Detector Test Technician - SNSPD Technologies

ID Quantique (IDQ) as part of IONQ, is a global leader in quantum-safe communications and quantum detection systems. We provide solutions to protect governments, telecommunication infrastructures, and banking & financial institutions from the “harvest-now, decrypt-later” threat, delivering both terrestrial and space-based quantum-safe networks in live operation globally. Our Quantum Detection Systems push the limits of single-photon detection, powering breakthroughs in quantum communication, sensing, computing, and ultra-sensitive imaging in partnership with top researchers and tech innovators worldwide.

What to expect

ID Quantique (IDQ), an IONQ company, develops, manufactures, and delivers state-of-the-art quantum cryptography systems and advanced single-photon detection technologies. Our solutions are trusted by financial institutions, enterprises, and government organisations worldwide. As a global leader in Superconducting Nanowire Single-Photon Detectors (SNSPDs), we enable the scaling of next-generation quantum technologies.

IDQ is looking for a Detector Test Technician to join its SNSPD team in Geneva. This is a hands-on position focused on testing and characterizing SNSPD devices. The role is well suited for a rigorous and motivated candidate who enjoys experimental work, precise measurements, and contributing to product quality and scalability. The position involves close interaction with R&D, industrialization, and production teams to ensure that test results are reliable, well documented, and directly usable for device improvement and production decisions.

What you'll be doing

• Test and characterize SNSPD devices according to defined procedures and performance specifications.
• Perform measurements on a large number of devices to assess yield and compliance with specifications.
• Operate, monitor, and maintain cryogenic, optical, and electronic test setups.
• Support metrology activities, including optimization and scaling of measurement setups.
• Record, analyze, and report test data in a clear and structured manner.
• Work closely with R&D, industrialization, and production teams to ensure timely feedback and alignment.
• Contribute to continuous improvement of measurement procedures, test infrastructure, and device handling.

You'll be a great fit with

• A Technical degree (CFC, HES, Bachelor’s, or equivalent) in Physics, Engineering, or a related technical field.
• Hands-on experience in a laboratory or industrial environment is essential.
• Experience in optics or metrology is a strong plus.
• Strong interest in experimental work, measurements, and hardware-oriented problem solving.
• Rigorous, reliable, and detail-oriented, with a proactive mindset for improving processes and setups. 
• Strong collaboration and communication skills, with the ability to work effectively across teams
• Fluency in both English and French.

Benefits

• A role at one of the fastest growing and most exciting Quantum companies in the world.
• A competitive compensation scheme, benefits package and equity plan. All designed to reward excellence.
• Flexible work models that let you balance your life, your family, and your career.
• Ongoing training and development to keep your skills sharp and your growth on track.
• A career development plan within the IonQ group’s companies
• A dynamic, close-knit environment where you collaborate with a global team of experts.