Computational Simulation Postdoctoral Appointee

Sandia National Laboratories

Albuquerque, NM

Job posting number: #7079170 (Ref:676579)

Posted: May 26, 2021

Job Description

This posting will be open for application submissions for a minimum of seven (7) calendar days, including the ‘posting date’. Sandia reserves the right to extend the posting date at any time. : Are you passionate about computer simulations? Do you dream of utilizing state-of-the-art high-performance computers to solve engineering challenges? Join a dynamic team that solves significant issues for our nation’s security! You could be the Postdoctoral Appointee we are seeking to join the Computational Simulation group as a member of the Sierra Thermal Fluids team. The Sierra Thermal Fluids team creates, improves, and productionizes computational simulation tools used by Sandia’s thermal and fluids analyst community to answer questions and solve problems of tremendous importance to our national security. Our broader Computational Simulation Group at Sandia, Organization 1540, is a team of researchers developing state of the art computational mechanics capabilities and deploying them for broad impact throughout DOE and DoD. This includes developing a variety of simulation codes (solid mechanics, fluid flow, structural dynamics, topology optimization, thermal, mesh generation, coupled codes) as well as developing the expertise to use these codes in ways that provide confidence in the generated results (validation and verification techniques). Our codes must run on the largest and most complex computers in the world, requiring expertise in computer science and its application. We operate in an integrated teaming environment as we produce the software, validate its correctness, and certify confidence of results. We are looking for strong candidates who can contribute, including researchers trained in computational thermal and fluid mechanics. We are also seeking researchers skilled in computer science, including advanced data structures for parallel machines, memory layout for hybrid next generation computer architectures, use of accelerators (e.g. GPUs), multi-threading or associated technologies.

+ PhD degree in Computer Science, Engineering or Math field + Experience with modern C++ programming within a UNIX/Linux environment + Excellent communication skills as evidenced by a history of publication of results in peer-reviewed journals and external presentations at appropriate scientific conferences + Ability to obtain and maintain a DoE Q clearance

+ Experience with thermal analysis and fluid mechanics software development + Experience with high-performance parallel computing, MPI, threads, GPUs, CUDA, Kokkos, and agile software development experience + Experience developing within large scale software applications + Experience teaming with other software developers and users of software + Experience with computer software engineering concepts + Experience with software quality and testing practices + Depth and breadth in several aspects of computational mechanics (e.g., equations solvers, element formulations, multi-scale approaches, data structures, coupled physics) + Strong background in applied mathematics, physics, computer science and software development + Ability to excel within an agile software development team room environment

Department Description:

The Computational Thermal and Fluid Mechanics Department (1541) develops advanced engineering analysis codes to execute on a variety of computing platforms from HPC machines at SNL, LANL and LLNL to desktop workstations. These codes will be used to perform highly detailed simulations for use in the design, development and qualification of nuclear weapons. We also intend to continue our Center's history of collaborating with outside government agencies and commercial enterprises. The code development efforts are focused at providing analysis tools for other departments in the Engineering Sciences Center and other strategic partners. The code areas are thermal analysis, participating media radiation, fire environments, and incompressible flow (with capillary hydrodynamics, drying, porous flow
-- multi-physics). The development teams also support work in solid mechanics, structural dynamics, and compressible flow. Code teams are typically six to twelve people, and strong interaction with the analysis teams is an important part of the code development process. Internal customers include the Defense Programs, Defense Systems and Assessments, and the Energy and Environment Sectors, in collaboration with other departments in the Center. In addition, the department has significant involvement with external industrial partners including industrial consortia.

About Sandia:

Sandia National Laboratories is the nation’s premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge work in a broad array of areas. Some of the main reasons we love our jobs: + Challenging work with amazing impact that contributes to security, peace, and freedom worldwide + Extraordinary co-workers + Some of the best tools, equipment, and research facilities in the world + Career advancement and enrichment opportunities + Flexible work arrangements for many positions include; 9/80 (work 80 hours every two weeks with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work and telecommuting (a mix of onsite work and working from home) + Generous vacations, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance* World-changing technologies. Life-changing careers. Learn more about Sandia at: *These benefits vary by job classification.

Security Clearance:

Sandia is required by DOE to conduct a pre-employment drug test and background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications. Applicants for employment need to be able to obtain and maintain a DOE Q-level security clearance, which requires U.S. citizenship. If you hold more than one citizenship (i.e., of the U.S. and another country), your ability to obtain a security clearance may be impacted. Applicants offered employment with Sandia are subject to a federal background investigation to meet the requirements for access to classified information or matter if the duties of the position require a DOE security clearance. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause a clearance to be denied or terminated by DOE, resulting in the inability to perform the duties assigned and subsequent termination of employment.

EEO Statement:

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status and any other protected class under state or federal law. : This postdoctoral position is a temporary position for up to one year, which may be renewed at Sandia's discretion up to five additional years. The PhD must have been conferred within five years prior to employment. Individuals in postdoctoral positions may bid on regular Sandia positions as internal candidates, and in some cases may be converted to regular career positions during their term if warranted by ongoing operational needs, continuing availability of funds, and satisfactory job performance.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

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