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Postdoctoral Associate- Observational Cosmology

**Required Qualifications:** (as evidenced by an attached resume/CV)

Doctoral Degree (or foreign equivalent) in Astrophysics or a closely related field in hand by the start of the appointment.

Preferred Qualifications:

Strong background in one or more of the following areas: (1) image processing, (2) weak gravitational lensing, (3) coding and software development, (4) student mentorship, (5) statistical inference with astronomical data, including AI/ML tools, and/or (6) experience working in large collaborations.

Brief Description of Duties:

The Postdoctoral Associate will work under the supervision of Dr. Von Der Linden (https://www.stonybrook.edu/commcms/physics/people/\_profiles/vonderlindena) (SBU) and Dr. Li (https://www.bnl.gov/staff/xli6) (BNL) and will lead efforts to combine space- and ground-based imaging for weak-lensing shear estimation, and to carry out cluster-lensing analyses using Vera C. Rubin Observatory LSST datasets and complementary public space-based datasets (e.g., HST, JWST and Euclid) to improve the Rubin LSST measurement. Please visit department of Physics and Astronomy (https://www.stonybrook.edu/commcms/physics/) to learn more about our department/research.

The incumbent will work within the Dark Energy Science Collaboration (DESC (https://rubinobservatory.org/for-scientists/science-collaborations/desc) ), helping to build and strengthen synergies across relevant working groups, and will perform original research in close collaboration with the PIs and cosmology teams at Stony Brook University and Brookhaven National Laboratory, as well as with DESC. The incumbent will conduct research and ensure that all experiments are appropriately conducted following the policies and procedures of Stony Brook University.

• Data reduction of public space-based images

• Shear estimation from calibrated image

• Cluster lensing measurement

• Student mentoring

• Report and update result in SBU and BNL group meeting

• Help organize BNL-SBU seminar and other duties as assigned.

Special Notes:

The Research Foundation of SUNY is a private educational corporation. Employment is subject to the Research Foundation policies and procedures, sponsor guidelines and the availability of funding. FLSA Exempt position, not eligible for the overtime provisions of the FLSA. Minimum salary threshold must be met to maintain FLSA exemption.

Applicants should submit the following materials through our online application system:

• Curriculum Vitae

• Research Statement (4 Pages)

• Have 3 reference letters emailed directly to [email protected] and [email protected]

Visit The Office of Postdoctoral Affairs (https://www.stonybrook.edu/commcms/postdoc/) to learn more about our postdoctoral community.

_Stony Brook University is committed to excellence in diversity and the creation of an inclusive learning, and working environment. All qualified applicants will receive consideration for employment without regard to race, color, national origin, religion, sex, pregnancy, familial status, sexual orientation, gender identity or expression, age, disability, genetic information, veteran status and all other protected classes under federal or state laws._

If you need a disability-related accommodation, please call the university Office of Equity and Access (OEA) at (631) 632-6280 or visit OEA (https://www.stonybrook.edu/commcms/oea/) .

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Visit our WHY WORK HERE (https://www.stonybrook.edu/jobs/working-here/) page to learn about the **total rewards** we offer.

SUNY Research Foundation: A Great Place to Work. (https://www.stonybrook.edu/human-resources/total-rewards/\_postdocs/rf\_postdoctoral\_employees/)

The starting salary range (or hiring range) to be offered for this position is noted below, it represents SBU’s good faith and reasonable estimate of the range of possible compensation at the time of posting.

**Job Number:** 2504680

**Official Job Title:** : Postdoctoral Associate

**Job Field** : Post Doctoral

**Primary Location** : US-NY-Stony Brook

**Department/Hiring Area:** : Physics and Astronomy

**Schedule** : Full-time

**Shift** : Day Shift **Shift Hours:** : 9am-5pm :

**Posting Start Date** : Jan 13, 2026

**Posting End Date** : Feb 16, 2026, 4:59:00 AM

**Salary:** : $60,000

**Appointment Type:** : Regular

**Salary Grade:** : E89

**SBU Area:** : The Research Foundation for The State University of New York at Stony Brook

**Req ID:** 2504680