The Fuel Cells and Hydrogen Systems Section of the Transportation and Power Systems Division at Argonne National Laboratory has immediate openings for postdoctoral appointee. The successful candidates will engage in programs involving expertise in thermal-hydraulics modeling, chemical reaction engineering, electrochemical systems, system analysis, and advanced energy conversion systems for stationary and transportation applications. The candidate will work in developing analytical techniques and software relevant to ongoing projects in fuel cells for heavy-duty applications; interpreting analytical and experimental results; relating them to physical phenomena and engineering; and preparing progress reports, participating in and making technical presentations to the technical community. The candidate will engage in research related to fuel cells and electrochemical systems for stationary and transport applications. **Position Requirements** + PhD or equivalent in chemical or mechanical engineering, or an associated field. + Knowledge of fuel cell performance, durability, components and systems. + Knowledge of chemical and thermal processes. + Knowledge of electrochemical systems. + Knowledge of analyses of components and energy conversion systems. + Knowledge of computational techniques and numerical methods. + Knowledge of computer simulation and data analysis. + Knowledge of C/C++ language and parallel programming with MPI. Background in modeling of engineering systems. + Skills in using computer software such as COMSOL, Matlab, Simulink, Python and Excel. + Skilled in oral and written communications and presentations at all levels of the organization. + Ability to model Argonne’s core values of impact, safety, respect, integrity, and teamwork. + Ability to make our laboratory a safe, welcoming, inclusive, and accessible environment where all can thrive. Preferred Qualifications: + Familiarity with high performance computing (HPC) software platforms. + Ability to develop, optimize, test and run large-scale parallel applications on HPC systems. **Job Family** Postdoctoral Family **Job Profile** Postdoctoral Appointee **Worker Type** Long-Term (Fixed Term) **Time Type** Full time _As an equal employment opportunity and affirmative action employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a diverse and inclusive workplace that fosters collaborative scientific discovery and innovation. In support of this commitment, Argonne encourages minorities, women, veterans and individuals with disabilities to apply for employment. Argonne considers all qualified applicants for employment without regard to age, ancestry, citizenship status, color, disability, gender, gender identity, gender expression, genetic information, marital status, national origin, pregnancy, race, religion, sexual orientation, veteran status or any other 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._