Mechanical Design Engineer

Switzerland flag Geneva, Switzerland EN-HE-PO-2026-40-GRAE Ideal start date: 01/05/2026
Apply now
Before 01/03/2026 at 23:59 (Geneva Time)

What you'll do

As the Mechanical Design Engineer, you will coordinate transport and handling aspects of the CNGS dismantling and Isolde Beam Dump projects. You will also participate in the development of both projects and oversee the design of any installation tooling and machines, as well as following up the dismantling and installation phase with the technicians on the field.

Your responsibilities

  • 3D modelling of environment and operations in Catia.
  • Definition and design of handling tools, follow up of construction and delivery.
  • Follow up of the project: planning, resources, implementation of the proposed tooling and methods with the handling teams.

Still here? Let's make a quick check about

Your profile

  • Experience with 3D CAD software (CATIA, SolidWorks, Inventor, or equivalent).
  • Experience with mechanical calculations with Ansys (or other Finite Elements Methods)..
  • Your studies focused on Mechanical Engineering.

Your skills

  • Deep understanding of the strain/stress propagation in metallic structures.
  • Ability to prepare mechanical calculation notes with formulas to be submitted to safety stakeholders.
  • Spoken and written English or French, with a commitment to learn the other language.
  • Spoken and written English or French, with a commitment to learn the other language.
Ideal start date: 01/05/2026
Contract duration (in months): 24
Job flexibility: Fully Onsite

Medical hazard

  • Exposure to ionising radiation and classified as category A.
  • Exposure to risk of falling from heights during scaffolding assembly and dismantling operations.
Given the occupational health risks associated with this position, the selected candidate must obtain medical clearance before a contract offer is confirmed.

Employment conditions

  • A valid driving licence.
  • Work during nights, Sundays and official holidays, when required by the needs of the Organisation.
  • Interventions in underground installations.
  • Work in Radiation Areas.

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.
  • 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 EN department provides CERN with the engineering competences, infrastructure systems, and technical coordination required for the design, fabrication, installation, operation, maintenance, and dismantling of the accelerator complex and experimental facilities. Its mission is to deliver and sustain robust infrastructure systems, advanced engineering solutions, and technical coordination.

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!


Ready To apply?

All good?

Apply now Allow 15 minutes to complete your online application

Still have a doubt ? Here are the most frequently asked questions

Create an alert
Stay informed about new opportunities at CERN and don’t miss a chance to join us!
Find your Path There is a universe of opportunities at CERN; let us guide you
What's your domain?
What's your level of experience?