Haverford College invites applications to our full-time, fixed-term, benefits-eligible Postdoctoral Scholar in Physics and Astronomy position. The initial appointment is for one year and continued funding is available for an additional year contingent upon satisfactory research progress. A third year is possible, pending funding. We enthusiastically encourage individuals from backgrounds that are underrepresented in STEM fields to apply for this opportunity.   Mentored by Professor Daniel Grin and Adam Lidz (University of Pennsylvania/Penn), the Postdoctoral Scholar will build computational/theoretical models of high-redshift galaxy formation and clustering in novel (for example, ultra-light axions, self-interacting dark matter) dark matter models, using a combination of s