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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. 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
- Reporting directly to Eileen, our HR Manager, you will be instrumental in creating a smooth employee experience for both current and future team members. You will contribute to the development of scalable HR practices tailored to our distinctive environment, resulting in improved employee satisfaction and overall organisational efficiency.
- Supporting the HR team with day-to-day operational routines such as organising interviews, onsite visits and other administrative tasks
- Coordinating with the various functions to ensure a smooth onboarding of future teammates
- Maintaining accurate employee data in our HRIS (BambooHR) and other internal tools
- Providing operational support to all our employees
- Collaborating with the HR team and team leaders to handle training requests and obtain quotes from external training providers
- Helping to build new HR processes and projects for C12 if you are motivated and exceed expectations - new ideas are always welcome!
Your tasks will include:
This role (and the HR team) may evolve with the company's growth - there will be room for career evolution if you are motivated and high-performing.
About you:
- You have a master’s degree or a specialisation in HR
- You are looking for an end-of-study internship (ideally 5 - 6 months)
- You have great communication skills in English (written and spoken), French is a plus
- You are fluent in English (written and spoken); French is a plus
- You are organised, detail-oriented and are able to manage various tasks according to business’ priorities, and in a fast-paced environment
- You have strong interpersonal and communication skills
What we offer:
- Two incredible office spaces in the heart of Paris (both next to the famous Panthéon!)
- A highly dynamic international team
- Swile meal vouchersVibrant office culture (team lunches, offsite events, Friday breakfasts..)
- Mental health support with moka.care
- Training budgets/ Annual Learning & Development Allowance
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.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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