Are you a mechanical engineer eager to contribute to cutting-edge scientific infrastructure? Join CERN's High-Luminosity LHC project and work on the mechanical design and integration of new superconducting transfer lines. You will be part of an international team preparing complex cryogenic systems for installation in CERN's underground accelerator galleries, following the project from design through installation and operation.
Your responsibilities:
Perform CAD modelling and mechanical integration of superconducting transfer lines throughout the project lifecycle, from design to operation.Produce technical documentation including manufacturing and inspection plans, installation procedures, and QA/QC reports.Coordinate with stakeholders responsible for neighbouring equipment to define assembly, welding, metrology, and leak-tightness procedures.Design bespoke installation tooling in collaboration with technicians, including CAD models, analytical and FEM calculations, drawings, specifications, procurement follow-up, and testing.Carry out thermal and mechanical analytical and FEM calculations to validate support systems and interface connections.Support manufacturing and installation activities with detailed drawings and kinematic simulations.Your profile:
Experience in 3D design of complex mechanical assemblies using CATIA V5.Experience working with Product Lifecycle Management (PLM) systems.Experience producing 2D manufacturing drawings for metallic components in accordance with ISO standards.Experience performing thermal and mechanical FEM analyses using ANSYS or similar tools.Experience with industrial production of metallic components is an asset.Experience with cryogenic and/or vacuum technologies is an asset.Skills:
CAD modelling and mechanical integration using CATIA V5.Preparation of 2D manufacturing drawings and technical documentation.Thermal and structural FEM analysis.Knowledge of heat transfer, thermodynamics, and solid mechanics.Understanding of metallic materials, manufacturing processes, and welded joints.Clear communication skills and ability to work effectively in multidisciplinary teams.Spoken and written English, with a commitment to learn French.Eligibility criteria:
You are a national of a CERN Member or Associate Member State.You have a professional background in Mechanical Engineering (or a related field) and have either: a Master's degree with 2 to 6 years of post-graduation professional experience;or a PhD with no more than 3 years of post-graduation professional experience.You have never had a CERN fellow or graduate contract before.Job closing date: 02.02.2026 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-April-2026
This position involves:
Interventions in underground installations.A valid driving licence.Work during nights, Sundays and official holidays, when required by the needs of the Organization.Job reference: TE-MSC-CMI-2026-9-GRAP
Field of work: Mechanical Engineering
Benchmark job: 200090 - Mechanical Engineer
Global Benefits
A monthly stipend between 6372-7004 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