The J. H. Wilkinson Postdoctoral Fellowship is one of the most prestigious and competitive fellowships at Argonne National Laboratory, and the longest-running postdoctoral fellowship of its kind at the U.S. national laboratories. It fosters cutting-edge, high-impact research in applied mathematics and scientific computing, and has a distinguished history of launching long-term research careers at the highest level. The fellowship supports exceptional early-career scientists engaged in trailblazing research in scientific computing and grows the next generation of leaders in applied mathematics. Past fellows have gone on to influential positions across academia, national laboratories, and industry. Argonne provides a collaborative, open-science environment where scientists from diverse disciplines join forces to tackle some of the most challenging problems in science and engineering. Fellow has access to world-leading extreme-scale computing resources and experimental facilities. We strongly value diversity in backgrounds, experiences, and perspectives, and encourage applications from all qualified candidates. The appointment is for one year and may be renewed for a second year. Fellows receive a highly competitive salary and a generous professional allowance to support travel, collaborations, and career development. For additional details, including a list of past recipients, see https://www.anl.gov/mcs/wilkinson . **Position Requirements** The J. H. Wilkinson Postdoctoral Fellowship is one of the most prestigious and competitive fellowships at Argonne National Laboratory, and the longest-running postdoctoral fellowship of its kind at the U.S. National Laboratories. It fosters cutting-edge, high-impact research in applied mathematics and scientific computing and has a distinguished history of launching long-term research careers at the highest level. The fellowship supports exceptional early-career scientists engaged in trailblazing research in scientific computing and grows the next generation of leaders in applied mathematics. Past fellows have gone on to influential positions across academia, national laboratories, and industry. Argonne provides a collaborative, open-science environment where scientists from diverse disciplines join forces to tackle some of the most challenging problems in science and engineering. Fellow has access to world-leading extreme-scale computing resources and experimental facilities. We strongly value diversity in backgrounds, experiences, and perspectives, and encourage applications from all qualified candidates. The appointment is for one year and may be renewed for a second year. Fellows receive a highly competitive salary and a generous professional allowance to support travel, collaborations, and career development. For additional details, including a list of past recipients, see https://www.anl.gov/mcs/wilkinson We are seeking applications from outstanding candidates who demonstrate: + Comprehensive knowledge of methods in applied and computational mathematics, computational statistics, or scientific machine learning. + Substantial knowledge of the physical sciences and advanced scientific computing. + Strong experience in interdisciplinary research involving mathematicians, computer scientists, and domain scientists. + Excellent collaborative skills, including the ability to engage productively with students and scientists at other laboratories and universities. **Education and Experience Requirements** + Candidates must have received a recent Ph.D. prior to the beginning of the appointment + Candidates must model Argonne's Core Values: Impact, Safety, Respect, Integrity, and Teamwork **Application Procedure** The application must include a single PDF containing all the following: + Curriculum vitae (including publications, significant presentations, and links to preprints and software) AND + A research proposal outlining a two-year self-directed research program, including a description of how it builds on the applicant's current research and interests **References** + After you apply, you will receive a request to upload the contact information for 3 professional references. It is helpful if you make them aware that the request is coming; your three required recommendation letters must be received by the deadline to be considered for this position. **Timeline** + Applications received on or before November 10, 2025, will receive full consideration. + Application review will begin immediately after the deadline and continue through January 5, 2026. + The interview process is expected to begin in early December, with the overall selection process concluding in late winter to early spring of 2026. **Job Family** Argonne Scholar **Job Profile** Argonne Scholar **Worker Type** Long-Term (Fixed Term) **Time Type** Full time The expected hiring range for this position is $82,807.00-$139,279.00. Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. Additionally, comprehensive benefits are part of the total rewards package. Click here (https://www.anl.gov/hr/healthcare-insurance) to view Argonne employee benefits! _As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law._ _Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department._ _All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment._