Exascale HPC Systems Engineer & Software Stack Lead

Argonne National Laboratory; Lemont (IL); On-site; USD 75,000 - 135,000; Full time

Job summary

Argonne National Laboratory seeks an HPC software integration specialist to design, develop, and advance the HPC environment within the ALCF. You will focus on software integration with the broader ecosystem, maintaining Spack environments, and building complex scientific software for exascale architectures.

You will work with application owners and domain scientists to profile, debug, and optimize performance, report issues upstream, and document build procedures and optimization strategies to

Qualifications

• Experience with Spack, CMake, Make, and managing software dependencies in Linux-based HPC environments.
• Proficiency in compiling large-scale scientific applications from source using various compilers and MPI libraries.
• Familiarity with profiling and tuning tools to optimize applications beyond default installations.
• Excellent interpersonal skills and ability to work with scientists, researchers, and external developers.

Responsibilities

• Assist with the design, development, and advancement of the HPC environment of the ALCF and focus on software integration with the larger software and operational ecosystem at the facility site.
• Package & Environment Management: Maintain, configure, and optimize Spack environments across ALCF systems to support a diverse portfolio of scientific applications.
• Compilation & Integration: Build, compile, and validate complex scientific software across heterogeneous exascale architectures.
• Performance Tuning & Collaboration: Profile, debug, and tune codes for maximum hardware efficiency in collaboration with application-owners.

Skills

HPC build & packaging

Collaboration & communication

Performance tuning

Documentation & support

Education

Bachelor's degree

Master's degree

Tools

Spack

CMake

GNU Make

MPI libraries

Job description

Argonne National Laboratory seeks an HPC software integration specialist to design, develop, and advance the HPC environment within the ALCF. You will focus on software integration with the broader ecosystem, maintaining Spack environments, and building complex scientific software for exascale architectures.

You will work with application owners and domain scientists to profile, debug, and optimize performance, report issues upstream, and document build procedures and optimization strategies to