Founded in 2020 and based in the heart of Paris C12s 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. Thats why our foundersdeeply rooted in academic and engineering excellencehave chosen carbon nanotubes as the building blocks of our quantum processors. This ultra-pure material dramatically reduces error rates boosts performance and minimizes hardware overheadkey 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.
If youre 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 Thermal Modeling & Cryogenic Systems Engineer (Quantum Hardware) you will play a central role in enabling the next generation of our quantum computers. You will own the thermal architecture and thermal models of complex cryogenic quantum systems that combine a growing number of qubits with increasingly sophisticated cryo-electronics.
Your work will be critical to ensuring system scalability thermal stability and quantum performance.
You will operate at the intersection of cryogenics thermal physics electronics and quantum hardware whilst working closely with quantum physicists and engineers.
Key responsibilities:
Develop and maintain system-level thermal models of quantum hardware systems including qubits wiring passive components and cryo-electronics across all cryogenic stages
Work closely with system engineers and physicists to identify thermal constraints and scaling bottlenecks evaluate architecture options and guide system design decisions.
Own the thermal budget including trade-off analysis of different technological options (qubit architectures wiring schemes cryo-electronics integration levels materials)
Own the thermal performance of cryogenic quantum hardware platforms by defining and executing validation experiments correlating predictions with measurements investigating discrepancies and implementing solutions to inform thermal and system architecture decisions
Design and evaluate thermalization strategies for signals wiring and cryo-electronics including materials and interfaces to minimize heat loads while preserving signal integrity.
Participate in the integration and operation of cryogenic test platforms including instrumentation thermal characterization and investigation of unexpected system behavior
Document thermal assumptions models and design rules to support product development
About you:
You have a Masters or PhD in Mechanical Engineering Physics Cryogenics or a closely related field with at least 3 years of experience in industry
You have a strong background in thermal engineering and cryogenics
You have proven experience building and maintaining thermal models to guide design decisions
You are comfortable working across disciplines with quantum hardware electronics and systems teams
You are hands-on with dilution refrigerators and multi-stage cryogenic platforms
You have demonstrated expertise in thermal modeling and simulation using analytical and numerical methods.
You have experience defining and managing thermal budgets in systems with dense wiring and/or cryo-electronics
You are familiar with RF and DC wiring signal thermalization and heat sinking at cryogenic temperatures
You have experience validating thermal models through experimental measurements and data analysis
You have programming or scripting experience for data analysis and model automation (e.g. Python Matlab)
Prior experience in quantum hardware superconducting systems or other ultra-low-temperature technologies is a strong plus
What we offer:
65000 euros - 78000 euros yearly base salary
Stock options for every employee (BSPCE/ESOP)
Sponsored tripto conferences around the world
A highly dynamicinternational team
Swile meal vouchers
Mental health support with
Training budget/ Annual Learning & Development Allowance
Sabbatical leave (after 2 years in the company)
Vibrant office culture (two office spaces in the heart of Paris team lunches offsite events Friday breakfasts..)
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 team of 80 people 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
We still encourage even if you dont meet all the requirements. Rest assured we are committed to finding the right fit for our team and are open to adjusting compensations based on skills and experiences.
Applications from women are especially welcomed!
We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. 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.
Required Experience:
IC
Founded in 2020 and based in the heart of Paris C12s 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 req...
Founded in 2020 and based in the heart of Paris C12s 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. Thats why our foundersdeeply rooted in academic and engineering excellencehave chosen carbon nanotubes as the building blocks of our quantum processors. This ultra-pure material dramatically reduces error rates boosts performance and minimizes hardware overheadkey 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.
If youre 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 Thermal Modeling & Cryogenic Systems Engineer (Quantum Hardware) you will play a central role in enabling the next generation of our quantum computers. You will own the thermal architecture and thermal models of complex cryogenic quantum systems that combine a growing number of qubits with increasingly sophisticated cryo-electronics.
Your work will be critical to ensuring system scalability thermal stability and quantum performance.
You will operate at the intersection of cryogenics thermal physics electronics and quantum hardware whilst working closely with quantum physicists and engineers.
Key responsibilities:
Develop and maintain system-level thermal models of quantum hardware systems including qubits wiring passive components and cryo-electronics across all cryogenic stages
Work closely with system engineers and physicists to identify thermal constraints and scaling bottlenecks evaluate architecture options and guide system design decisions.
Own the thermal budget including trade-off analysis of different technological options (qubit architectures wiring schemes cryo-electronics integration levels materials)
Own the thermal performance of cryogenic quantum hardware platforms by defining and executing validation experiments correlating predictions with measurements investigating discrepancies and implementing solutions to inform thermal and system architecture decisions
Design and evaluate thermalization strategies for signals wiring and cryo-electronics including materials and interfaces to minimize heat loads while preserving signal integrity.
Participate in the integration and operation of cryogenic test platforms including instrumentation thermal characterization and investigation of unexpected system behavior
Document thermal assumptions models and design rules to support product development
About you:
You have a Masters or PhD in Mechanical Engineering Physics Cryogenics or a closely related field with at least 3 years of experience in industry
You have a strong background in thermal engineering and cryogenics
You have proven experience building and maintaining thermal models to guide design decisions
You are comfortable working across disciplines with quantum hardware electronics and systems teams
You are hands-on with dilution refrigerators and multi-stage cryogenic platforms
You have demonstrated expertise in thermal modeling and simulation using analytical and numerical methods.
You have experience defining and managing thermal budgets in systems with dense wiring and/or cryo-electronics
You are familiar with RF and DC wiring signal thermalization and heat sinking at cryogenic temperatures
You have experience validating thermal models through experimental measurements and data analysis
You have programming or scripting experience for data analysis and model automation (e.g. Python Matlab)
Prior experience in quantum hardware superconducting systems or other ultra-low-temperature technologies is a strong plus
What we offer:
65000 euros - 78000 euros yearly base salary
Stock options for every employee (BSPCE/ESOP)
Sponsored tripto conferences around the world
A highly dynamicinternational team
Swile meal vouchers
Mental health support with
Training budget/ Annual Learning & Development Allowance
Sabbatical leave (after 2 years in the company)
Vibrant office culture (two office spaces in the heart of Paris team lunches offsite events Friday breakfasts..)
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 team of 80 people 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
We still encourage even if you dont meet all the requirements. Rest assured we are committed to finding the right fit for our team and are open to adjusting compensations based on skills and experiences.
Applications from women are especially welcomed!
We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. 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.
Explore C12's innovative quantum technology solutions using carbon nanotubes. Discover how our advancements in quantum computing are shaping the future of technology.
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