Theoretical Physicist

Job Posting Organization:
CERN, the European Organization for Nuclear Research, is a leading scientific research institution 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's mission is to advance knowledge in the field of particle physics and to foster collaboration among scientists from various disciplines. The organization has a diverse workforce and operates in multiple countries, promoting a culture of inclusion and innovation.

Job Overview:
The position is part of the talent pool for Limited Duration research positions within the CERN Theoretical Physics Department (CERN-TH). The selected candidate will be an outstanding researcher in theoretical particle physics, contributing to the development of new theoretical ideas that enhance the understanding of fundamental constituents and forces of nature. The role involves ensuring that these ideas are relevant to CERN's experimental programs and leveraging the unique environment of a large international laboratory. Additionally, the candidate will actively participate in training programs and promote scientific events at CERN, thereby contributing to the scientific culture of the organization.

Duties and Responsibilities:
The duties of the Theoretical Physicist include making significant contributions to theoretical research related to elementary particle physics, participating in and initiating various activities within the Theoretical Physics Department, and collaborating with experimental physicists at CERN. The role also involves taking part in CERN committees and study groups, as well as maintaining ongoing contacts with the external scientific community to foster collaboration and knowledge exchange.

Required Qualifications:
Candidates must possess a PhD or equivalent relevant experience in Theoretical Physics or a related field. They should demonstrate post-doctoral research activities that have resulted in scientific publications in peer-reviewed journals. Additionally, candidates must provide evidence of their ability to make significant contributions to the work of the organization, showcasing their technical competencies in computational and mathematical physics, particle physics, and theoretical physics.

Educational Background:
A PhD in Theoretical Physics or a closely related field is required for this position. This educational background ensures that the candidate has the necessary theoretical knowledge and research skills to contribute effectively to CERN's scientific endeavors.

Experience:
Candidates should have demonstrated post-doctoral research experience, which includes a track record of scientific publications in reputable peer-reviewed journals. This experience is crucial for ensuring that the candidate can contribute meaningfully to CERN's research objectives and collaborate effectively with other scientists.

Languages:
Proficiency in spoken and written English or French is mandatory, with a commitment to learn the other language. This bilingual requirement reflects CERN's international environment and the need for effective communication among diverse teams.

Additional Notes:
The position is a limited duration contract for 5 years, with the possibility of applying for an indefinite position under certain conditions. The working hours are set at 40 hours per week, and the job is fully onsite. The job grade is classified as 6-7, and the reference for this position is TH-SP-2026-68-LD. The role offers a competitive, tax-free salary that increases with relevant experience, along with 30 days of paid leave per year, comprehensive health insurance coverage, family allowances, and a relocation package based on individual circumstances. There is also the possibility to extend the contract up to 8 years, along with eligibility for an indefinite contract tenure.