3D Integration Designer

Switzerland flag Geneva, Switzerland EN-ACE-INT-2025-223-GRAE Ideal start date: 01/01/2026
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Before 17/11/2025 at 23:59 (Geneva Time)

What you'll do

In this central role, you’ll contribute to the development of 3D models for devices to be installed in our particle accelerators. Your work will include producing detailed technical drawings and defining scan areas for reverse engineering, all within a collaborative and innovative environment. Join us and help shape the future of science through precision engineering.

Your responsibilities

  • Join CERN during Long Shutdown 3 (LS3) for a unique opportunity to work directly on the LHC machine, deep inside the collider tunnels.
  • Collaborate closely with experts from multiple disciplines to ensure the successful integration of new systems and upgrades (This is a central role, embedded within the core teams working on the LHC).
  • Participate in 3D integration studies for accelerator equipment and associated services.
  • Acquire on-site laser scanning experience for reverse engineering.

Still here? Let's make a quick check about

Your profile

  • Your studies focused on Mechanical Engineering

Your skills

  • 3D CAD Software ; CATIA or equivalent
  • Ability to work in a team
  • Analytical skills
  • Spoken and written English or French, with a commitment to learn the other language
Ideal start date: 01/01/2026
Contract duration: 24
Job flexibility: Hybrid

Employment conditions

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

Global Benefits at CERN

  • A monthly stipend of 4624 Swiss Francs per month (tax free).
  • 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.
  • By the application deadline, you have a maximum of 2 years of professional experience since graduation in a technical or administrative field and your highest educational qualification is a general secondary education diploma or a shorter non-university degree. You can’t hold a bachelor’s degree, master’s degree or 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)
  • 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 EN department provides essential engineering expertise and infrastructure systems for the design, operation, and maintenance of CERN's accelerator complex and experimental facilities.

It covers everything from mechanical engineering to infrastructure management, ensuring the smooth running of technical systems.

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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