Cryogenic Photonics Packaging Engineer — R&D & Integration

Quandela; Paris; Hybrid; EUR 85,000 - 110,000; Full time

Benefits offered by this job

Company savings plan

100% health coverage (Alan)

50% transport reimbursement

Meal vouchers (Swile)

Gymlib fitness support

Childcare assistance & referral bonus

Job summary

Quandela is seeking a Photonics Packaging & Cryogenic Integration Engineer to contribute to the development and industrialization of our photonic quantum systems. You will work on integrating single-photon sources, photonic ICs, and optical/electromechanical assemblies with miniaturization and cryogenic operation.

This hands-on role spans design, prototyping, assembly, testing, and tech transfer to manufacturing.

Qualifications

• PhD in a relevant engineering/physics field.
• Hands-on experience building and testing high-precision equipment.
• Experience with photonics, cryogenics, optomechanics.
• Familiarity with optical alignment and fiber coupling.
• Proficiency in CAD and mechanical design.
• Programming for automation in Python, C++, or Rust.
• Experience with multidisciplinary systems combining optics, mechanics, electronics and software.
• Strong problem-solving and quick iteration from concept to prototype.
• Excellent written and spoken English.

Responsibilities

• Design packaging and integration solutions for photonic and quantum devices.
• Integrate single-photon sources and photonic integrated circuits into complete systems.
• Develop optical coupling strategies, including fiber coupling and chip-to-chip integration.
• Design precision positioning and alignment systems, including nano-positioning stages.
• Develop cryogenic experimental setups (2–4 K).
• Contribute to electronics development, including PCB design and instrumentation.
• Automate alignment, test and characterization processes.
• Document designs, experiments and lessons learned, and share knowledge within the team.

Skills

Python

C++

Rust

Automation

English

Education

PhD in relevant field

Tools

KiCad

CAD tools

Job description

Quandela is seeking a Photonics Packaging & Cryogenic Integration Engineer to contribute to the development and industrialization of our photonic quantum systems. You will work on integrating single-photon sources, photonic ICs, and optical/electromechanical assemblies with miniaturization and cryogenic operation.

This hands-on role spans design, prototyping, assembly, testing, and tech transfer to manufacturing.