Senior Physicist - Resilience Engineering & Operations

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. We’re looking for a Senior Physicist for our bleeding edge quantum computers that are based on trapped ion technology. You’ll be part of a cross-functional team whose mission is to operate and improve IonQ’s industry-leading quantum computers. In the first three months on the job, you’d be learning how to maintain our quantum computers’ hardware and software. Recent graduates in physics and related fields are encouraged to apply; we will train you in quantum computer maintenance and operation! Responsibilities: Participate in follow-the-sun on-call rotations to keep our systems running at peak performance. Ensure high uptime and performance of our commercial quantum computers, through alert response, monitoring, and engineering of state-of-the-art quantum computers. Work collaboratively with other System Operators on improvements and processes and practices to make operating quantum systems easier and more efficient. Communicate with customers to coordinate access and inform on system status. Remotely interfacing with quantum systems to impact performance using documented procedures. Interpreting telemetry to aid in deeper understanding of quantum system status. Clearly communicating with teams working across multiple timezones. Requirements: PhD degree in physics, engineering, or another physical science Desire and capability to work closely on a team that is distributed - excellent communication skills and a collaborative mindset