The Department of Mechanical Engineering at the University of California, Riverside invites applications for a full-time Interim Postdoctoral Scholar position. Applicants must hold a Ph.D. in Mechanical Engineering, Materials Science and Engineering, or a closely related discipline by the time of appointment. Competitive candidates will demonstrate a strong record of research excellence and possess expertise relevant to their intended area of specialization. Preferred qualifications include experience in establishing molecular beams and their characterization using laser-based spectroscopy; proficiency in developing and maintaining high-vacuum systems; experience in designing and constructing high-voltage systems for inv