Customer Success Engineer - Technical Support

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. Role Overview Role: We are looking for a Customer Success Engineer to join a dynamic, cross functional team dedicated to driving IonQ's mission of delivering exceptional experiences for our customers. In this role, you will be a frontline technical resource for users of IonQ's quantum computers, resolving day to day platform issues, answering technical questions and helping customers get unblocked so they can keep running jobs on our systems. This is a great opportunity to build a career in quantum computing while developing deep, hands on platform expertise. Customer obsession, curiosity and clear communication matter most here, and you should be excited to learn quantum computing fundamentals on the job and to grow into more senior technical customer facing positions over time. Responsibilities: You will respond to customer support tickets and enquiries, troubleshooting job failures and platform issues using standardised workflows and escalating complex cases to senior Customer Success or Applications colleagues where needed. You will also support the onboarding of new users onto IonQ's cloud platform, from account setup and platform walkthroughs to early technical questions. Alongside this, you will help monitor platform and system status, communicating clear and timely updates to customers during incidents or planned maintenance. You will maintain internal and customer facing documentation, pass customer feedback and common pain points to Product, Engineering and senior Customer Success colleagues, and build your knowledge of IonQ's hardware, software and quantum computing fundamentals over time. Key responsibilities include: Frontline technical support: resolve support tickets and troubleshoot job failures and platform issues.