Industrial Control System Engineer (SY-EPC-CCS-2026-158-GRAE)

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Join CERN as an Industrial Control System Engineer to design, develop and commission large distributed control systems based on Siemens S7-1500 PLCs and the UNICOS framework for CERN’s power installations. You will build Matlab Simulink models for Hardware-In-The-Loop testing, write Python test scripts, contribute to CI/CD and automated testing, and supervise students. Ideal candidates have hands-on Siemens S7-1500 and TIA Portal experience, knowledge of automation technologies, fieldbuses and SCADA, Python, Git/GitLab and CI/CD practices, and HIL familiarity; English is required with a willingness to learn French. Eligibility includes CERN Member or Associate Member State status, up to two years post-graduation experience, and a Bachelor or Master degree; PhDs and prior CERN fellows are not eligible. Apply by 18 June 2026; contract is 24 months with possible extension, starting 1 October 2026, onsite with hybrid work in Geneva.

Job Description

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, distributed control systems based on Siemens S7-1500 PLCs and the CERN's UNICOS framework.
• Development of Matlab Simulink models for Hardware-In-The-Loop (HIL) testing.
• Development of test scripts in Python.
• Contribute to our CI/CD and automated testing framework.
• Supervise students.

More information here.

Your profile:

• Experience in developing, testing, and commissioning Siemens S7-1500 PLC-based control systems.
• Knowledge of automation technologies, including industrial fieldbuses and SCADA.
• Experience with Python programming.
• Knowledge of Git, Gitlab and CI/CD practices.
• Familiarity with system testing and Hardware-In-The-Loop.

Skills:

• Siemens S7-1500 PLCs and TIA Portal.
• Python.
• Matlab Simulink.
• Hardware-In-The-Loop (HIL) testing.
• Strong communication skills.
• Spoken and written English, with a commitment to learn French.

Skills that would be an advantage:

• Git, Gitlab, CI/CD.
• Industrial fieldbuses (Profinet) and SCADA (WinCC OA).

Eligibility criteria:

• You are a national of a CERN Member or Associate Member State.
• By the application deadline, you have a maximum of two years of professional experience since graduation in Electrical or Automation Engineering (or a related field) and your highest educational qualification is either a Bachelor's or Master's degree.
• You have never had a CERN fellow or graduate contract before.
• Applicants without University degree are not eligible.
• Applicants with a PhD are not eligible.

Additional Information

Job closing date: 18.06.2026 at 23:59 CEST.

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working hours: 40 hours per week

Job flexibility: Hybrid

Target start date: 01-October-2026

Job reference: SY-EPC-CCS-2026-158-GRAE

Field of work: Software Engineering and IT

Benchmark job: 200020 - Computing Engineer

Global Benefits

• A monthly stipend between 5266-5793 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.

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!

More information about us, here: careers.cern