Postdoctoral Research Position JUNO Collaboration at ULB, Brussels

The Particle Physics Department at the Université libre de Bruxelles (ULB), Brussels, Belgium, invites applications for a three-year postdoctoral research position within the JUNO Collaboration. This is an exciting opportunity to join the collaboration as the experiment begins the analysis of its first physics data. About IIHE and ULB

The Particle Physics Department is part of the Interuniversity Institute for High Energies (ULB-VUB), which brings together the experimental particle physics and astroparticle physics groups of the two Brussels universities, ULB and Vrije Universiteit Brussel.

IIHE comprises approximately 120 physicists, engineers, IT specialists, and support staff working within major international collaborations, including CMS Collaboration, JUNO Collaboration, Ice Cube Collaboration, Radio Neutrino Observatory Greenland, and Pierre Auger Observatory.

The institute also hosts a strong R&D division dedicated to detector development, data acquisition systems, and electronics, as well as electronics and mechanical workshops, a large cleanroom, and a Tier-2 computing centre.

ULB is a leading research university with a world-renowned Physics Department and a long tradition of excellence in fundamental research.

Jiangmen Underground Neutrino Observatory is a medium-baseline neutrino experiment located in China. Its primary objectives are to determine the neutrino mass ordering and to measure several neutrino oscillation parameters with sub-percent precision.

The ULB JUNO group was responsible for the design and construction of the back-end cards for the detector readout electronics. The group is actively involved in a broad range of physics analyses, including:

• detector calibration using external sources and natural radioactivity;
• estimation of muon-induced backgrounds;
• reactor neutrino spectrum studies;
• atmospheric neutrino reconstruction and oscillation analyses;
• supernova neutrino triggering and detection.

JUNO began data taking at the end of August 2025. The successful candidate will contribute to the analysis of the first JUNO physics data.

Applicants of any nationality are welcome.

Candidates should have no more than six years of postdoctoral research experience and must satisfy the applicable international mobility requirements(1).

The position offers a competitive salary together with social security benefits.

Interested candidates are encouraged to apply as early as possible, and no later than 15 September 2026, when a first round of evaluations will take place. The position will remain open until it is filled.

The expected starting date is flexible and may be between January 2027 and March 2027.

Contribution to teaching is possible but not required.

Applications should be sent by email (with subject "JUNO - post-doc position") to Prof.

B. Clerbaux via the IIHE-ULB secretariat, at  They should include a detailed CV, a letter of motivation and 3 reference letters.

Prof

B. Clerbaux ()

Ing Dr Y. Yang ()

The secretary:

IIHE web site: