Senior Optical Test Setup Engineer

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 are looking for a Senior Optical Test Setup Engineer to join our Quantum Interconnect Division. As a Senior Optical Test Setup Engineer, 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 be responsible for the design, upgrade, and expansion of the optical testing infrastructure for characterizing on-chip optical devices, utilizing both room-temperature and cryogenic setups. The ideal candidate is someone who is a detail-oriented problem solver with strong teamwork skills.

• →3+ years of professional experience in optical spectroscopy, or an equivalent combination of education and experience.
• →Master or Ph.D. in engineering, physics, or a related field/discipline, or equivalent practical experience.
• →Experience with test instrumentation and methods for room-temperature optical test setups
• →Strong data processing, visualization, and organizational skills.
• →Familiarity with free-space optics and imaging systems.
• →Experience working with laser sources and fiber components.
• →Programming experience in a general-purpose programming language (like Python, Matlab, etc.) for test automation.

• 5+ years of design and characterization experience of classical integrated photonics devices.
• Hands-on experience with cryogenic optical test setups.
• Hands-on experience with characterizing integrated photonics devices.

If you are interested in being a part of our team and mission, we encourage you to apply!