Scientist in Theoretical Particle Physics

Scientist in Theoretical Particle Physics

European Organization for Nuclear Research (CERN)

February 10, 2026March 27, 2026GenevaSwitzerland
Job Description
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 the field of particle physics. CERN employs thousands of scientists, engineers, and support staff from over 100 countries, making it a truly international organization. Its mission is to push the frontiers of science and technology, fostering an environment where innovation and collaboration thrive. CERN operates numerous research facilities and is home to the Large Hadron Collider, the world's largest and most powerful particle accelerator, which has been instrumental in advancing our understanding of the universe.

Job Overview:
As a Scientist in Theoretical Particle Physics at CERN, you will participate in the organization's scientific programmes, leveraging your established expertise and existing professional relationship with CERN. Your role will involve utilizing CERN's extensive research facilities to contribute to theoretical particle physics activities. You will be expected to engage actively with CERN's theoretical physics teams and contribute to various research activities, thereby enhancing the collaborative scientific environment at CERN. This position is ideal for individuals who are passionate about contributing to large-scale international scientific research and who possess a strong academic background in theoretical particle physics. Your work will not only advance your own research but also contribute to the broader scientific community's understanding of fundamental physics.

Duties and Responsibilities:
In this role, you will carry out a range of scientific activities in theoretical particle physics, utilizing CERN's research environment to its fullest potential. Your responsibilities will include contributing to theoretical particle physics programmes, engaging with CERN's theoretical physics teams, and participating in collaborative research activities. You will be expected to bring your experience and expertise to the table, fostering scientific collaboration and advancing theoretical research. Additionally, you will be involved in discussions and projects that aim to push the boundaries of knowledge in particle physics, ensuring that your contributions are impactful and aligned with CERN's mission. You will also be responsible for communicating your findings and collaborating with other scientists in a professional manner, both in written and verbal formats.

Required Qualifications:
To be considered for this position, you must be an established and experienced scientist with a strong academic background in theoretical particle physics. You should have a proven track record of involvement in research and/or advanced academic activities within your field. An existing professional relationship with CERN or its theoretical physics programmes is essential. Furthermore, you should demonstrate strong analytical and theoretical expertise, with the ability to contribute effectively to advanced theoretical research and scientific collaboration. Comfort in working within an international and research-driven environment is crucial, as is the ability to communicate clearly and professionally in a scientific context, particularly in English and/or French.

Educational Background:
Candidates must possess a PhD or equivalent degree in theoretical particle physics or a closely related field. A strong academic background is essential, with a focus on research that aligns with CERN's scientific objectives. Additional qualifications or certifications in relevant areas of physics or mathematics may be advantageous, as they can enhance your ability to contribute to the research activities at CERN.

Experience:
The ideal candidate will have significant experience in theoretical particle physics, with a demonstrated history of research contributions and collaborations. Experience working in international research environments or large-scale scientific projects will be highly regarded. You should be actively involved in ongoing research or advanced academic activities, showcasing your commitment to the field and your ability to engage with complex scientific challenges.

Languages:
Proficiency in English is mandatory, as it is the primary language of communication at CERN. Knowledge of French is also beneficial, as it can facilitate collaboration within the diverse international community at CERN. Additional language skills may be considered an asset, particularly if they enhance communication with international collaborators.

Additional Notes:
This position is fully onsite at CERN in Geneva, with a contract duration of up to 12 months, with the possibility of extension up to 24 months. The ideal start date for this position is July 1, 202
  • The weekly working hours are set at 40 hours. A subsistence allowance ranging from 6683 to 9465 Swiss Francs per month will be provided, depending on your experience, and this allowance is tax-free. Additional benefits include 2.5 days of authorized absences per month, provided your association contract lasts at least four months, as well as a family supplement to the subsistence allowance based on individual circumstances. Travel expenses to Geneva upon joining CERN may also be covered, depending on individual circumstances. It is important to note that candidates must remain employed by their home institute during their appointment at CERN and must be below the CERN retirement age by the application deadline.
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