Applied Physicist - Beam-Dust Interactions

Job Posting Organization:
CERN, the European Organization for Nuclear Research, is a leading scientific research institution established in 195

• It is located in Geneva, Switzerland, and is known for its groundbreaking work in particle physics. CERN employs over 2,500 staff members and collaborates with thousands of scientists from around the world. The organization operates in multiple countries, fostering an environment of innovation and collaboration among physicists, engineers, and administrative professionals. CERN's mission is to push the frontiers of science and technology, contributing to our understanding of the universe through cutting-edge research and diverse perspectives.

Job Overview:
The position of Applied Physicist focusing on Beam-Dust Interactions at CERN offers a unique opportunity to contribute to solving a significant mystery in particle accelerators: the impact of tiny dust grains on high-energy particle beams. The successful candidate will lead the development of a novel experimental setup, overseeing the entire process from design and construction to commissioning. This role involves a combination of computational studies and hands-on testing, aimed at advancing accelerator research. The physicist will collaborate with experts in beam physics, machine protection, and vacuum technology to conduct cutting-edge research, develop and apply physics models, and execute experimental tests to validate theoretical models. The position also requires investigating controlled methods for producing and reproducing beam-dust interaction events and proposing mitigation strategies to minimize dust-induced beam losses in future accelerator facilities.

Duties and Responsibilities:
The duties and responsibilities of the Applied Physicist include:

• Designing and developing a dedicated test stand to study beam-dust interactions in accelerator environments.
• Conducting cutting-edge research in collaboration with experts in beam physics, machine protection, and vacuum technology.
• Developing and applying physics models for the charging and release mechanisms of macroscopic dust grains on conducting and insulating surfaces.
• Designing and executing experimental tests to validate theoretical models.
• Investigating controlled methods for producing and reproducing beam-dust interaction events.
• Identifying and proposing mitigation strategies to minimize dust-induced beam losses in future accelerator facilities.
• Collaborating effectively with experts from different technical domains while working independently.
• Utilizing creative problem-solving skills to develop innovative solutions to complex challenges.

Required Qualifications:
Candidates must demonstrate experience in modeling physics phenomena and have a background in setting up and conducting laboratory experiments, including measurement analysis. Experience with numerical simulations and scientific computing is considered an asset. A solid understanding of particle accelerators and beam physics is essential, along with a strong foundation in classical electrodynamics. Proficiency in scientific programming languages such as Python or MATLAB is required. The ability to work independently while collaborating effectively with experts from various technical domains is crucial, as is the capacity for creative problem-solving and innovation.

Educational Background:
The ideal candidate should possess a professional background in Physics or a related field. Candidates must 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. Additionally, candidates must be nationals of a CERN Member or Associate Member State and should not have previously held a CERN fellow or graduate contract.

Experience:
The position requires candidates to have a professional background in Physics or a related field, with specific experience requirements based on educational qualifications. Those with a Master's degree should have between 2 to 6 years of relevant post-graduation experience, while candidates with a PhD should have no more than 3 years of post-graduation experience. This ensures that the selected candidate has adequate experience to contribute effectively to the research and development tasks associated with the position.

Languages:
Fluency in spoken and written English is mandatory for this position. Additionally, candidates should demonstrate a commitment to learning French, which is considered beneficial for effective communication within the organization and the local community.

Additional Notes:
The contract duration for this position is 24 months, with the possibility of extension up to a maximum of 36 months. The working hours are set at 40 hours per week, and the job offers flexibility with a hybrid working model. The target start date for this position is January 1, 202

• The job reference is TE-MPE-CB-2026-139-GRAP. The position offers a competitive monthly net stipend ranging from 6372 to 7004 Swiss Francs, depending on the candidate's degree. Additional benefits include 30 days of paid leave per year, comprehensive health insurance coverage for the employee and their family, and a relocation package that includes installation grants and travel expenses. On-the-job and formal training opportunities, including language classes, are also provided.