Senior HPC Linux Systems Engineer

Requisition Id 15310 

 

Overview:

The National Center for Computational Sciences (NCCS) at Oak Ridge National Lab (ORNL), which hosts several of the world’s most powerful computer systems, is seeking a highly qualified individual to play a key role in improving the security, performance, and reliability of the NCCS computing environments. This includes supporting one of the fastest supercomputers in the world, Frontier, along with numerous commodity clusters and specialized programs and partnerships. Frontier is one of the scientific research community's most powerful computational instruments for exploring solutions to some of today's most challenging problems.

As an HPC Linux Systems Engineer, you will work within the HPC Scalable Systems Group inside of the NCCS Systems Section to support numerous activities of the center.

The Scalable Systems group oversees, administers and supports system installation, deployment, acceptance, performance testing, upgrades, problem diagnosis, and troubleshooting of large-scale HPC computational resources.

The Systems Section is within the National Center for Computational Sciences Division (NCCS). The HPC Systems Section is responsible for the division’s computing, storage, networking, and infrastructure systems and services.

The NCCS provides state-of-the-art computational and data science infrastructure, coupled with dedicated technical and scientific professionals, to accelerate scientific discovery and engineering advances across a broad range of disciplines. NCCS hosts the Oak Ridge Leadership Computing Facility, one of DOE’s National User Facilities.

As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an extraordinary 80-year history of solving the nation’s biggest problems. We have a dedicated and creative staff of over 6,000 people!

Major Duties/Responsibilities:

• Install, integrate, and administer HPC Linux clusters and high-speed networks
• Diagnosing system operational problems quickly and effectively
• Coordinating with vendors to resolve hardware and software problems
• Recommending, planning, and coordinating hardware and software changes with customer participation using change management processes
• Porting and writing system management tools
• Documenting system administration procedures for routine and complex tasks
• Participating in a 24-hour, 7-day on-call support rotation and off-hours maintenance windows
• System implementation/integration into the NCCS environment and systems performance analysis.
• Lead system deployment, integration and troubleshooting of a large-scale computer system.
• Participate in relevant systems topics with the internal and external community of peers contributing experiences and solutions.
• Mentor junior-level staff as they join the group.
• Deliver ORNL’s mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service.
  
  

Basic Qualifications:

• Bachelor’s Degree in a scientific or technical field
• 8+ years of Linux systems experience is required
• An equivalent combination of education and experience will be considered
  
  

Preferred Qualifications:

• Experience managing Linux operating systems in a large-scale system environment
• Solid understanding of networked computing environment concepts
• Experience with Linux Cluster Administration
• Ability to develop and maintain programs and scripts that aid in the operation and automation of administrative tasks using various shell and scripting languages (bash, Python, Go)
• Experience with Lustre and GPFS file systems
• Experience with batch schedulers (particularly SLURM)
• Experience deploying and maintaining automated configuration management software such as Puppet
• Strong interpersonal and communication skills
• Ability to work as a team player
• Proactive and solution-oriented problem solver
• Prior project and/or team leadership experience
  
  

Special Requirement:

This position requires the ability to obtai