Skip to main content
Posted August 01, 2026

HPC Linux Administrator

ITR
Oak Ridge, TN, US Full Time

Job Description

Job Description
HPC Linux Administrator
Basic Qualifications:
  1. A BS degree in computer science, computer engineering, information technology, business, science, or a related field of study and eight (8) to twelve (12) years of proven experience is required. An overall combination of equivalent experience may be considered.
  2. Five (5) or more years with managing UNIX/Linux Systems.
  3. Three (3) or more years of proven experience with configuration management and automation tools such as Git, Jenkins, Ansible, or Puppet.
  4. Moderate proficiency in at least one scripting language such as Bash, Python, or others.
  5. Experience performing advanced troubleshooting and system administration with Linux Servers.
  6. Experience supporting large data systems.
  7. A strong desire to innovate and identify new technologies and opportunities and be able to communicate the potential benefits of those choices to others within the team and our research partners.
  8. A collaborative and upbeat approach to thrive on the opportunity to build trust and credibility, and ultimately become a trusted advisor to our research teams.
  9. The ability to obtain and maintain a Department of Energy "Q" clearance is required. This requires US Citizenship.
Preferred Qualifications:
  1. Solid understanding of multiple operating systems and cluster technologies.
  2. Experience with Centos/RHEL, Ubuntu, and VMware
  3. Understanding of HPC platforms to support users with SLURM job submissions and troubleshooting.
  4. Experience building and running containerized applications in an HPC environment.
  5. Experience with multiple deployment mechanisms like Diskless, Warewulf, and traditional deployment (Cobbler, PXEboot, and/or Bright).
  6. Experience managing systems utilizing GPU (NVIDIA and AMD) clusters for AI/ML and/or image processing.
  7. Knowledge of networking fundamentals including TCP/IP, traffic analysis, common protocols, and network diagnostics.
  8. Experience with InfiniBand networks and diagnostics.
  9. Extensive experience with High Performance Parallel File Systems (Lustre, WEKA, GPFS, etc).
  10. Experience with performance and diagnostic tools for benchmarking, analysis, and tuning of systems, networking, and storage.
  11. Experience with Grafana, CheckMK, Nagios, Zabbix, SolarWinds, Ganglia, or other network and device monitoring systems.
  12. Previous experience working in a government, scientific, or other highly technical environment.
  13. Good documentation skills, including the ability to prepare simple documentation web pages.

Sign up for Job Alerts