Data Scientist

Switzerland flag Geneva, Switzerland EP-SFT-2025-235-GRAP Ideal start date: 01/02/2026
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Before 06/01/2026 at 23:59 (Geneva Time)

What you'll do

In this role, you will help develop advanced methods to compress deep learning models using low-rank and tensor-network techniques. You will contribute to the pQuant open-source library, working with an interdisciplinary team to make AI models more efficient and scalable, conducting research and development activity as part of a heterogenous team of physicists and computer scientists.

Your responsibilities

  • Research and implement tensor-network methods for compressing neural networks.
  • Explore low-rank approximations and their combination with knowledge-distillation techniques.
  • Test and compare compression approaches on realistic datasets and applications.
  • Contribute to the development, documentation, and maintenance of the pQuant open-source library.

Still here? Let's make a quick check about

Your profile

  • Expertise in deep learning, tensor networks.
  • Experience in model compression techniques (knowledge distillation, pruning, quantization), FPGA programming, or hardware-aware AI deployment is highly desirable.
  • Your studies focused on Mathematics, Physics.

Your skills

  • Advanced knowledge of Linear Algebra.
  • Basic programming skills (Python).
  • Experience with Machine Learning.
  • Spoken and written English or French, with a commitment to learn the basics of the other language.
Ideal start date: 01/02/2026
Contract duration: 24 month contract
Job flexibility: Hybrid
Team supervision

Employment conditions

  • Work during nights, Sundays and official holidays, when required by the needs of the Organization.

Global Benefits at CERN

  • A monthly stipend between 6287-6911 Swiss Francs per month (tax free) depending on your degree.
  • 30 days of paid leave per year plus 2 weeks annual closure.
  • Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
  • Family, child and infant monthly allowances depending on your individual circumstances.
  • A relocation package (installation grant and travel expenses) depending on your individual circumstances.
  • Possibility to extend your contract up to 36 months.
  • On-the-job and formal training including language classes.

Let's get you ready

Be sure to meet the eligibility criteria

  • By the application deadline, you have a master’s degree with 2 to 6 years of professional experience since graduation or a PhD with a maximum of 3 years of professional experience since graduation. You are not eligible with only a bachelor’s degree.
  • You have never had a CERN fellow or graduate contract before.
  • Please pay attention to the additional criteria and requirements for this specific position and mentioned above.

You will need these documents to complete your application

  • Your CV (English or French)
  • Any document you consider relevant to your application
  • A copy of your most relevant diploma or a certificate of achievement from your school (if you don't yet have your paper diploma)

Your CERNDepartment

The EP department conducts research in experimental particle physics and serves as a key reference center for the European physics community, contributing to the education and training of young scientists.

Overview of CERN

Discover a world where the impossible is made possible!


At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.


Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.


If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!


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