Junior Automation & Controls Engineer

Switzerland flag Geneva, Switzerland SY-EPC-CCS-2026-254-GRAE Ideal start date: 01/03/2027
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Before 01/12/2026 at 23:59 (Geneva Time)

What you'll do

Join us and contribute to the development and commissioning of industrial control systems for CERN’s largest power installations. You will have the opportunity to work with cutting-edge automation technologies and modern software engineering tools.

Your responsibilities

  • Design, develop, and commission large-scale, distributed control systems based on Siemens S7-1500 PLCs and CERN's UNICOS-CPC framework.
  • Develop Python-based test scripts for model-based validation of control systems on a real-time Hardware-in-the-Loop (HIL) platform.
  • Contribute to the development and maintenance of our CI/CD pipelines and automated testing framework.
  • Contribute to the adoption and integration of AI tools into the team's engineering and software development workflows.

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Your profile

  • Practical experience in developing and testing Siemens S7-1500 PLC-based control systems.
  • Knowledge of automation technologies (e.g. SCADA, fieldbuses, etc.).
  • Initial experience with Python programming.
  • Knowledge of Git, Gitlab and CI/CD practices.

Your skills

  • Strong problem-solving and technical communication skills.
  • Siemens S7-1500 PLCs and TIA Portal.
  • Python.
  • Git, Gitlab, CI/CD.
Ideal start date: 01/03/2027
Contract duration (in months): 24
Job flexibility: Hybrid

Global Benefits at CERN

  • A monthly net stipend of either 5266 or 5793 Swiss Francs per month 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

  • You are a national of a CERN Member State or Associate Member State. Currently, we cannot consider applications from Pakistani, Lithuanian, Latvian, Cypriot, Croatian and Turkish nationals, as the ceiling defined under Article II.5 of the Associate Membership Agreement has been reached.
  • By the application deadline, you have a maximum of 2 years of professional experience since graduation in the respective field and your highest educational qualification is either a bachelor’s or master’s degree. You must have a university degree and can’t hold a PhD.
  • 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)
  • A copy of your most relevant diploma or a certificate of achievement from your school (if you don't yet have your paper diploma)
  • Any document you consider relevant to your application

Your CERNDepartment

The SY department oversees the science and technology related to accelerator technical systems, including beam instrumentation, beam transfer, power converters, particles generation and their interaction with matter, and radio frequency systems. It is responsible for the operation, maintenance, and development of new hardware and software for CERN’s accelerator complex.

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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