Job Description

**What You Will Do** **Research Assistant - Parallelization of LBM-DEM for Particle-Laden Flows** The T-3: Fluid Dynamics and Solid Mechanics Group in Theoretical Division at Los Alamos National Laboratory is seeking a motivated Post-Bachelor/Master Research Assistant to join our research on high-performance computing for particle-laden flows. The successful candidate will work on developing parallelized Lattice Boltzmann Method-Discrete Element Method (LBM-DEM) and advanced coupling models for particle-fluid interactions in complex flow environments. Responsibilities: + Contribute to the parallelization and optimization of existing LBM-DEM codes for large-scale simulations on modern HPC architectures (CPU and GPU). + Conduct performance benchmarking, profiling, and code scaling analysis. + Collaborate with team members to integrate new physical models and numerical algorithms. + Document code development and prepare technical reports or publications. **What You Need** **Minimum Job Requirements:** + **Bachelor's or Master's degree in Applied Mathematics, Mechanical Engineering, Computer Science or related field completed within the past three years (or soon to be completed).** + **Experience with C/C++ or Fortran programming.** + **Familiarity with parallel programming (MPI, OpenMP, CUDA or OpenACC).** + **Basic understanding of computational methods (e.g., CFD, LBM, DEM).** + **Must have earned an Associate's or a Bachelor's degree from an accredited institution (or international equivalent) within the last 3 years in an appropriate field** + **Must have graduated with a cumulative GPA of 2.75 or above on a 4.0 scale (or equivalent).** **Desired Qualifications:** + Experience with high-performance computing (HPC) environments or large-scale simulations. + Knowledge of LBM and DEM. Opportunities: This position offers the chance to work in a highly collaborative environment at LANL. The candidate will gain experience in HPC software development, advanced numerical modeling, and multiphysics simulations, contributing to next-generation predictive tools for particle-laden flow systems. 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. Position commitment: Full-time, three-month term (renewable upon performance and funding) Note to Applicants: Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People's Republic of China, the Islamic Republic of Iran, the Democratic People's Republic of 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 Northern New Mexico, Los Alamos National Laboratory (LANL) is a multidisciplinary research institution engaged in strategic science on behalf of national security. LANL enhances national security by ensuring the safety and reliability of the U.S. nuclear stockpile, developing technologies to reduce threats from weapons of mass destruction, and solving problems related to energy, environment, infrastructure, health, and global security concerns. 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. Incentive Compensation Program: For general program information refer to the Student Programs web page: 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 applicable 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 a disability accommodation, email applyhelp@lanl.gov or call (505) 664-6947, opt. 3. 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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Permanent employment, Full time, For contractors, Local area, Relocation, Flexible hours,

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