Software Developer - Beam Optics

Responsibilities

• Maintain and extend the core Optics Measurement and Correction framework and toolset used during LHC commissioning and operation.
• Develop software to improve the efficiency and capability of beam-optics measurements and corrections.
• Update accelerator-model creation and correction algorithms to use new simulation tools.
• Explore and implement automation for key measurement and analysis workflows.
• Develop GUIs and analysis tools for use in the CERN Control Centre during optics commissioning.
• Participate in and contribute to optics-measurement analysis across CERN accelerators.
• Test, diagnose, and optimise existing software and contribute to knowledge transfer activities.

Requirements

• Background in programming and software design with experience in Python.
• Experience with version-control systems and collaborative workflows using GitHub.
• Experience with GUI development.
• Master’s degree with 2–6 years of post-graduation professional experience, or a PhD with no more than 3 years of post-graduation professional experience, in Physics, Software Engineering, or a related field.
• Nationality of a CERN Member or Associate Member State.
• Knowledge of particle accelerator physics and operation is advantageous.
• Strong teamwork, communication, prioritisation, and knowledge-sharing skills.
• Spoken and written English or French, with a commitment to learn the other language.
• Must not have previously held a CERN fellow or graduate contract.

Benefits

• Monthly net stipend of 6372 or 7004 Swiss Francs depending on degree.
• 30 days of paid leave per year plus two weeks of annual closure.
• CERN health insurance coverage for the employee, spouse, and children, plus membership in the CERN Pension Fund.
• Family, child, and infant monthly allowances depending on individual circumstances.
• Relocation package including installation grant and travel expenses, depending on individual circumstances.
• 24-month contract with a possible extension up to 36 months.
• Hybrid work arrangement and 40-hour work week.
• On-the-job and formal training, including language classes.
• Target start date of 1 January 2027; occasional work at night, on Sundays, and on official holidays may be required.