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Job summary
Join CERN as a Mechanical Engineer in the EN-MME group, advancing cooling systems for particle physics. Enjoy a collaborative work environment with excellent benefits.
Tasks
Design and optimize CO2 cooling transfer lines for CMS upgrade.
Perform thermo-mechanical analyses using finite element tools like ANSYS.
Collaborate with teams on fabrication decisions and quality assurance.
Skills
Bachelor's or Master's degree in Mechanical Engineering with under 2 years experience.
Experience with finite element analysis and 3D CAD software.
Strong problem-solving, communication skills in English or French.
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Job Description
Your responsibilities
The Mechanical and Materials Engineering (EN-MME) group, within the Engineering Department (EN), is seeking a Mechanical Engineer to contribute to the design, simulation, and optimisation of CO2 cooling transfer lines as part of the CMS detector upgrade at CERN.
You will play a critical role in the design of such systems, performing thermo-mechanical analyses via finite element tools such as ANSYS, together with structural and thermal calculations in compliance with related standards. The position requires iterative design development to meet both performance objectives and integration constraints.
You will collaborate closely with engineers, designers, and technicians across multiple domains, contributing to fabrication-related decisions, supporting quality assurance activities, and preparing comprehensive technical documentation throughout the project life cycle.
Your profile
Skills:
Proven experience with finite element analysis software for thermal and structural simulations (e.g. ANSYS);
Ability to analyse and interpret simulation data to guide design decisions;
Experience with 3D CAD software, preferably CATIA;
Familiarity with EN 13480 and other international design, and safety standards for pressure vessels and mechanical components would be an advantage;
Strong problem-solving skills, and ability to work independently and in teams;
Excellent communication and documentation skills;
Spoken and written English or French, with a commitment to learn the basics of the other language.
By the application deadline, you have a maximum of two years of professional experience since graduation in Mechanical Engineering (or a related field) and your highest educational qualification is either a Bachelor's or Master's degree.
You have never had a CERN fellow or graduate contract before.
Applicants without University degree are not eligible.
Applicants with a PhD are not eligible.
Additional Information
Job closing date: 25.06.2025 at 23:59 CEST.
Contract duration: 24 months, with a possible extension up to 36 months maximum.
Working hours: 40 hours per week
Target start date: 01-August-2025
This position involves:
A valid driving licence.
Job reference: EN-MME-EDS-2025-99-GRAE
Field of work: Mechanical Engineering
What we offer
A monthly stipend ranging between 5196 and 5716 Swiss Francs (net of tax).
Coverage by CERN's comprehensive health scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
Depending on your individual circumstances: installation grant; family, child and infant allowances; payment of travel expenses at the beginning and end of contract.
30 days of paid leave per year.
On-the-job and formal training at CERN as well as in-house language courses for English and/or French.
About us
At CERN, the European Organization for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. Using the world's largest and most complex scientific instruments, they study the basic constituents of matter - fundamental particles that are made to collide together at close to the speed of light. The process gives physicists clues about how particles interact, and provides insights into the fundamental laws of nature. Find out more on http://home.cern.
Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organization. Employing a diverse workforce is central to our success.
