Join the National Center for Computational Sciences and work with a diverse, passionate, and innovative team pushing the boundaries of high-performance computing. Whether you’re just starting your career or are a seasoned scientist looking for new challenges, we have opportunities to contribute to breakthrough science with global impact.
Current Open Positions
ORNL is an equal opportunity employer; learn more. All qualified candidates, including individuals with disabilities and protected veterans, are encouraged to apply.
Postdoctoral Research Associate – Computational Astrophysics
NCCS is hiring a Postdoctoral Research Associate to join the Computational Astrophysics team. This role will focus on state-of-the-art simulations for core-collapse supernovae and developing the next generation of simulation code and analysis tools while analyzing the results of current simulations.
Group Leader, HPC System Acceptance & User Environment
The System Acceptance & User Environment is seeking a Group Leader. This group ensure the functionality and usability of new NCCS systems through activities such as test development, acceptance testing, software installation, system benchmarking, documentation, and early user support for pre-production systems.
HPC Engineer – System Acceptance and User Environment (Hybrid Eligible)
The System Acceptance and User Environment group is hiring an HPC Engineer to support the functionality, performance, and usability of new high-performance computing systems in NCCS through activities such as test development, acceptance, software installation, documentation, and early user support.
Postdoctoral Research Associate – Quantum Computing for Fluid Dynamics
The Science Engagement section is hiring a Postdoctoral Research Associate to collaborate with leading computer and computational scientists at ORNL and the quantum computing community and in the development and application of new computational techniques specifically targeted at key DOE Office of Science missions.
Senior Site Reliability Engineer
The Senior Site Reliability Engineer will support all activities of the NCCS supercomputer center. The primary platform is the OLCF Slate Service, built on Kubernetes and Red Hat OpenShift, which provides a container orchestration service for running critical operation applications and user-managed persistent applications that run alongside the OLCF supercomputer systems and other OLCF-managed HPC clusters.
Associate Site Reliability Engineer
The Site Reliability Engineer will support all activities of the NCCS supercomputer center. The primary platform is the OLCF Slate Service, built on Kubernetes and Red Hat OpenShift, which provides a container orchestration service for running critical operation applications and user-managed persistent applications that run alongside the OLCF supercomputer systems and other OLCF-managed HPC clusters.
HPC Engineer, User Assistance – Entry Level (Hybrid Eligible)
The User Assistance is seeking an HPC engineer to join the group. User Assistance provides technical support for advanced computing resources and workflows, including HPC and quantum, generates documentation about NCCS resources, and develops and delivers training to users of the center's resources. UA staff also develop tools and technical solutions and serve as ambassadors for users and the rest of the organization.
Senior HPC Linux Clusters Engineer (Hybrid Eligible)
The HPC Clusters Group administers and supports the NCCS's HPC computing infrastructure, which includes system installation, deployment, acceptance, performance testing, upgrades, problem diagnosis, and troubleshooting. The successful candidate will support numerous activities of the center, including implementing best practices and standards, assisting with designing, building, and maintaining HPC Linux systems, diagnosing system operational problems, and more.
Site Reliability Engineer, HPC Infrastructure and Platforms
The Site Reliability Engineer will support all activities of the NCCS supercomputer center. The primary platform is the OLCF Slate Service, built on Kubernetes and Red Hat OpenShift, which provides a container orchestration service for running critical operation applications and user-managed persistent applications that run alongside our OLCF Supercomputer systems and other OLCF supported HPC clusters.
Senior HPC Linux Clusters Engineer
The HPC Clusters Group administers and supports the NCCS's HPC computing infrastructure, which includes system installation, deployment, acceptance, performance testing, upgrades, problem diagnosis, and troubleshooting. The successful candidate will support numerous activities of the center, including implementing best practices and standards, assisting with designing, building, and maintaining HPC Linux systems, diagnosing system operational problems, and more.
Computational Scientist – Artificial Intelligence (Hybrid Eligible)
The Advanced Computing for Chemistry and Materials Group is seeking a Computational Scientist - Artificial Intelligence to serve as a liaison between NCCS and the users of the NCCS computing resources and relevant vendor partners, providing deep technical expertise in high performance computing that can be applied to a diverse range of scientific disciplines.
Division Director, National Center for Computational Sciences
The National Center for Computational Sciences is ORNL's outward facing high-performance computing enterprise anchored by DOE's Oak Ridge Leadership Computing Facility. It deploys and supports multiple leadership computing, storage, modeling, simulation, and data analytics programs for US government agencies, including the DOE among others. This high-profile position is responsible for maintaining a world-class infrastructure that enables world-class computational and data-intensive science, the continued deployment of leadership-class systems, and the delivery of high scientific efficiency.
Postdoctoral Research Associate – Scientific Imaging
The Advanced Computing for Life Science & Engineering is seeking a postdoctoral research associate interested in and capable of performing leading-edge computational science research and development with a focus on computational imaging. Areas of specific interest include use of high-performance computing for imaging-based machine learning applications.