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Oak Ridge National Laboratory Tech Stack

Government research lab advancing HPC, energy science, and national security

Research Services Oak Ridge, TN 5,001–10,000 employees Founded 1943 Government Agency

Oak Ridge National Laboratory operates as a multi-disciplinary government research institution managing exascale computing infrastructure, nuclear science, and energy systems work for the Department of Energy. The tech stack—PyTorch, TensorFlow, HPC clusters, GPU acceleration, and Kubernetes orchestration—reflects active investment in large-scale simulation and machine learning workloads. Engineering and research hiring (123 roles) outpaces ops and security (21 roles), consistent with a lab transitioning containerized workloads (Docker adoption, LabVIEW replacement) while scaling toward exascale deployment and geospatial computing.

Tech Stack 146 technologies

Core StackPyTorch TensorFlow MATLAB Python Linux Jira Confluence Slack Kubernetes OpenShift ArgoCD C/C++ PSCAD PSS/E Opal-RT RTDS DSP FPGA GPU HPC NIST UNIX Teams Lustre Spectrum Scale BeeGFS WEKA Ceph Qumulo NetApp+113 more
AdoptingDocker OpenAPI
ReplacingLabVIEW Rockwell Automation

What Oak Ridge National Laboratory Is Building

Challenges

  • Optimizing system performance
  • Improving reliability of facility systems
  • Ensuring hpc security compliance
  • Optimizing throughput
  • Building a new geospatial data center
  • Integrating new technologies into grid
  • Ensuring grid reliability
  • Reducing costs for utilities
  • Improving security, performance, reliability
  • Ensuring safety compliance

Active Projects

  • Plasma-based enrichment technology development
  • Geospatial data & computing center
  • Simulation algorithm development for large-scale simulations
  • Design hpc systems
  • Essential facility maintenance and outage activities
  • Implementation of scalable numerical algorithms on hpc architectures
  • Exascale-class infrastructure deployment
  • Advanced manufacturing computational models
  • Doe better plants program
  • Azure power apps development

Hiring Activity

Accelerating170 roles · 90 in 30d

Department

Engineering
73
Research
50
Ops
13
Security
8
Communications
4
Manufacturing
3
Finance
2
HR
2

Seniority

Senior
79
Mid
52
Lead
11
Staff
6
Director
4
Junior
4
Manager
4
Intern
2

Notable leadership hires: Associate Laboratory Director, Division Director, Executive Director, Managing Director, Section Head

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About Oak Ridge National Laboratory

Oak Ridge National Laboratory is a government research agency operated by UT-Battelle under Department of Energy direction. The lab conducts basic and applied research across computing, nuclear energy, neutron science, fusion, biosciences, and materials chemistry. ORNL maintains responsibility for isotope production, information management, and technical program management alongside research delivery to external organizations. Active projects span plasma enrichment technology, exascale-class infrastructure deployment, advanced manufacturing simulation, grid integration, and geospatial computing infrastructure. The organization spans 5,001–10,000 employees based in Oak Ridge, Tennessee, with hiring concentrated in engineering and research roles.

HeadquartersOak Ridge, TN
Company Size5,001–10,000 employees
Founded1943
Hiring MarketsUnited States

Frequently Asked Questions

What is Oak Ridge National Laboratory's tech stack?

ORNL uses PyTorch, TensorFlow, C/C++, Python, MATLAB for compute; HPC, GPU, and FPGA for acceleration; Kubernetes, OpenShift, ArgoCD for orchestration; Lustre, Spectrum Scale, Ceph for storage; and Jira, Confluence, Teams for collaboration. Currently adopting Docker and OpenAPI while replacing LabVIEW and Rockwell Automation tools.

What projects is Oak Ridge National Laboratory working on?

Active projects include plasma-based enrichment technology, exascale-class infrastructure deployment, HPC system design, geospatial data center build-out, large-scale simulation algorithms, advanced manufacturing computational models, and grid integration and reliability work under the DOE Better Plants program.

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