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Linux HPC Systems Engineer

2 months ago

Oak Park, Illinois, United States Oak Ridge National Laboratory Full time

Job Summary:

Oak Ridge National Laboratory is seeking a highly skilled Linux HPC Systems Engineer to join our team in the Emerging Technologies & Computing Group. As a key member of our team, you will be responsible for designing, operating, and maintaining clusters, servers, and workstations that support scientific research at ORNL.

Key Responsibilities:

  • Advocate and promote HPC and clustered computing services to researchers who process large data sets and/or develop code as a part of their project.
  • Ensure the availability, performance, scalability, and security of production systems.
  • Leverage automation and monitoring solutions that minimize day-to-day maintenance and scout opportunities to optimize system management practices or system performance.
  • Collaborate with technical POCs for the programs that we support to install and help tune the performance of various scientific toolsets.

Requirements:

  • A BS in computer science, computer engineering, information technology, science, engineering, business, or a related field of study and two to four years of aligned experience.
  • 1+ year managing UNIX/Linux Systems.
  • 1+ year utilizing configuration management and automation tools such as Git, Jenkins, Ansible, or Puppet.
  • Some proficiency in at least one scripting language such as Bash, Python, or equivalent.
  • Experience performing troubleshooting and system administration with Linux Servers.
  • Experience supporting large data systems.
  • A desire to push the envelope 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.
  • A collaborative and energetic mindset to thrive on the opportunity to build trust and credibility, and ultimately become a trusted advisor to our research teams.

Preferred Qualifications:

  • Understanding of multiple operating systems and cluster technologies.
  • Experience with Centos/RHEL, Ubuntu, VMware.
  • Understanding of HPC platforms to support users with SLURM job submissions and troubleshooting.
  • Experience building and running containerized applications in an HPC environment.
  • Experience with multiple deployment mechanisms like Diskless, Warewulf, and traditional deployment (Cobbler, PXEboot, and/or Bright).
  • Experience managing systems utilizing GPU (NVIDIA and AMD) clusters for AI/ML and/or image processing.
  • Knowledge of networking fundamentals including TCP/IP, traffic analysis, common protocols, and network diagnostics.
  • Experience with Infiniband networks and diagnostics.
  • Extensive experience with High Performance Parallel File Systems (Lustre, WEKA, GPFS, etc).
  • Experience with performance and diagnostic tools for benchmarking, analysis, and tuning of systems, networking, and storage.
  • Experience with Grafana, CheckMK, Nagios, Zabbix, SolarWinds, Ganglia, or other network and device monitoring systems.
  • Previous experience working in a government, scientific, or other highly technical environment.
  • Good documentation skills, including ability to prepare simple documentation web pages.

Special Requirements:

  • Visa sponsorship is not available for this position.
  • This position requires the ability to obtain and maintain a clearance from the Department of Energy.