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Research Engineer in Low Temperature Electronics

France, Paris · Job Posted February 04, 2026
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Job Description

As part of the CNT engineering team at C12, you will help develop and operate our cryogenic instruments in order to electrically characterize our ultra-pure carbon nanotube-based devices both via DC electrical transport and RF spectroscopy.

Job Responsibility

  • Operation and continuous improvement of the cryogenics setups
  • Install and set up new cryogenic instruments (cryostats, probe stations), from commissioning to wiring
  • Select the best electronic instruments to further increase our measurement bandwidth and enhance our device characterization feedback at low temperature
  • Write python scripts for automated high pace procedures
  • Write data analysis scripts to interpret our measurements and extract relevant metrics
  • Work with the software team to improve our proprietary measurement software and our internal database

Requirements

  • Engineering diploma or Master’s degree in Electrical Engineering, Physics, Applied Physics or other related field
  • past work experience or a PhD is also appreciated
  • You love both programming (in python) and experimental lab work
  • You have some experience in hardware and experimental setup design and fabrication
  • You like collecting, organising and analysing your data
  • You are detail-oriented and organized in your work and documentation style
  • You are diligent, autonomous, result-oriented and have a problem-solving attitude
  • Very good communication in English (verbal and written) is essential

Nice to have

  • Experience with low temperature electronics and transport measurements
  • Experience in carbon-based devices
  • Experience in materials characterization techniques (SEM, TEM, AFM)
  • Experience in RF measurements

What we offer

  • 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
  • A highly dynamic international team
  • 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)

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