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C12 Quantum Electronics Logo C12 Quantum Electronics · Research and Development

Senior quantum computing scientist

France, Paris · Job Posted January 03, 2026
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Job Description

C12 develops reliable & application-specific quantum computers, to solve highly complex computing tasks, currently out of reach of even most powerful supercomputers. You will join to set up the architecture of a five-qubit chip with all-to-all connectivity between spin qubits.

Job Responsibility

  • Set up the architecture of a five-qubit chip with all-to-all connectivity between spin qubits
  • Collaborate closely with other teams
  • Designing the procedures for state preparation, 1 and 2-qubit gates and multi-qubit readout
  • Conducting characterization and benchmarking experiments
  • Supervising several tasks
  • Design of the experiments to improve gate fidelities and test all-to-all connectivity schemes
  • Design and test of microwave circuit layout
  • Specification, maintenance, and installation of RF control bench at room temperature and at cryogenic temperature
  • Automation of qubit calibration and multi-qubit control
  • Sharing expertise and findings with other team members

Requirements

  • PhD in Electrical engineering, Physics, Applied Physics, or other related field (or demonstrated industry experience)
  • Minimum 2+ years of postdoc or R&D work involving microwave electronics and measurements of superconducting or spin qubits
  • Basic understanding of good software development practices, Python language, and version control systems
  • Ability to distil and communicate scientific information effectively with the wider team
  • Good communication in English (verbal and written)

Nice to have

  • Experience with multi qubits electronic circuits is seen as an advantage
  • Demonstrated leadership skills are seen as an advantage
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