Senior Detector Test Engineer

The company seeks a Senior Detector Test Engineer in Geneva to test and characterise SNSPD devices, analyse data, and optimise test setups in a hybrid role.

This hands-on position centres on the testing, characterisation, and data analysis of SNSPD devices. The role requires close collaboration with R&D, industrialisation, and production teams to ensure test methodologies are robust, scalable, and directly support device development and decision-making.

Responsibilities

• Conduct measurements on a large volume of devices to evaluate yield, variability, and compliance.
• Operate and continuously improve cryogenic, optical, and electronic test setups.
• Analyse complex measurement data to identify trends, performance limits, and root causes of variability.
• Develop and refine data analysis workflows and reporting tools.
• Lead device testing, measurement, and setup optimisation.
• Drive data analysis, workflow development, and cross-team collaboration to improve device performance, processes, and overall data quality standards.

Requirements

• Bachelor’s or Master’s degree in Physics, Engineering, or a related technical field.
• At least five years of hands-on laboratory experience focused on testing and measurement.
• Strong data analysis capabilities using tools such as Python, MATLAB, or similar.
• Solid foundation in optics, photonics, or metrology.
• Fluency in English.

Nice to have

• Experience in an industrial environment.
• French language skills.

What the company offers

• Competitive compensation scheme, benefits package and equity plan.
• Flexible work models.
• Ongoing training and development.
• Career development plan within the IonQ group’s companies.
• Dynamic, close-knit environment collaborating with a global team of experts.
• Performance-driven culture built on trust, teamwork, and shared ambition.

About the company

Id Quantique is a global leader in quantum-safe communications and quantum detection systems. The company provides solutions to protect governments, telecommunication infrastructures, and banking & financial institutions from the “harvest-now, decrypt-later” threat. It pushes the limits of single-photon detection, powering breakthroughs in quantum communication, sensing, computing, and ultra-sensitive imaging.

• Dynamic, close-knit environment collaborating with a global team of experts.
• Performance-driven culture built on trust, teamwork, and shared ambition.