Simons Foundation
Flatiron Research Fellow, Center for Computational Astrophysics
Simons Foundation, New York, New York, us, 10261
Overview
Applications are invited for postdoctoral research positions as Flatiron Research Fellows (FRF) at the Center for Computational Astrophysics (CCA). The CCA offers FRFs the opportunity for independent research in areas that have strong synergy with the CCA or other centers at the Flatiron Institute. The mission of the Flatiron Institute is to advance scientific knowledge through computational methods, including data analysis, theory, modeling, and simulation. It currently houses five centers (CCA, CCB, CCM, CCN, CCQ) and a scientific computing core (SCC) that maintains state-of-the-art computing facilities. The CCA’s mission is to create, develop, and disseminate computational methods, tools, and frameworks that enable scientists to build or analyze big astronomical datasets and to use computational and statistical techniques to understand complex, multi-scale physics in astrophysical systems ranging from planets to the Universe. Please see the Flatiron/CCA description for a full description of CCA research areas and staff. Responsibilities
Flatiron Research Fellows are expected to carry out an active research program that can be independently directed and/or involve substantial collaboration with other members of the CCA or Flatiron Institute. In addition to their own research, Fellows help build the scientific community by participating in seminars, colloquia, and group meetings; developing software, mathematical, and computational expertise; and sharing knowledge through publications, presentations, and/or software releases. FRFs may organize workshops and mentor graduate and undergraduate students through programs such as the CCA Pre-Doctoral Program, the CUNY Astrophysics Masters Program, the Simons-NSBP Scholars Summer Program, and the AstroCom NYC Program. FRFs are welcome to collaborate with partnerships including the Simons Observatory, Terra Hunting, SDSS V, Gaia, HIRAX, LIGO, and NASA SPHEREx. Many CCA scientists also hold joint appointments with other institutions. FRFs may also participate in collaborations and projects across the Flatiron Institute, including Learning the Universe, SIMBIG, Vera Rubin, Euclid, Roman, CAMELS, MESA, AstroPy, NANOGrav, LIGO, and Gaia. Qualifications
Education Applicants are required to have or receive before their appointment a PhD in a related field. Related Skills & Other Requirements Ability to do original research in astrophysics Ability to work both independently and collaboratively Ability to present research and other types of work, internally and externally Effective oral and written communication and data documentation Intellectual connections to projects in which the CCA is involved (if relevant) Expertise in technical elements of computational astrophysics research, which may include but are not limited to: algorithm and software development; application or development of computational or statistical methods; data analysis; modeling; statistics and machine learning; scientific simulation; or theoretical astrophysics. Application Instructions REQUIRED APPLICATION MATERIALS Curriculum Vitae with bibliography (Required) Research statement of no more than three pages describing past work, proposed research program, and potential synergies with CCA (Required) Three (3) letters of recommendation submitted confidentially via Interfolio prior to the application due date (Required) Cover letter (optional) – The cover letter should note any particular projects or individuals and describe what you will bring to and seek from the CCA. Applicants should follow the detailed guidelines at https://jobregister.aas.org/postdoc-application-guidelines, except that a list of references is not required. For more information about careers at the Flatiron Institute, please visit simonsfoundation.org/flatiron/careers. Deadline:
All application materials (including letters) must be received by October 31, 2025 Selection Criteria:
Applicants must have a PhD in a related field or expect to receive it before the start of the appointment. Applications will be evaluated based on past research, proposed program, and synergy with CCA staff and programs, including potential cross-boundary collaboration. Any queries about the application process or about CCA can be directed to astro@simonsfoundation.org, or to CCA staff. Compensation and Benefits
The full-time annual compensation for this position is $91,000. In addition to salary, the Simons Foundation provides an outstanding benefits package. FRFs receive a research budget and have access to the Flatiron Institute’s computing resources. FRFs may be eligible for subsidized housing within walking distance of the CCA. The positions will be based in NYC with anticipated start dates between late August and early October 2026. Equal Employment Opportunity
The Simons Foundation is committed to equal opportunities to all applicants without regard to race, religion, color, age, sex, pregnancy, national origin, sexual orientation, gender identity, genetic disposition, neurodiversity, disability, veteran status, or any other protected category under applicable law. Notes : This description reflects the content of the provided posting and preserves the original substance and intent.
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Applications are invited for postdoctoral research positions as Flatiron Research Fellows (FRF) at the Center for Computational Astrophysics (CCA). The CCA offers FRFs the opportunity for independent research in areas that have strong synergy with the CCA or other centers at the Flatiron Institute. The mission of the Flatiron Institute is to advance scientific knowledge through computational methods, including data analysis, theory, modeling, and simulation. It currently houses five centers (CCA, CCB, CCM, CCN, CCQ) and a scientific computing core (SCC) that maintains state-of-the-art computing facilities. The CCA’s mission is to create, develop, and disseminate computational methods, tools, and frameworks that enable scientists to build or analyze big astronomical datasets and to use computational and statistical techniques to understand complex, multi-scale physics in astrophysical systems ranging from planets to the Universe. Please see the Flatiron/CCA description for a full description of CCA research areas and staff. Responsibilities
Flatiron Research Fellows are expected to carry out an active research program that can be independently directed and/or involve substantial collaboration with other members of the CCA or Flatiron Institute. In addition to their own research, Fellows help build the scientific community by participating in seminars, colloquia, and group meetings; developing software, mathematical, and computational expertise; and sharing knowledge through publications, presentations, and/or software releases. FRFs may organize workshops and mentor graduate and undergraduate students through programs such as the CCA Pre-Doctoral Program, the CUNY Astrophysics Masters Program, the Simons-NSBP Scholars Summer Program, and the AstroCom NYC Program. FRFs are welcome to collaborate with partnerships including the Simons Observatory, Terra Hunting, SDSS V, Gaia, HIRAX, LIGO, and NASA SPHEREx. Many CCA scientists also hold joint appointments with other institutions. FRFs may also participate in collaborations and projects across the Flatiron Institute, including Learning the Universe, SIMBIG, Vera Rubin, Euclid, Roman, CAMELS, MESA, AstroPy, NANOGrav, LIGO, and Gaia. Qualifications
Education Applicants are required to have or receive before their appointment a PhD in a related field. Related Skills & Other Requirements Ability to do original research in astrophysics Ability to work both independently and collaboratively Ability to present research and other types of work, internally and externally Effective oral and written communication and data documentation Intellectual connections to projects in which the CCA is involved (if relevant) Expertise in technical elements of computational astrophysics research, which may include but are not limited to: algorithm and software development; application or development of computational or statistical methods; data analysis; modeling; statistics and machine learning; scientific simulation; or theoretical astrophysics. Application Instructions REQUIRED APPLICATION MATERIALS Curriculum Vitae with bibliography (Required) Research statement of no more than three pages describing past work, proposed research program, and potential synergies with CCA (Required) Three (3) letters of recommendation submitted confidentially via Interfolio prior to the application due date (Required) Cover letter (optional) – The cover letter should note any particular projects or individuals and describe what you will bring to and seek from the CCA. Applicants should follow the detailed guidelines at https://jobregister.aas.org/postdoc-application-guidelines, except that a list of references is not required. For more information about careers at the Flatiron Institute, please visit simonsfoundation.org/flatiron/careers. Deadline:
All application materials (including letters) must be received by October 31, 2025 Selection Criteria:
Applicants must have a PhD in a related field or expect to receive it before the start of the appointment. Applications will be evaluated based on past research, proposed program, and synergy with CCA staff and programs, including potential cross-boundary collaboration. Any queries about the application process or about CCA can be directed to astro@simonsfoundation.org, or to CCA staff. Compensation and Benefits
The full-time annual compensation for this position is $91,000. In addition to salary, the Simons Foundation provides an outstanding benefits package. FRFs receive a research budget and have access to the Flatiron Institute’s computing resources. FRFs may be eligible for subsidized housing within walking distance of the CCA. The positions will be based in NYC with anticipated start dates between late August and early October 2026. Equal Employment Opportunity
The Simons Foundation is committed to equal opportunities to all applicants without regard to race, religion, color, age, sex, pregnancy, national origin, sexual orientation, gender identity, genetic disposition, neurodiversity, disability, veteran status, or any other protected category under applicable law. Notes : This description reflects the content of the provided posting and preserves the original substance and intent.
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