94cf3982700106122164f" target="_blank">AstraZeneca</a></u> 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, <u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2Fnews%2Fionq-achieves-landmark-result-setting-new-world-record-in-quantum-computing&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=setting+a+world+record+in+quantum+computing+performance&amp;index=11&amp;md5=32e9cb88afbd439026a352666cc72c91" target="_blank">setting a world record in quantum computing performance</a></u>.<br><br>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. &nbsp;</p></div><p>&nbsp;</p> <p><strong>Location:</strong> This role is based at our Oxford, UK office with the option to work a few days a week remotely.<br><strong>Travel:</strong>&nbsp;Up to 5%<strong><br>Job ID:</strong>&nbsp;1777</p> <p><strong>The Role: </strong></p> <p>We are pioneering advancements in quantum computing by utilizing trapped ion technology and our proprietary laser-free quantum control methods. Our research and development efforts build on our fully integrated quantum processors that can be fabricated within standard silicon foundries. This unique approach allows us to leverage the highest-performing qubit technology while ensuring scalability and manufacturability using existing semiconductor fabrication technology. We approach quantum computing with a focus on minimizing errors, striving to achieve ultra-low gate errors at scale. Our immediate objective is to develop functional quantum computers within the NISQ regime, aiming to construct fault-tolerant machines that require minimal QEC overhead. Our recent breakthroughs include achieving 99.97% fidelity in two-qubit gates and 99.9992% fidelity in s

Skills