Junior Mechatronics Engineer (BE-CEM-MRO-2026-43-GRAE)

Job Description

Are you a motivated Mechatronics Engineer ready to support the development and operation of motion and sensing systems for Beam Intercepting Devices (BIDs) across CERN's accelerator facilities? This role bridges operational support and R&D, focusing on sensor evaluation, experimental instrumentation, and motion system development. You will contribute to the performance, reliability, and precision of critical accelerator components by integrating mechatronic and software control aspects into robust, maintainable systems.

Your responsibilities

• Design and implement motion control and monitoring algorithms for BIDs as part of consolidation and upgrade activities for LS3.
• Develop and maintain software components in C++ and Python, contributing to the evolution of the general BID control and monitoring framework.
• Enhance and support operational tools, including piquet monitoring applications and expert user interfaces for hardware control and diagnostics.
• Integrate and validate new software features, performing code reviews, testing, and version control management to ensure high software quality and reliability.
• Contribute to the design and maintenance of communication interfaces with external systems, ensuring modularity, interoperability, and robust data / control pipelines across interconnected systems.

Your profile

Skills

Eligibility criteria :

Additional Information

Job closing date : 15.03.2026 at 23 : 59 CET.

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

Working hours : 40 hours per week

Job flexibility : Fully Onsite

Target start date : 01-May-2026

Job reference : BE-CEM-MRO-2026-43-GRAE

Field of work : Software Engineering and IT

Benchmark job : 200020 - Computing Engineer

Global Benefits

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