Oak Ridge National Laboratory
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Postdoctoral Research Associate in Peatland Modeling and Earth System Modeling Oak Ridge National Laboratory in United States
Degree Level
Postdoc
Field of study
Computer Science
Funding
Postdoctoral appointment up to 24 months with potential for extension, subject to performance and availability of funding. ORNL offers competitive pay and benefits; relocation assistance and standard employee benefits are mentioned, but no stipend amount is provided.
Country
United States
University
Oak Ridge National Laboratory

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About this position
Oak Ridge National Laboratory (ORNL) is recruiting a Postdoctoral Research Associate in Peatland Modeling within the Environmental Sciences Division and the Earth Systems Modeling Group.
The role supports the Terrestrial Ecosystem Science Scientific Focus Area and focuses on development and evaluation of the Energy Exascale Earth System Model land component (ELM) and its peatland-specific configuration (ELM-Peatlands). Research topics include nutrient cycling (nitrogen and phosphorus), coupling with hydrological and ecosystem processes, model benchmarking, uncertainty quantification, and integration of observational datasets.
The post also emphasizes interdisciplinary work at the interface of ecological modeling, land surface modeling, biogeochemistry, and emerging AI/ML methods. The successful candidate will work with datasets from SPRUCE, AmeriFlux towers, remote sensing, soil biogeochemistry, flux measurements, and plant trait observations, and will collaborate with DOE-supported researchers and the broader E3SM / Environmental System Science community.
Eligibility highlights: Ph.D. in Earth sciences, environmental sciences, atmospheric sciences, or a closely related field; degree completed or expected within six months; Ph.D. must have been earned within the last five years; experience with HPC, Fortran/Python/R, large data analysis, and terrestrial biogeochemistry is required. Preferred experience includes E3SM or CESM land modeling, peatland/wetland/high-latitude ecosystem biogeochemistry, AI/ML for environmental data, and multi-source observational synthesis.
Funding and appointment: The appointment is up to 24 months with possible extension, depending on performance and funding availability. ORNL notes competitive pay and benefits, but no specific stipend amount is listed.
How to apply: Apply via the ORNL jobs portal using the direct application link. Submit three letters of reference; they can be uploaded with the application or emailed to [email protected] with the position title and number in the subject line. For application issues, contact [email protected].
Funding details
Postdoctoral appointment up to 24 months with potential for extension, subject to performance and availability of funding. ORNL offers competitive pay and benefits; relocation assistance and standard employee benefits are mentioned, but no stipend amount is provided.
What's required
A Ph.D. in Earth sciences, environmental sciences, atmospheric sciences, or a closely related field, completed or expected within six months. Applicants must have received the Ph.D. no more than five years prior to the application date and must complete all degree requirements before starting. Required experience includes ecological modeling and/or land surface modeling, working in an HPC environment, programming in Fortran, Python, or R, manipulating and analyzing large observational data or model outputs, knowledge of terrestrial biogeochemistry and nutrient-cycling processes, and strong communication skills. Preferred experience includes E3SM or CESM land model work, peatland/wetland/high-latitude ecosystem biogeochemistry, AI/ML methods for environmental data or model calibration, and multi-source observational dataset synthesis.
How to apply
Apply through the ORNL jobs portal. Submit the required application materials and include three letters of reference; letters may be uploaded directly or emailed to [email protected] with the position title and number in the subject line. If you have trouble applying, contact [email protected].
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