Los Alamos National Laboratory

What You Will Do

Join a dynamic team of scientists tackling some of the most pressing energy and environmental challenges of our time. The Computational Hydrogeology and Energy Systems in the Subsurface (CHESS) Team within the Earth and Environmental Sciences Division at Los Alamos National Laboratory is seeking outstanding postdoctoral candidates in computational subsurface hydrogeology. The CHESS team develops and applies high-fidelity computational physics models to advance scientific understanding of subsurface systems with applications to carbon storage, geothermal energy, and nuclear waste disposal -work that directly supports the Laboratory's mission of solving national security challenges through cutting-edge scientific innovation.

You will contribute to research at the intersection of subsurface flow and transport modeling, reactive geochemistry, and machine learning. Specific research directions may include:

• Discrete fracture network (DFN) modeling using the dfnWorks software platform
• Coupled thermo-hydro-mechanical-chemical (THMC) process simulation
• Single- and multiphase flow in fractured and porous media using FEHM
• Carbon mineralization and reactive transport in subsurface systems
• Application of machine learning and foundation models to subsurface energy systems

You will publish results in peer-reviewed journals, present work at national and international conferences, and collaborate within a multidisciplinary, integrated research team -helping shape the future of subsurface energy science along the way..

What You Need

Minimum Job Requirements:

Candidates with a strong background in one or more of the following areas are invited to apply:

• Computational subsurface flow and transport modeling
• Applied mathematics and numerical analysis or computational science
• Proficiency in multiple programming languages, such as Fortran, C++, Python, or Julia
• Code development experience using modern software engineering practices in research or HPC environments (git and continuous integration)
• Demonstrated potential for peer-reviewed publication
• Excellent written and oral communication skills in English, demonstrated through the ability to clearly convey complex technical information

Desired Qualifications:

• LocateNumerical simulation of coupled THMC processes
• Experience with discrete fracture network (DFN) modeling
• Computational geochemistry
• Upscaled transport modeling (reactive and non-reactive)
• High-performance computing (MPI, parallel workflows, and/or GPUs)
• Uncertainty quantification methods
• Machine learning applied to geoscience or subsurface systems
• Data and model visualization using tools such as ParaView, VisIt, or EarthVision
• Ability to obtain and maintain a DOE Q clearance

Education

A Ph.D. in Computational Hydrology, Applied Mathematics, Computational Physics, Geological Engineering, or a related field is required. The candidate must have completed all Ph.D. requirements by commencement of the appointment and be within 5 years of Ph.D. completion.

Work Environment:

Work Location: The work location for this position is onsite and located in Los Alamos, NM. All work locations are at the discretion of management.

Note to Applicants:

To apply, please submit an online application, including your CV and a one-page cover letter. The cover letter should include a short biography (2-3 sentences), research interests, and future career goals. Please address how you meet each of the minimum job requirements and any desired skills, if applicable.

If you have any specific questions, contact Dr. J. D. Hyman (jhyman@lanl.gov).

Compensation and Appointment

Initial postdoctoral appointments are for two years and are renewable for a third year. Salaries are competitive and commensurate with experience. Outstanding candidates may be eligible for a LANL Director's Fellowship, or one of the prestigious named fellowships: Marie Curie, Richard P. Feynman, J. Robert Oppenheimer, or Frederick Reines.

For general information on postdoctoral opportunities at LANL, visit: http://www.lanl.gov/careers/career-options/postdoctoral-research/index.php

Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People's Republic of China-including the special administrative regions of Hong Kong and Macau-as well as citizens of the Islamic Republic of Iran, the Democratic People's Republic of Korea (North Korea), and the Russian Federation, who are not Lawful Permanent Residents ("green card" holders) are prohibited from accessing facilities that support the mission, functions, and operations of national security laboratories and nuclear weapons production facilities, which includes Los Alamos National Laboratory.

Where You Will Work

Located in the mountains of northern New Mexico near Santa Fe, Los Alamos National Laboratory is a multidisciplinary research institution engaged in strategic science on behalf of national security. The Earth and Environmental Sciences Division conducts world-leading research on subsurface systems, climate, and environmental processes. The CHESS team offers a dynamic and collaborative research environment with access to world-class computational resources, including leadership-class supercomputing facilities. Our generous benefits package includes:

• PPO or High Deductible medical insurance with the same large nationwide network
• Dental and vision insurance
• Free basic life and disability insurance
• Paid childbirth and parental leave
• Award-winning 401(k) (6% matching plus 3.5% annually)
• Learning opportunities and tuition assistance
• Flexible schedules and time off (PTO and holidays)
• Onsite gyms and wellness programs
• Extensive relocation packages (outside a 50 mile radius)

Additional Details

Directive 206.2 - Employment with Triad requires a favorable decision by NNSA indicating employee is suitable under NNSA Supplemental Directive 206.2. Please note that this requirement applies only to citizens of the United States. Foreign nationals are subject to a similar requirement under DOE Order 142.3A.

No Clearance: Position does not require a security clearance. Selected candidates will be subject to drug testing and other pre-employment background checks.

New-Employment Drug Test: The Laboratory requires successful applicants to complete a new-employment drug test and maintains a substance abuse policy that includes random drug testing. Although New Mexico and other states have legalized the use of marijuana, use and possession of marijuana remain illegal under federal law. A positive drug test for marijuana will result in termination of employment, even if the use was pre-offer.

Internal Applicants: Regular appointment employees who have served the required period of continuous service in their current position are eligible to apply for posted jobs throughout the Laboratory. If an employee has not served the required period of continuous service, they may only apply for Laboratory jobs with the documented approval of their Division Leader. Please refer to Policy Policy P701 for applicant eligibility requirements.

Equal Opportunity: Los Alamos National Laboratory is an equal opportunity employer. All employment practices are based on qualification and merit, without regard to protected categories such as race, color, national origin, ancestry, religion, age, sex, gender identity, sexual orientation, marital status or spousal affiliation, physical or mental disability, medical conditions, pregnancy, status as a protected veteran, genetic information, or citizenship within the limits imposed by federal, state, and local laws and regulations. The Laboratory is also committed to making our workplace accessible to individuals with disabilities and will provide reasonable accommodations, upon request, for individuals to participate in the application and hiring process. To request such an accommodation, please send an email to applyhelp@lanl.gov or call (505)-664-6947.

Instructions on How to Activate/ Create a LANL Jobs Account:

Follow the instructions below if you have ever had an employee Z number, been a contractor, or received Los Alamos Lab insurance coverage to activate your account:

• Select the Click Here button if you have been employed with the Lab or received insurance coverage.
• Please enter only your first and last name and current email address (an email with your validation code will be sent to you) to activate the account currently in our system.
• Enter your validation code as described in the email you receive and complete the 3-page registration form. Your account is now active, and you can apply for jobs or save to your basket. Important: Enter the validation code within 15 days to activate your account or your account will be deactivated.

Follow the instructions below if you if you have never been employed with the Lab or received insurance coverage to create an account:

• Select the Register button if you have never been employed with the Lab or received insurance coverage to Create an Account.
• From here, you will establish an account with username and password.

How to Apply: Login to Your Account to Complete the Application Process

• Click the Vacancy Name number (in blue) to view any job's details.
• Click Apply or Add to Basket to apply later. Tip: To apply for a job or save your basket, you must have a LANL jobs account.

If you experience any technical issues, please email applyhelp@lanl.gov for assistance.

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