Senior Optical Systems Engineer - Quantum Photonics

Entangled Future; Massy; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Quandela in Massy (Île-de-France) seeks a Senior Optical Systems Engineer to own a major optical development work package within our next‑generation QPU programme. You will maximise optical transmission and system performance, from experimental characterisation to qualification and integration.

This hands‑on role combines ~80% lab work with 20% technical coordination, and offers opportunities to mentor engineers and collaborate with optics, electronics and systems teams across the company.

Qualifications

• Optimise research-developed optical subsystems for QPU integration.
• Define experimental tests, performance targets and qualification procedures.
• Collaborate with optics, electronics and system integration teams.
• Experience mentoring engineers or researchers.

Responsibilities

• Design, assemble, align and operate complex optical setups.
• Characterise optical transmission, identify losses and improve efficiency.
• Define measurement methods and improve stability and reproducibility.
• Troubleshoot experimental challenges and implement reliable solutions.
• Own technical deliverables within a major optical development project.
• Coordinate experimental activities across engineers and scientists.
• Plan tasks, milestones, equipment and laboratory resources.
• Anticipate technical risks, resolve blockers and guide contributors.

Skills

Optical design

Experimental methods

System integration

Mentoring

Job description

Quandela in Massy (Île-de-France) seeks a Senior Optical Systems Engineer to own a major optical development work package within our next‑generation QPU programme. You will maximise optical transmission and system performance, from experimental characterisation to qualification and integration.

This hands‑on role combines ~80% lab work with 20% technical coordination, and offers opportunities to mentor engineers and collaborate with optics, electronics and systems teams across the company.