Geneva, Switzerland What you'll do
As Engineer in Charge of the CERN Proton Synchrotron (PS), you will contribute to the safe, efficient and performance-driven operation of the accelerator, combining operational follow up, technical problem solving, performance analysis and software development.
You will play an active role in improving PS operation through data driven analysis, high level control applications and automation-oriented developments, with the aim of making operation more robust, reproducible and efficient.
Your responsibilities
- Take an active role in the safe, efficient and performance-driven operation of the PS and its associated beam lines during commissioning, regular operation, and machine development studies.
- Analyse PS operational issues, assess their impact on beam performance and availability, and collaborate with equipment experts, controls specialists and operations teams to define and implement effective solutions.
- Drive automation-oriented developments for PS operation by identifying operational processes that can be made more robust, reproducible and efficient, and translating them into tools, procedures and applications that increase the autonomy of the accelerator.
- Drive the performance optimisation of the PS beams for the LHC and the fixed target facilities, combining accelerator studies, operational data analysis and close collaboration with operations crews, machine experts and physics users.
- Prepare, validate and improve operational settings, procedures and diagnostics required for reliable and reproducible PS operation.
- Engage in cross-accelerator activities to share operational experience, promote synergies and develop common approaches for performance optimisation, software tools and automation, ensuring that best practices are transferred across CERN’s accelerator complex.
- Develop, maintain and improve software tools, high level control applications and data analysis workflows supporting performance optimisation and operational decision making.
- Propose, conduct and support machine development studies aimed at improving beam performance, operational efficiency and the understanding of PS limitations.
- Share the operational status, performance analyses and improvement activities through clear updates, presentations and reports.
- Identify and provide operational input for consolidation and upgrade activities, and future studies.
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Your profile
- Experience with accelerator operation or strong interest in developing a solid understanding of PS operation, accelerator systems and beam dynamics.
- Experience in performance analysis, optimisation and the development or improvement of operational tools, with the motivation to become a key technical reference for PS operation.
- Ability to understand and improve complex technical systems involving hardware, controls, software, operational constraints and beam performance aspects.
- Proficiency in software development with Python, combined with experience in data analysis, diagnostics, performance monitoring or operational decision support.
- Strong problem solving skills, with the ability to investigate technical issues, identify root causes and define pragmatic solutions in a complex operational environment.
- Motivation and ability to drive automation, high level control applications and data driven methods to make accelerator operation more robust, reproducible and efficient.
- Ability to work autonomously, take initiative and collaborate effectively with operations crews, equipment experts, controls specialists and other accelerator teams.
- Ability to communicate technical results clearly through status updates, reports and presentations.
- Knowledge of optimisation methods, feedback control or control algorithms would be an asset, in particular for applications to beam performance, automation or operational decision support.
- Experience with operation, commissioning, performance optimisation or troubleshooting of complex scientific, technical or industrial facilities would be an advantage.
- Knowledge of Java, accelerator controls, high level control applications or operational software would be an asset.
- Master's Degree or PhD or equivalent relevant experience in the field of Physics, Engineering or a related field.
Your skills
- Analysis and optimisation of accelerator performance.
- Knowledge and application of software life-cycle tools and procedures.
- Knowledge of programming techniques and languages.
- Operation of accelerators.
- Produces workable and timely solutions that meet requirements.
- Takes responsibility for own actions and decisions.
- Readily absorbs new techniques and working practices; proposes new or improved ways of working.
- Expresses opinions, ideas and suggestions with conviction and in a logical/structured manner; keeps to the point.
- Builds and maintains constructive and effective work relationships.
- Spoken and written English or French, with a commitment to learn the other language.
Employment conditions
- A valid driving licence.
- Work in Radiation Areas.
- Interventions in underground installations.
- Yes Participation in a regular stand-by duty, including nights, Sundays and official holidays.
Global Benefits at CERN
Let's get you ready
Be sure to meet the eligibility criteria
- You are a national of a CERN Member State or Associate Member State. Currently, we cannot consider applications from Pakistani and Lithuanian nationals for positions with a 2026 start date, as the ceiling defined under Article II.5 of the Associate Membership Agreement has been reached.
- You have relevant qualifications and professional experience.
- If you have previously held a Staff contract at CERN, you will not be eligible for these positions.
- Please pay attention to the additional criteria and requirements for this specific position and mentioned above.
You will need these documents to complete your application
- Your CV (English or French)
- Any document you consider relevant to your application
Your CERNDepartment
Its mission is to lead the development, construction, and operation of advanced particle accelerators, and to provide cutting-edge technology solutions that enable new discoveries in fundamental physics. Committed to promoting a culture of excellence, creativity and collaboration, individuals from diverse backgrounds contribute to the advancement of science and technology, as well as engaging in scientific education, outreach, and broader knowledge and technology transfer initiatives.
Overview of CERN
Discover a world where the impossible is made possible!
At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.
Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.
If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!
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Still have a doubt ? Here are the most frequently asked questions
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What should I expect during my first week at CERN?
Your onboarding at CERN includes a comprehensive induction programme, which starts with an official welcome session at the beginning of each month. In addition, you will receive important information both before and after your arrival to ensure a smooth transition into your new role. This process is designed to help you get acquainted with CERN’s environment, your team, and the tools and systems you’ll be using.
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How big would the team be?
The size of the team you'll be working with at CERN depends on the specific role and department. Some teams are small and highly specialized, while others are larger and more interdisciplinary. During the interview process, you'll have the opportunity to learn more about the team structure for the position you are applying for. -
What is the working language at CERN?
The working languages at CERN are English and French. However, it is not always mandatory to speak both languages to work at CERN. We offer language training to help you acquiring the other language. -
What support does CERN provide for relocation?
CERN does not offer direct assistance with relocation. However, depending on your role and specific criteria, you may be eligible for certain benefits such as an installation allowance and coverage of travel expenses to join CERN. These benefits are designed to help ease the transition when relocating to the Geneva area. For more information, please consult the “Salary, Benefits and Support“ page. -
Do I need a visa to work at CERN?
Whether you need a visa to work at CERN depends on your nationality and the duration of your stay. CERN assists with the necessary visa and work permit processes for its employees and visitors. The specific requirements will be communicated to you during the recruitment process. -
What would my salary be?
Salaries at CERN are determined by a structured scale. Salaries are based on your role, qualifications, and experience, and are not subject to negotiation. Specific details will be provided as your application progresses. For more information, please refer to the dedicated page.