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Sobre este puesto de Test and Characterization Engineer H/F en Alice Bob

Alice Bob · Presencial · Aubervilliers
Alice & Bob is developing the first universal, fault-tolerant quantum computer to solve the world’s hardest problems.
The quantum computer we envision building is based on a new kind of superconducting qubit: the Schrödinger cat qubit 🐈‍⬛. In comparison to other superconducting platforms, cat qubits have the astonishing ability to implement quantum error correction autonomously!
 
We're a diverse team of 250+ brilliant minds from over 35 countries united by a single goal: to revolutionise computing with a practical fault-tolerant quantum machine. Are you ready to take on unprecedented challenges and contribute to revolutionising technology? Join us, and let's shape the future of quantum computing together!

Alice&Bob is developing a quantum computer based on cat qubits. While initially running nanofabrication processes in academic cleanrooms, Alice&Bob now has its own prototyping cleanroom in Ile de France. This facility will allow to:

  • Speed up the design iteration cycle, by reducing the leadtime of chip fabrication
  • Improve the capability of Alice&Bob nanofabrication processes (improving performance and mastering 3D integration)

As part of the Quantum Hardware department, the “Nanofabrication Backend” team will play a pivotal role in operating and developing the “backend of line” used for manufacturing Alice&Bob Quantum Processor. Technically, this encompasses:

  • Room temperature electrical testing
  • Dicing
  • Optical inspection
  • Wirebonding of chips inside sample holders

The team is in charge of:

  • operating the tools for the regular delivery of test chips
  • developing/improving new processes (for better quality/leadtime/chip selection…)
  • overseeing its own tools (daily check of the tools, ensuring maintenance schedules are followed, 1 level of troubleshooting)
  • selection, installation and qualification of new tools

Responsabilities

About the Role

As a Test & Characterization Engineer within the Nanofabrication Backend Team, you will play a critical role in validating our fabrication processes, ensuring data reliability, and developing innovative testing methodologies for superconducting qubits. You will contribute to improving wafer and chip performance through rigorous device testing, robust metrology, and collaborative problem-solving across teams. 
  • Develop and optimize superconducting qubit testing methods at room and cryogenic temperatures, providing fast feedback to nanofabrication processes and ensuring efficient sorting of chips.
  • Collaborate with design and process integration teams to define and evaluate test structures that improve wafer- and chip-level performance.
  • Ensure accuracy and reliability of equipment metrology, data acquisition systems and inspection equipment.
  • Contribute to the identification, procurement, and validation of new test and metrology equipment for the backend nanofabrication line.
  • Implement continuous improvement plans to enhance testing efficiency, reliability, and throughput.
  • Perform device testing at room and cryogenic temperatures, ensuring accurate and reproducible results.
  • Participate in failure analysis and root cause investigations, helping to close the loop between design, fabrication, and performance.
  • Requirements

  • Master’s degree or Ph.D. in Physics, Electrical Engineering, Materials Science, or a related field.
  • 3+ years of hands-on experience with device testing, electrical measurements, or semiconductor/metrology equipment.
  • Familiarity with superconducting devices or cryogenic measurements is a strong plus.
  • Proficiency with data acquisition systems, lab instrumentation, and analysis tools (e.g., LabVIEW, Python, MATLAB, JMP).
  • Strong problem-solving mindset, analytical rigor, and attention to detail.
  • Ability to work collaboratively in a fast-paced, cross-disciplinary environment.
  • Languages: Proficient in English; French is a plus
  • Localization of the position:

  • In Aubervilliers

  • Benefits:
     
    - Our success is your success: own it with our BSPCE plan
    - Direct IP Compensation: Earn substantial bonuses for driving the core patents that define our quantum architecture.
    - A Parental plan including additional benefits such as crèche support or additional days-off to take care of under 12 years old children
    - Subsidized membership with Urban Sports Club
    - Mental health support with moka.care
    - 25-day vacation policy (as per French law) + RTT
    - Half of transportation cost coverage (as per French law), or yearly allowance for the die-hard bicycle users
    - Competitive health coverage, with Alan.
    - Meal vouchers with Swile, as well as access to a fully equipped and regularly stocked kitchen
    - French language courses covered by the company for those interested
     
     
    Research shows that women might feel hesitant to apply for this job if they don't match 100% of the job requirements listed. This list is a guide, and we'd love to receive your application even if you think you're only a partial match. We are looking to build teams that innovate, not just tick boxes on a job spec.
     
    You will join of one of the most innovative startups in France at an early stage, to be part of a passionate and friendly team on its mission to build the first universal quantum computer!
     
    We love to share and learn from one another, so you will be certain to innovate, develop new ideas, and have the space to grow.
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