Magnet Applied Physicist

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Magnet Applied Physicist / Engineer (ATS-DO GRAP)

• Full-time

Job Description

You will join a team working on the design and integration of superconducting and resistive magnets for the muon collider project. The team is exploring candidate configurations that are above the current state of the art. including High-Temperature Superconductor (HTS) non-insulated magnets with fields up to 40T, with the goal of achieving high energy efficiency, operating in the 10K to 20K temperature range. You will contribute to the electromagnetic design and demonstration of magnets for production, cooling, acceleration, and collision of muons, particularly to the solenoids for the 6D and final cooling cells.

Your responsibilities

• Contribute to the design of superconducting and resistive magnets for the cooling and acceleration chain of the muon collider.
• Review present baseline and update the selection of magnet technologies based on performance, cost, and Technology Readiness Level (TRL).
• Collaborate with technical teams to derive and refine magnet specifications.
• Conduct analytical and numerical simulations (e.g., COMSOL, ANSYS, and other tools) to define performance limits and optimise magnet performance, with a focus on the solenoids of the 6D cooling channel.
• Maintain a catalogue of superconducting magnet parameters, options, and configurations, contributing to the integration of magnet engineering with the broader machine configuration, in particular assessing mechanical and cryogenic constraints within the collider environment.
• Assist in the organisation of magnet development activities across multiple task groups.

Your profile

• Experience in the conceptual and engineering design of magnets;
• Good understanding of electromagnetics, mechanics and heat transfer;
• Knowledge of applied superconductivity and cryogenics;
• Knowledge of basics of beam optics.

Skills

• Analytical and numerical simulation tools (e.g., COMSOL, ANSYS, or others) and willingness to learn them;
• Computer-aided design tools (e.g., CATIA, or others) and willingness to learn them;
• Ability to direct and supervise students and interns;
• Excellent team-working attitude, with colleagues from different fields of applied physics and engineering;
• Spoken and written English or French, with a commitment to learn the basics of the other language.

Eligibility criteria:

• You are a national of a CERN Member or Associate Member State.
• You have a professional background in Engineering or Applied Physics (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.

Additional Information

Job closing date: 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-February-2026

Job reference: ATS-DO GRAP

Field of work: Applied Physics

Benchmark job: Applied Physicist

What we offer

• A monthly stipend ranging between 6287 and 6911 Swiss Francs per month (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

We are on a Quest. A Journey into discovery like no other. Bring your expertise to our unique work and develop your knowledge and skills at pace. Join world-class subject matter experts on unique projects, in a Quest for greater knowledge and deeper understanding.

Begin your CERN Quest. Take Part

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.

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