Senior R&D Scientist

Job Description

Job Title: Senior R&D Scientist. Location: Geneva, Switzerland

Responsibilities:

• Lead advanced testing strategies for SNSPD devices, with a focus on scalability and high throughput.
• Optimize existing device characterization methods, including potential transition to wafer-level testing.
• Develop and operate optical and cryogenic measurement setups for device characterization.
• Analyze complex datasets to guide device design and process improvements;
• Conduct experiments to understand performance limits and variability across devices and wafers.
• Collaborate with fabrication, packaging, and system teams to ensure testing is compatible with manufacturing processes.
• Document testing methodologies, results, and best practices in a structured and transferable format.

Qualifications:

• Master’s degree in Physics, Engineering, or a closely related field.
• 3+ years of experience in experimental physics or a related field.
• Strong hands-on experimental or engineering background.
• Experience testing and characterizing optical or photonic systems, such as optoelectronic devices or waveguides.
• Strong understanding of measurement science and metrology principles;
• Experience designing or improving experimental setups.
• Strong data analysis skills and ability to extract insights from complex measurements.
• Ability to work independently while collaborating across multidisciplinary teams.
• Fluent English. French is considered a plus.

Preferred:

• PhD or Master’s degree in Physics, Engineering, or a closely related field.
• Strong hands-on experience in optics or photonics experimental work.
• 5+ years of industry experience.

Benefits and Compensation:

• Compensation is based on education, qualifications, experience, office location, market data, and internal equity.
• Comprehensive medical, dental, and vision plans.
• Matching 401(k).
• Unlimited paid time off.
• Paid holidays.
• Parental and adoption leave.
• Legal insurance.
• Home technology stipend.

Other Information:

• The position involves access to technology subject to U.S. export control and government contract restrictions.
• Candidates may need to meet applicable U.S. Person, licensing, or license-exception requirements for access to controlled technology.
• IonQ may ask additional immigration-status questions for export control and compliance purposes;
• Employment is subject to applicable background and risk screening.
• The application includes questions regarding SNSPDs, cryogenic systems, device testing and characterization, and hands-on design and cleanroom nanofabrication of superconducting or nanoscale devices.