Junior Mechanical Engineer

Switzerland flag Geneva, Switzerland SY-STI-TCD-2026-60-GRAE Ideal start date: 01/05/2026
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Before 30/03/2026 at 23:59 (Geneva Time)

What you'll do

The High-Intensity ECN3 project is designing a new facility for the SHiP experiment at CERN’s North Area. We are seeking a Graduate Engineer to work on the engineering design and production of several beam intercepting devices required along the beamline and assist the developments of the high-power Target.

The position includes thermo-mechanical and CFD studies on beam stoppers, collimators and the Target. It involves exploring technologies, optimising designs, dimensioning components and services, conducting characterisation studies.


You will support the procurement and construction of the devices in collaboration with other groups and external partners, and get involved in hands-on activities, develop scripts to support CAE and operation activities of the section and explore tools, methods and processes related with AI.


Your responsibilities

  • Carry out engineering studies related with beam-intercepting devices of the ECN3 HI project.
  • Collaborate closely with designers, physicists, and engineers to align engineering specifications with physics requirements.
  • Present regular status updates at project meetings, gather feedback, and engage in technical discussions.
  • Perform FEA thermo-mechanical studies and conduct CFD and conjugate heat transfer (CHT) analyses.

Still here? Let's make a quick check about

Your profile

  • Strong technical understanding of mechanical engineering principles, with expertise in heat transfer, fluid dynamics, and material science.
  • Experience in relevant FEA software tools, such as Ansys (or equivalent).
  • Your studies focused on Mechanical Engineering, Applied Physics

Your skills

  • Effective communication and interpersonal skills to facilitate collaboration.
  • Proactive problem-solving mindset with the ability to defend ideas using technical arguments.
  • Autonomy in handling specific technical tasks within a team context.
  • Strong organisational skills to manage multiple tasks and deadlines simultaneously.
Ideal start date: 01/05/2026
Contract duration (in months): 24
Job flexibility: Fully Onsite

Employment conditions

  • A valid driving licence.
  • Work in Radiation Areas.
  • Interventions in underground installations.

Global Benefits at CERN

  • 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.

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 and Lithuanian nationals for positions with a 2026 start date, 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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