Computing at LLNL
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At a Glance

Discovery science and technical innovation

Computing at LLNL advances scientific discovery through foundational and innovative research; mission-driven data science; complex modeling, simulation, and analysis on powerful supercomputers; and creative technologies and software solutions. Everything at Livermore is Team Science. Thus, Computing is at the heart of many of LLNL’s most compelling national security and scientific efforts:

  • Operating one of the world’s largest HPC data centers
  • Deploying research and supercomputers to mitigate COVID-19
  • Preparing for one of the nation’s first exascale-class computers
  • Providing essential IT expertise across LLNL
  • Running one of the world’s largest control systems at NIF
  • Advancing cancer research and treatment
  • Designing AI and machine learning algorithms for science-based pattern discovery

Focus Areas

Computational Math

Powering scientific codes with advanced algebraic methods, algorithms, solvers, and discretizations

Computational Science

Supporting the Lab’s mission-driven programs with scientific modeling and simulation

Cyber Security

Meeting the nation’s top priorities to enhance security in a highly interconnected world

Data Science

Advancing AI, data analytics, machine learning, predictive modeling, statistics, UQ, and more

Emerging Architectures

Innovating in new directions for next-generation hardware designs and platform integrations

HPC Systems & Software

Providing environments, tools, and expertise for vital national security research and development

Information Technology

Meeting the Lab’s computer technology needs every day with enterprise applications and services

Software Engineering

Applying best practices to maximize the efficiency of software development and deployment


artist’s rendering of graphics on the outside of the Tuolumne supercomputer

Source: LLNL Computing

Road to El Capitan 6: Modern compilers

Compilers translate human-programmable source code into machine-readable code. Building a compiler is especially challenging in the exascale era.

Compiler Technology | Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Programming Languages and Models

diagram showing many colored boxes (denoting software packages) connected by complex lines (denoting dependency relationships)

Source: LLNL Computing

Road to El Capitan 7: Packaging for everyone

Backed by Spack’s robust functionality, the Packaging Working Group manages the relationships between user software and system software.

Exascale | HPC Architectures | HPC Systems and Software | Hybrid/Heterogeneous | Open-Source Software | Software Build and Installation


Featured Employee
Baseball team

Chris Moussa

As a high school baseball coach, LLNL software developer Chris Moussa understands the value of having teammates you can rely on, which is why he’s especially grateful for his “fantastic” team at work.

Featured Project
Blue Map logo


UMap uniquely exploits the prominent role of complex memories in today’s servers and offers new capabilities to directly access large memory-mapped datasets.

Featured Job
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Boost Your Career

Here in Computing, creative technology, advanced research, multidisciplinary collaboration, and big projects converge, creating one of the most stable, stimulating work environments anywhere.


Team stands in front of HPC

We offer a promising future of discovery science and technical innovation

From software developers and applied math researchers to hardware architects and networking experts, computing at LLNL requires a top-flight workforce with a broad skill set. Check out our internship pages or visit LLNL's careers site to see how you can be a part of the future.