Organizational Chart
Click the link below to download the National Center for Computational Sciences (NCCS) organizational chart which houses the Oak Ridge Leadership Computing Facility (OLCF).
Download Org Chart (Updated June 2020)

Advanced Computing for Chemistry & Materials Group
The Advanced Computing for Chemistry & Materials Group partners with HPC and data analytics users in the chemical and materials sciences.

Advanced Computing for Life Sciences & Engineering
The Advanced Computing for Life Sciences and Engineering Group partners with HPC and data analytics users of NCCS resources to maximize scientific output of computing allocations through expert knowledge in …
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Advanced Computing for Nuclear, Particles, & Astrophysics
The Advanced Computing for Nuclear, Particles, & Astrophysics Group partners with HPC and data analytics users in nuclear physics, such as nuclear structure and quantum chromodynamics; high energy physics, such …
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Data Lifecycle & Scalable Workflows
The Data Lifecycle & Scalable Workflows Group enables data stewardship and enriched scalable data access capabilities, and develops end-to-end scientific workflow technologies to user programs.

HPC Clusters
The HPC Clusters Group administers and supports the division’s large-scale cluster computing infrastructure, which includes system installation, deployment, acceptance, performance testing, upgrades, problem diagnosis, and troubleshooting.

HPC Infrastructure & Networking
The HPC Infrastructure & Networking Group designs, implements, and operates all infrastructure systems and networking services in a that are common to all other systems groups within NCCS, such as …
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HPC Infrastructure Operations
The HPC Infrastructure Operations Group provides continuous monitoring, issue triaging and escalation, and general support of critical computational and facilities-related infrastructure.

HPC Storage & Archive
The HPC Storage and Archive group is responsible for the high-performance scratch and archival storage systems across the various programs in NCCS. Our work entails the entire lifecycle of high-performance …
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User Access, Outreach, and Communications
The Outreach & Communications Group Develops and maintains communication materials for use with and by the NCCS sponsors and program managers that showcase NCCS capabilities and user research accomplishments.

System Acceptance and User Environment
The System Acceptance and User Environment Group ensures the functionality, performance, and usability of new NCCS systems through activities such as test development, acceptance, software installation, documentation, and early user …
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User Assistance
The User Assistance Group provides technical support and promotes effective use of NCCS HPC resources through direct support, training, documentation, advocacy, and communication.

Center Leadership
The OLCF leadership team guides the overall vision of the center and manages its day-to-day operations. The team supervises system installations and upgrades, oversees research on the supercomputers, plans and …
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HPC Cybersecurity & Information Engineering
The HPC Cybersecurity & Information Engineering Group develops tools and administers data management platforms to extract and analyze telemetry, event logs, and system state information to ensure security and laboratory …
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HPC Scalable Systems
The HPC Scalable Systems Group administers and supports system installation, deployment, acceptance, performance testing, upgrades, problem diagnosis, and troubleshooting of HPC computational resources.

Analytics and AI Methods at Scale
The Analytics and AI Methods at Scale Group develops and deploys emerging large-scale data science and AI methods for scientific user programs and enables innovation through operational data analytics.

Algorithms & Performance Analysis
The Algorithms & Performance Analysis Group partners with HPC and data analytics users on algorithmic and performance improvements and characterizes application performance and application requirements.

Technology Integration
The Technology Integration (TechInt) group is charged with delivering new technologies into the Leadership Computing Facility (OLCF) by identifying gaps in the system software and hardware stack and develop, harden, …
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Software Services Development
The Software Services Development Group develops and maintains large software applications and services used by the staff and end-users of the division’s computational ecosystem.