Software Developer – Beam Optics

Develops and maintains software for optics measurement and correction in CERN accelerators, improving modelling, analysis and commissioning workflows for the High-Luminosity LHC. The role creates automation, graphical interfaces and control-centre tools that support safe, reliable beam operation.

• Maintain and extend the optics measurement and correction framework used in LHC commissioning and operation
• Develop software that improves optics measurement and correction capability
• Update accelerator-model creation and correction algorithms for new simulation tools
• Automate measurement and analysis workflows where viable
• Create graphical interfaces and analysis tools for the CERN Control Centre
• Participate in optics measurements and analyse accelerator data

• Nationality of a CERN Member State or Associate Member State, subject to the published nationality ceilings
• Master's degree in physics or software engineering with two to six years of professional experience, or a PhD with no more than three years of experience
• Programming and software-design background with Python experience
• Experience developing graphical user interfaces
• Experience with version control and collaborative development workflows
• Spoken and written English or French
• No previous CERN fellow or graduate contract
• Availability for night, Sunday and official-holiday work when required

• Knowledge of particle accelerator physics and operation

• Python Development
• GUI Development
• Software Testing
• Performance Optimisation
• Beam Optics
• Accelerator Modelling
• Workflow Automation
• Data Analysis

• Python
• GitHub

• Ideal start date is 2027-01-01
• Contract may be extended up to 36 months
• Application requires a CV in English or French and evidence of the relevant diploma
• Health insurance, pension membership, paid leave and possible family and relocation allowances are provided