Applied Physicist for Superconducting Rf

**Your responsibilities**

- Conducting RF measurements at cryogenics temperatures of 1.3 GHz single cell cavities.
- Conducting RF measurements of flat samples with a quadrupole resonator.
- Developing diagnostics tools for thermal and magnetic mapping.
- Data analysis.
- Correlation analysis for coating parameters and standard DC superconducting quantities.

**Your profile**

- Experience with RF measurements and data analysis.
- Experience with laboratory work (cleanroom experience would be an advantage).
- Experience with Python and Python-based data analysis.
- Hands-on experience with cryogenics systems would be an asset.

**Skills**: - Deep know-how of classical electrodynamics and RF measurement techniques;
- Experience with a finite element electromagnetic simulation software;
- Knowledge of RF superconductivity theory would be an advantage;
- 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 Applied Physics, Electronics 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.

**Additional Information**

Job closing date**:15.01.2026 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-March-2026

This position involves:

- Work in Radiation Areas.
- A valid driving licence.
- Exposure to electromagnetic fields under certain exposure conditions.

Job reference: SY-RF-SRF-2025-263-GRAP

Field of work: Applied Physics

Benchmark job: 200140 - Applied Physicist

**Global Benefits**

- A monthly stipend between 6287-6911 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.

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