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Postdoctoral Appointee – Multiphysics Modeling of Nuclear/Chemical Systems

Argonne National Laboratory
Lemont, IL Full Time
POSTED ON 1/28/2026 CLOSED ON 2/26/2026

What are the responsibilities and job description for the Postdoctoral Appointee – Multiphysics Modeling of Nuclear/Chemical Systems position at Argonne National Laboratory?

The Postdoctoral Appointee will be part of an R&D group developing multiphysics modeling tools with applications to nuclear fuel recycling, critical materials recovery and purification, and nuclear nonproliferation.

With guidance, the appointee will:

  • Develop advanced multiscale, multiphysics simulation tools relevant to the modeling of processes involving combined nuclear, chemical, and electrochemical phenomena
  • Create new reduced-order models and submodels related to fluid flow, heat transfer, thermochemistry, and electrochemistry in reactive systems
  • Use modeling tools such as computational fluid dynamics (CFD) to develop and optimize new processes and equipment designs using high-performance computing
  • Develop process- and facility-scale models as the foundation for digital twins of chemical processing facilities with relevance to critical materials and nuclear reprocessing
  • Analyze data, prepare manuscripts for submission to peer-reviewed publications, prepare technical reports for sponsors, and attend and make presentations at scientific meetings
  • Communicate effectively with supervisors, peers, and Laboratory management through status updates, technical research reports, project presentations, and other regular channels.

Position Requirements

  • A formal education in chemical engineering, mechanical engineering, or a related field at the PhD level with zero to five years of experience.
  • To perform the essential functions of this position successful applicants must provide proof of U.S. citizenship and must be able to obtain and maintain a security clearance, which is required to comply with federal regulations and contract.
  • Skill in modeling, processing, and analyzing computational results to inform accompanying experimental efforts.
  • Skill in the use of modern collaborative coding practices
  • Demonstrated experience with the application of multiphysics modeling to model complex physical phenomena
  • Strong interpersonal, written, and oral communication skills.
  • Ability to model Argonne’s Core Values: Impact, Safety, Respect, Integrity, and Teamwork.

Job Family

Postdoctoral

Job Profile

Postdoctoral Appointee

Worker Type

Long-Term (Fixed Term)

Time Type

Full time

The expected hiring range for this position is $72,879.00-$121,465.00.

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 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.

Salary : $72,879 - $121,465

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