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.
The Role
We are looking for a Fabrication Research Scientist. As a Fabrication Research Scientist, you’ll be part of a cross-functional team whose mission is to lead IonQ on its journey to build the world’s best quantum computers to solve the world’s most complex problems.
In this role, you will design, fabricate, and test optical circuits for optical interfaces to qubits. You will develop integration techniques for combining optical and electronic devices that optimize for system level performance. You will lead efforts to fabricate and test these devices at foundry scale.
Responsibilities
- Work with architecture teams to turn system level specifications into component level specifications and design rules
- Design optical circuits taking into account target performance, fabrication capabilities, and interactions with other components
- Fabricate test devices in a user facility
- Build relationships with external vendors to scale up fabrication and testing
- Partner with internal test and measurement teams to ensure devices meet target specifications
Requirements
- 5 + years of experience fabricating optical or quantum devices
- A PhD in electrical engineering, physics, or a related field
- Experience leading cross disciplinary teams within large projects
Preferred Qualifications
- Experience hiring and training new teams for research and development work
- Knowledge of cryogenic testing and operation
- Familiarity with architectures for distributed quantum computing, sensing, and networking