Postdoctoral Research Associate ; Lunar and Planetary Laboratory
Listed on 2026-01-04
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Research/Development
Research Scientist, Postdoctoral Research Fellow
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Postdoctoral Research Associate I (Lunar and Planetary Laboratory)
Tucson, AZ, United States
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23612
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Posted on: 8/7/2025
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Postdoctoral Research Associate I (Lunar and Planetary Laboratory) Posting Number req
23612 Department Lunar and Planetary Laboratory Department Website Link https://(Use the "Apply for this Job" box below). Location Main Campus Address Tucson, AZ USA Position Highlights
The Lunar & Planetary Laboratory at the University of Arizona has an opening for a Postdoctoral Research Associate I in the field of modeling of planetary atmospheres. Research areas include hydrodynamic atmospheric escape from rocky exoplanets, nitrogen and sulfur cycling on early Mars and Earth, chemical kinetics of early Earth, Venus, Mars, and analogous exoplanets, and interior-atmosphere interactions on rocky worlds.
Candidates are encouraged to reach out to Prof. Ranjan in advance of their application to cooperatively identify specific research topics of mutual interest. Applicants should have previous experience modeling the atmospheres of planets or exoplanets, although a variety of backgrounds may be relevant. Candidates with expertise in 1D hydrodynamic escape of rocky planet atmospheres and/or in modeling early terrestrial or Martian geochemistry are especially encouraged to apply.
The position is for a period of up to three years, renewable annually contingent on satisfactory performance reviews.
Position is opened until filled. First review of applications will begin 01/15/2026.
Outstanding UA benefits include health, dental, vision, and life insurance; paid vacation, sick leave, and holidays; UA/ASU/NAU tuition reduction for the employee and qualified family members; access to UA recreation and cultural activities; and more!The University of Arizona has been recognized for our innovative work-life programs. For more information about working at the University of Arizona and relocations services, please .
Duties & Responsibilities- The successful applicant will conduct original research in collaboration with Prof. Sukrit Ranjan and his group related to the composition and structure of planetaryatmospheres, with emphasis on terrestrial planet atmospheres inside and outside the solar system. The specific topics of research will be cooperativelynegotiated based on mutual interest, though current priorities include hydrodynamicatmospheric escape, Martian geochemistry, and photochemical kinetics as appliedto questions of astrobiological interest.
- Other responsibilities may include participation in remote and in-person team meetings, presentation of results at conferences, scientific mentoring of junior colleagues, and preparation oforiginal scientific research manuscripts.
- PhD in the field of Planetary Science, Astronomy,Geoscience, or a related discipline by the start date of the position.
- Experience with numerical modeling and programming
- Experience with modelling the climate, photochemistry, or escape of planetary or exoplanetary atmospheres.
- Experience with one or more of: modeling hydrodynamic escape from the upper atmospheres of terrestrial planets, Venusian photochemistry, interior-atmosphere interactions and out gassing.
- Experience with or interest in mentoring junior scientists.
- Experience leading peer-reviewed scientific publications.
Assistant Professor
sukrit
Open Date 8/7/2025 Open Until Filled Yes Documents Needed to Apply Curriculum Vitae (CV), Cover Letter, and Two Additional Documents Special Instructions to Applicant
Please submit the following:
- CV
- Cover…
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