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Research Associate

Company: Pacific Northwest National Laboratory
Location: RICHLAND
Posted on: May 3, 2021

Job Description:

**Organization and Job ID**

Job ID: 311979

Directorate: Energy and Environment

Division: Earth Systems Science

Group: Environmental Subsurface Science

**Job Description**

The Subsurface Fate and Transport Modeling Team within the Environmental Subsurface Science Group is seeking applications for a Post-Doctoral Research Associate position developing state of the art simulation tools for subsurface science. Successful applicants will employ novel numerical methods to code new geoscientific process models, discretization techniques and/or parameter inversion capability within the open source PFLOTRAN simulator through laboratory and federally funded research programs. They will collaborate with researchers employing PFLOTRAN to simulate real-world subsurface applications (fate and transport of contaminants at DOE sites, nuclear waste repository performance assessment, engineered thermo-hydro-chemical system systems, etc.).

Through their research, the associate will develop an internal and external network of collaborators and project partners and participate in professional societies at the regional and national level. The associate is expected demonstrate commitment to data quality and accuracy, strong written and oral communication skills, as evidenced by high-impact peer-reviewed publications and conference presentations, and be able to work independently and in a team setting. The applicant must demonstrate a strong ethic of service to the scientific community and a commitment to both scientific excellence and national impact on developing transformative science and technology solutions relevant to our nation's energy security and prosperity. Finally, the position requires that the associate complies with PNNL policies regarding environmental health and safety, waste management, and protection of intellectual property.

The position is immediately available for 12 to 24 months, with the potential for an additional 12 months or transition to a permanent position, dependent upon available funding and sustained performance.

**Minimum Qualifications**

Candidates must have received a PhD within the past five years (60 months) or within the next 8 months from an accredited college or university.

**Preferred Qualifications**

The candidate must have experience applying numerical methods to develop simulation tools.

Have received a PhD in computational science, engineering, geosciences, or applied mathematics

Preferred qualifications include:

+ Experience simulating groundwater flow, reactive transport, or multiphase flow within the Earth's subsurface

+ Experience with automatic differentiation, data assimilation or inverse modeling

+ Experience implementing block structured grid refinement, unstructured gridding, or high-order discretization schemes

+ Experience coupling geophysics to subsurface flow and transport

+ Demonstrated proficiency with object-oriented programming using modern Fortran or C/C++ and Python scripting (e.g. H5py, Matplotlib, NumPy, pandas, SciPy)

+ Experience developing and running PFLOTRAN

+ Experience developing open source software using continuous integration (distributed version control, automated testing, etc.)

**Equal Employment Opportunity**

Battelle Memorial Institute (BMI) at Pacific Northwest National Laboratory (PNNL) is an Affirmative Action/Equal Opportunity Employer and supports diversity in the workplace. All employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, veteran status, marital or family status, sexual orientation, gender identity, or genetic information. All BMI staff must be able to demonstrate the legal right to work in the United States. BMI is an E-Verify employer. Learn more at jobs.pnnl.gov.

If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via https://jobs.pnnl.gov/help.stm

**_Please be aware that the Department of Energy (DOE) prohibits DOE employees and contractors from having any affiliation with the foreign government of a country DOE has identified as a "country of risk" without explicit approval by DOE and Battelle. If you are offered a position at PNNL and currently have any affiliation with the government of one of these countries you will be required to disclose this information and recuse yourself of that affiliation or receive approval from DOE and Battelle prior to your first day of employment._**

_Directorate:_ _Energy & Environment_

_Job Category:_ _Post-Graduates and Post-Docs_

_Group:_ _Environmental Subsurface Sci_

_Opening Date:_ _2021-04-12_

_Closing Date:_ _2021-05-12_

Keywords: Pacific Northwest National Laboratory, Richland , Research Associate, Other , RICHLAND, Washington

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