Jobs / Switzerland / ionq
Senior R&D Scientist
ionq · 🌍 Geneva
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Sponsor Radar — ionq
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About the role
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. What to expect To support the next phase of growth of its SNSPD platform, IDQ is looking for a Senior R&D Scientist to join its team in Geneva. This role targets a highly motivated PhD-level candidate with a strong background in experimental physics, optics, or engineering, and a drive to rethink and scale testing methodologies for advanced photonic devices. The position focuses on developing and implementing next-generation testing and metrology approaches to enable scalable, reliable, and high-throughput characterization of SNSPD technologies. The successful candidate will work at the intersection of device physics, optical testing, and system-level thinking, in close collaboration with R&D, engineering, and industrialization teams. What you'll be doing • Lead the development of advanced testing strategies for SNSPD devices, with a focus on scalability and throughput. • Rethink and optimize existing characterization methodologies, including possibly the transition toward wafer-level testing approaches. • Develop and operate optical and cryogenic measurement setups for device characterization. • Analyse and interpret complex datasets to guide device design and process improvements while driving experimental investigations to understand performance limits and variability across devices and wafers. • Collaborate closely with fabrication, packaging, and system teams to ensure test compatibility with manufacturing flows. • Document methodologies, results, and best practices in a structured and transferable way. What you'll bring • Master’s degree in Physics, Engineering, or a closely related field. • 3+ years of experience in experimental physics or a related field. • Strong foundation in hands-on experimental work or engineering. • Proven experience testing and characterizing optical or photonic systems (e.g., optoelectronic devices, waveguides, or similar platforms). • Solid understanding of measurement science and metrology principles, with experience designing or improving experimental setups. • Strong data analysis skills, with the ability to extract meaningful insights from complex measurements. • Ability to work autonomously while collaborating effectively across multidisciplinary teams. • Fluent in English, with French considered a plus. You'll be a great fit with • A PhD or Master’s degree in Physics, Engineering, or a closely related field. • A strong hands-on background in optics or photonics experimental work. • 5+ years of experience working in industry. Compensation will vary based on individual factors such as education, qualifications, and experience of the final candidate(s), specific