After earning her Ph.D., she became a NASA Postdoctoral Fellow in the Observational Cosmology Lab at Goddard Space Flight Center. In 2011, she won a Dr. Martin Luther King Jr. Postdoctoral Fellowship at the Massachusetts Institute of Technology, where she was jointly appointed to the Kavli Institute for Astrophysics and Space Research and the department of physics. At MIT, Prescod-Weinstein worked in Alan Guth 's group in the Center for Theoretical Physics. In 2016, Prescod-Weinstein worked as Ann Nelson 's postdoc at the University of Washington.