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C12qe

Finance Manager

C12qe Paris 10 days ago
finance
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 minimises hardware overhead—key ingredients for scalable, fault-tolerant quantum computing. By crafting a unique approach that scales, we aim to revolutionise 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 60, including 20 PhDs, has over 20 nationalities represented. We have our own cutting-edge lab space 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.

Your role at C12 Quantum Electronics

  • Reporting to the Head of Operations (Comex member), you will lead the Finance & Admin function of a fast-scaling quantum startup. Your role is to secure and extend the runway, prepare and support the private and public funding efforts, strengthen financial planning & internal steering, and build a scalable finance stack. You will be responsible for overseeing all aspects of Finance, including FP&A, cash management, reporting, tools, financing, and compliance. In this role, you will serve as a vital business partner to the Executive Committee, scientific and tech teams, and the CEO in support of our fundraising initiatives.Additionally, you will manage our Financial Controller, who will handle reporting, FP&A support, tools, and public funding deliverables. Your responsibilities will include:

    • Strategic finance & planning
  • Leading budgeting, forecasting, and variance analysis
  • Building multi-scenario financial models and support capital allocation decisions
  • Building business plans for investors and fundraising rounds

    • Private and public funding
  • Participating in fundraising processes (roadshow preparation and support, dataroom preparation, due diligence, closing)
  • Preparing financial packages for grants, banks, or debt providers
  • Modelling and monitoring financial returns from treasury placements
  • Supporting scientific and business teams on R&D or commercial grant reporting

    • Cash management & internal control
  • Owning short- and long-term cash planning and treasury management
  • Ensuring accurate, timely tracking of revenue progress and customer invoicing
  • Strengthening spending discipline and budget follow-up with teams

    • Reporting & audit readiness
  • Supervising the production of the monthly internal reporting for the leadership team
  • Supervising the preparation of external reporting for investors, banks, and public funders
  • Coordinating and overseeing monthly and annual closing with our accounting firm and external auditor
  • Ensuring audit-ready documentation for public funding programs (CIR, grants)

    • Tools, processes & data
  • Transitioning the Finance function from Excel-centric workflows to a more automated tool stack
  • Leading improvements and integrations across Spendesk, Agicap, Pennylane and other tools
  • Establishing clear processes, documentation, and sources of truth for financial data

    • Legal & administrative support
  • Contributing to basic legal and administrative topics (contracts, documentation) as needed in a fast-growing company, including tools & processes

    • About you:

  • 6+ years experience in FP&A, strategic finance, audit, transaction services, or Finance leadership in a tech or deep-tech scale up
  • Strong ability to run efficient financial processes in a fast-growing environment
  • Strong mastery of Excel / Google Sheets and FP&A tooling culture, previous experience with our tools (Agicap, Pennylane) is a plus
  • Ability to work with both scientific teams (R&D, physics, engineering), business leadership and external financing stakeholders (investors, banks, public institutions)
  • Rigorous, structured, hands-on and curious
  • Good communication in English and French (verbal and written) is essential
  • Experience working with public funding instruments (CIR, Grants reports “ERDA”) and private investors (VC / Venture Debt) is a plus
  • Experience with management is a plus
    • You should join us if...

    You like hands-on work and technology
    You want to contribute to achieving landmark results in quantum computing, making a difference in the emerging quantum technologies
    You want to work within a 60-people team with various backgrounds in nanofabrication, quantum electronics, and carbon nanotube science to create a revolutionary quantum computing processor
    You want to thrive in an exceptional scientific environment with several industrial and academic partners
    You share our values (excellence, scientific integrity, diversity, curiosity, and care) and want to help us define our product-focused culture and ambition to accelerate.

    C12 encourages all who feel qualified to apply. Recruitment decisions are based solely on qualifications, skills, knowledge and experience. Applications from women are particularly welcomed.

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