Postdoc - Turbulence modeling for complex multi-physics flows

Posting Title

Postdoc Turbulence modeling for complex multi-physics flows

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Location

CO - Golden

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Position Type

Postdoc (Fixed Term)

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Hours Per Week

40

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Mandatory COVID-19 Vaccination Protocols

Employment at NREL is contingent upon your compliance with all NREL and U.S. Department of Energy (DOE) safety protocols and mitigation efforts directed at the COVID-19 pandemic. At present, NREL requires all employees to be immunized against COVID-19. However, employees may seek an exemption from this requirement as an accommodation for religious or medical reasons. Upon hire, new employees must submit a request for accommodation or be prepared to provide proof of vaccination on your first day of employment. Those without proof of vaccination may be required to participate in weekly testing for access to an NREL site.

Working at NREL

The National Renewable Energy Laboratory (NREL), located at the foothills of the Rocky Mountains in Golden, Colorado is the nation's primary laboratory for research and development of renewable energy and energy efficiency technologies.

From day one at NREL, youll connect with coworkers driven by the same mission to save the planet. By joining an organization that values a supportive, inclusive, and flexible work environment, youll have the opportunity to engage through our eight employee resource groups, numerous employee-driven clubs, and learning and professional development classes.

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Job Description

The High-Performance Algorithms and Complex Fluids (HPACF) Group in NRELs Computational Science Center has an opening for a postdoctoral position in computational fluid dynamics with an emphasis on code development and turbulence modeling for complex multi-physics flows.

The successful candidate will collaborate with researchers at NREL and other national laboratories, universities, and industrial partners in efforts to develop computational solutions at scale for real world questions and problems in renewable energy research. NREL has been developing several exascale codes that treat atmospheric boundary layer flows, internal and external flows in complex geometries and in the presence of reactions: this position will contribute to active R&D to improve the fidelity, performance and capabilities of these codes as they transition from development to execution to address practical challenges in clean energy.

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Basic Qualifications

Must be a recent PhD graduate within the last three years.

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Additional Required Qualifications

• Demonstrated skills in simulation and modelling of turbulence
• Ability to communicate with a wide range of stakeholders
• Experience with direct numerical simulation (DNS), large eddy simulation (LES), and/or Reynolds-Averaged Navier-Stokes (RANS)
• Experience and research track record pertinent to subgrid scale models for turbulent flows
• Research-focused doctoral degree or equivalent research experience
• Experience proposing, conducting, and publishing novel original scientific research and developing original research concepts and strategies
• An interest in emerging architectures and methods to leverage new computational methods to advance fundamental and applied research
• Experience programming in modern C++ and demonstrated skills in modern software development (e.g., automated testing, version control, build systems)

Preferred Qualifications

• Experience writing, programming, debugging, and troubleshooting code for extreme scale computing hardware platforms.
• Expert programming skills in C++, MPI, OpenMP, and a working understanding of GPU accelerator programming using CUDA and HIP compilers
• Familiarity with foundational, statistical and machine learning concepts such as reinforcement learning, supervised learning, generative approaches, optimization, regression models, uncertainty quantification, Bayesian analysis, model selection, clustering, outlier detection, etc.
• Experience in data management on diverse data sets. Specifically, loading, filtering, organizing, transforming, and generally preparing large datasets for scientific analysis
• Sufficient software engineering expertise to enable collaborative development of production-quality solutions: object-oriented design, coding, and testing patterns; engineering software platforms and large-scale data infrastructures. Candidates should also have experience programming in scripted languages, such as Python and R
• Ability to demonstrate advanced, existing skills and experience in applying data science in industry, academia, and government settings
• Ability to demonstrate ability to interface between experimental and computational teams to achieve research objectives
• Ability to demonstrate, through prior work, an ambition/enthusiasm for pursuing novel research directions in NREL/DOE mission critical areas.
• Commitment to engaging with and the community of NREL postdocs from across the lab
• Mentorship experience and demonstration of commitment to inclusion; interest in mentoring graduate student interns

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Annual Salary Range (based on full-time 40 hours per week)

Job Profile: Postdoctoral Researcher-Computational Sciences / Annual Salary Range: $69,400 - $114,500

NREL takes into consideration a candidates education, training, and experience, as well as the position's work location, expected quality and quantity of work, required travel (if any), external market and internal value, including seniority and merit systems, and internal pay alignment when determining the salary level for potential new employees. In compliance with the Colorado Equal Pay for Equal Work Act, a potential new employees salary history will not be used in compensation decisions.

Benefits Summary

Benefits include medical, dental, and vision insurance; short-term disability insurance ; pension benefits ; 403(b) Employee Savings Plan with employer match*; life and accidental death and dismemberment (AD&D) insurance; personal time off (PTO) and sick leave; and paid holidays. NREL employees may be eligible for, but are not guaranteed, performance-, merit-, and achievement- based awards that include a monetary component. Some positions may be eligible for relocation expense reimbursement.

* Based on eligibility rules

Submission Guidelines

Please note that in order to be considered an applicant for any position at NREL you must submit an application form for each position for which you believe you are qualified. Applications are not kept on file for future positions. Please include a cover letter and resume with each position application.

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