Engineer in Charge of the CERN Proton Synchrotron (PS)

Engineer in Charge of the CERN Proton Synchrotron (PS)

European Organization for Nuclear Research (CERN)

June 20, 2026August 4, 2026GenevaSwitzerland
Job Description
Job Posting Organization:
CERN, the European Organization for Nuclear Research, is a leading scientific research organization established to probe the fundamental structure of the universe. It employs physicists and engineers who utilize the world's largest and most complex scientific instruments to study the basic constituents of matter. CERN has been at the forefront of scientific discovery since its inception, fostering an environment of innovation and collaboration among a diverse workforce. The organization operates in multiple countries and is committed to diversity as a core value, ensuring that every contribution is valued and that all employees work together towards a common goal of advancing our understanding of the universe.

Job Overview:
As the Engineer in Charge of the CERN Proton Synchrotron (PS), you will be responsible for ensuring the safe, efficient, and performance-driven operation of the accelerator. This role combines operational follow-up, technical problem-solving, performance analysis, and software development. You will actively contribute to improving PS operations through data-driven analysis and automation-oriented developments, aiming to enhance the robustness, reproducibility, and efficiency of the accelerator's operations. Your work will involve collaboration with various teams to address operational issues, optimize performance, and develop tools and applications that support operational decision-making. You will also engage in cross-accelerator activities to share experiences and promote synergies across CERN’s accelerator complex.

Duties and Responsibilities:
  • Actively participate in the safe and efficient operation of the PS and its associated beam lines during commissioning, regular operation, and machine development studies.
  • Analyze operational issues, assess their impact on beam performance, and collaborate with experts to implement effective solutions.
  • Drive automation-oriented developments by identifying processes that can be improved and translating them into practical tools and applications.
  • Optimize PS beam performance for the LHC and fixed target facilities through accelerator studies and operational data analysis.
  • Prepare, validate, and improve operational settings and procedures for reliable PS operation.
  • Engage in cross-accelerator activities to share operational experiences and develop common approaches for performance optimization.
  • Develop and maintain software tools and applications that support performance optimization and decision-making.
  • Propose and support machine development studies aimed at improving operational efficiency and understanding PS limitations.
  • Communicate operational status and performance analyses through updates, presentations, and reports. 1
  • Provide operational input for consolidation and upgrade activities and future studies.

Required Qualifications:
Candidates must possess a Master's Degree or PhD in Physics, Engineering, or a related field, or have equivalent relevant experience. They should have experience with accelerator operation or a strong interest in understanding PS operation, accelerator systems, and beam dynamics. Additionally, candidates should have experience in performance analysis and optimization, as well as the development or improvement of operational tools. Strong problem-solving skills and the ability to work autonomously and collaboratively are essential. Proficiency in software development with Python and experience in data analysis and performance monitoring are also required. Knowledge of optimization methods and control algorithms is an asset, as is experience with complex scientific or technical facilities.

Educational Background:
A Master's Degree or PhD in Physics, Engineering, or a related field is required for this position. Candidates should have a strong academic background that supports their understanding of complex technical systems and accelerator operations.

Experience:
Candidates should have relevant experience in accelerator operation or a strong interest in developing a solid understanding of PS operation and beam dynamics. Experience in performance analysis and optimization, as well as the development of operational tools, is crucial. The ability to understand and improve complex technical systems is also necessary, along with a motivation to drive automation and high-level control applications.

Languages:
Fluency in spoken and written English or French is mandatory, with a commitment to learn the other language being essential for effective communication within the organization.

Additional Notes:
This position is a limited duration contract for 5 years, with the possibility of extension up to 8 years and eligibility for an indefinite contract. The job requires participation in regular stand-by duty, including nights, Sundays, and official holidays, and involves work in radiation areas and underground installations. A valid driving license is required. The job grade is 6-7, and the working hours are 40 hours per week. CERN offers a competitive salary, comprehensive health insurance, paid leave, and a relocation package depending on individual circumstances.
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