**Description** The Department of Physics at Carnegie Mellon University is seeking a Visiting Research Scientist for a full-time, fixed-term, 5-week appointment within the Condensed Matter research group under the supervision of Professor Michael Widom. This temporary position is scheduled to begin on August 15, 2025, and conclude on September 20, 2025. The research project is to conduct research on the structure and thermodynamics of complex matter, including quasicrystals, glasses, and other materials. **Qualifications** Applicants must hold a Ph.D. in Physics or equivalent and must be an expert in the structure and thermodynamics of quasicrystals, glass, and other complex atomistic structures. **Application Instructions** Interested candidates should submit a CV through Interfolio. The evaluation of candidates will begin immediately and continue until the available position is filled. **Equal Employment Opportunity Statement** **Carnegie Mellon University** is an equal opportunity employer. It does not discriminate in admission, employment, or administration of its programs or activities on the basis of race, color, national origin, sex, disability, age, sexual orientation, gender identity, pregnancy or related condition, family status, marital status, parental status, religion, ancestry, veteran status, or genetic information. Furthermore, Carnegie Mellon University does not discriminate and is required not to discriminate in violation of federal, state, or local laws or executive orders. Consistent with this commitment, Carnegie Mellon will no longer be requiring or considering applicant diversity statements. If you are interested in this position and have not yet submitted a diversity statement, please do not do so. If you have already submitted a diversity statement, please know that any diversity statements submitted by applicants for this opportunity will not be considered in the hiring decision.