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C12 Quantum Electronics

Posted 4 months ago

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Cleanroom Engineer

ParisOn-site

AI Summary

A Cleanroom Engineer operates, maintains, and improves cleanroom equipment and processes to support reliable wafer fabrication for R&D and early production in a startup environment.

About this role

Founded in 2020 and based in the heart of Paris, C12’s mission is to be at the center of one of the biggest technological breakthroughs of the century and change the course of history by building a universal quantum computer.
At C12, we believe that achieving a true breakthrough in quantum computing requires rethinking the fundamentals. That’s why our founders—deeply rooted in academic and engineering excellence—have chosen carbon nanotubes as the building blocks of our quantum processors. This ultra-pure material dramatically reduces error rates, boosts performance, and minimizes hardware overhead—key ingredients for scalable, fault-tolerant quantum computing. By crafting a unique approach that scales, we aim to revolutionize quantum computing just as silicon transformed classical computing.
Since our founding, we’ve raised over €25 million in funding, published 11 scientific papers, and secured 8 patents. Today, our fast-growing team of 80+, including 20 PhDs, has over 26 nationalities represented. We have our own cutting-edge lab spaces in Paris' historic Panthéon district, where scientists, engineers, and innovators work side-by-side to tackle some of the most exciting technical challenges of our time.
If you're passionate about shaping the future of quantum technology and want to make a real impact, C12 offers a unique environment to grow, learn, and innovate.
Your role at C12 Quantum Electronics :
As a Cleanroom Engineer at C12, you will be responsible for the operation, maintenance, and continuous improvement of cleanroom equipment. You will work hands-on with several process systems, ensuring reliable wafer production while maintaining the highest standards of safety, quality, and uptime in a startup environment.
This role is ideal for someone who enjoys technical ownership, problem-solving, and close collaboration with researchers, facilities, and external vendors.

Key Responsibilities:

  • Take technical ownership of several cleanroom tools, including:
    • Regular performance checks, calibration, and preventive maintenance
    Troubleshooting and first-line repairs
  • Operate process tools to support wafer fabrication for R&D and early production
  • Anticipate technical and operational risks; propose and implement mitigation actions
  • Coordinate with equipment manufacturers, service engineers, and vendors for installations, upgrades, and major repairs
  • Anticipate facility-related bottlenecks (utilities, gases, vacuum, HVAC, etc.) and support continuous improvement initiatives
  • Develop, implement, and maintain safety standards, SOPs, and best operational practices
  • Interface efficiently with subcontractors and suppliers to sustain an uninterrupted fabrication process
  • Contribute to cleanroom documentation, tool logs, spare parts management, and maintenance planning

    • Required Qualifications:

  • Bachelor’s or Master’s degree in Engineering, Physics, Materials Science, Micro/Nano-fabrication, or a related field
  • Hands-on experience in a cleanroom environment (academic or industrial)
  • Practical knowledge of some of the following processes or tools:
    • Lithography
    Thin-film deposition (PVD, CVD, ALD)
    Dry etching (RIE, ICP) and/or wet processing
  • Experience with tool maintenance, troubleshooting, and vendor coordination
  • Strong awareness of cleanroom safety and chemical handling
  • Ability to work autonomously, prioritize tasks, and thrive in a startup environment
  • Fluency in English (working proficiency required)

    • What We Offer:

  • €53,000 - €70,000 per year
  • Stock options for every employee (BSPCE/ESOP)
  • Two incredible office spaces in the heart of Paris (both next to the famous Panthéon!)
  • Sponsored trip to conferences around the world
  • Swile meal vouchers
  • Vibrant office culture (team lunches, offsite events, Friday breakfasts..)
  • Mental health support with moka.care
  • Training budgets/ Annual Learning & Development Allowance
  • Sabbatical leave (after 2 years in the company)

    • Skills

    ALDCleanroomCVDDry EtchingICPLithographyPVDRIEThin-film DepositionWet Processing

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