Quantum Hardware Engineer (Cold Atoms, AMO) for Quantum Networking at Welinq, Paris
Job Description
Welinq is looking for a quantum hardware engineer for its Next-Generation Technology Team in Paris. You will help develop and optimise the company’s quantum hardware, with a strong focus on atomic, molecular and optical (AMO) physics, working with engineers and scientists to design, fabricate and characterise the quantum devices behind Welinq’s industry-grade quantum networking products. The role suits a cold-atom experimentalist who wants to move from academic research into building products.
At a glance
- Role: Quantum Hardware Engineer
- Team: Next-Generation Technology (architecture)
- Location: Paris, France
- Degree: PhD in quantum physics, quantum optics or a related field with an AMO focus
- Apply: open until filled (re-checked 14 October 2026)
What the role covers
- Design and optimise quantum hardware components based on AMO physics, with Welinq’s engineers
- Help fabricate, assemble and test Welinq’s quantum devices
- Run experiments and analyse data on the performance and efficiency of quantum hardware
- Troubleshoot hardware problems and propose improvements to overall system performance
- Follow new research in quantum technology and AMO physics and add it to the team’s knowledge
What Welinq is looking for
- A PhD in quantum physics, quantum optics or a related field, focused on AMO physics
- A strong background in quantum mechanics, quantum optics and atomic physics
- Experience with atom trapping, optical tweezers, single-atom imaging and coherent state preparation in optical traps
- Experience moving atoms and preparing and reconfiguring atomic arrays, and with cold-atom laboratory experiments
- Python, MATLAB or C++ for data analysis, simulation and automation
- Good problem solving, teamwork, clear communication and professional English
Pay and location
Welinq’s posting does not state a salary or a closing date.
How to apply
Apply through the official Welinq job posting. Welinq’s posting does not give a closing date, so the role is open until filled; ResearchJobs.in will re-check this listing on 14 October 2026. Check the posting for location and work-authorisation details before you apply.
See all our quantum technology jobs, or browse more research jobs on ResearchJobs.in.
Hiring institution: Welinq
Official advertisement: www.welinq.fr
How to prepare for this application
- Prepare a short summary of the cold-atom apparatus you know best, and what you would change to make it product-grade.
- Read up on how quantum processors can be linked by photons, and what hardware that needs.
- Show examples of automation you added to an experiment.
- Ask how the Next-Generation Technology Team splits work between research and product engineering.
About Welinq
Welinq is a Paris start-up building quantum networks that link quantum processors (QPUs) inside data centres, based on neutral-atom hardware and qubit–photon interfaces. In 2026 it announced collaborations with Pasqal, OVHcloud and NVIDIA's CUDA-Q platform for networked and distributed quantum computing.
