HPC Linux Systems Engineer

About the role

The National Center for Computational Sciences (NCCS) at Oak Ridge National Lab (ORNL) 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 Frontier, one of the world’s fastest supercomputers, along with numerous commodity clusters and specialized programs. The HPC Linux Systems Engineer will work within the HPC Scalable Systems Group to support system installation, deployment, acceptance, performance testing, upgrades, problem diagnosis, and troubleshooting of large-scale HPC computational resources.

Responsibilities

• Install, integrate, and administer HPC Linux clusters and high-speed networks
• Diagnose system operational problems quickly and effectively
• Coordinate with vendors to resolve hardware and software problems
• Recommend, plan, and coordinate hardware and software changes using change management processes
• Port and write system management tools
• Document system administration procedures for routine and complex tasks
• Participate in a 24-hour, 7-day on-call support rotation and off-hours maintenance windows
• System implementation and integration into the NCCS environment, including performance analysis
• Align behaviors, priorities, and interactions with ORNL’s core values: Impact, Integrity, Teamwork, Safety, and Service

Requirements

• Bachelor’s Degree in a scientific or technical field
• 5+ years of Linux systems experience
• Demonstrated experience working in classified environments, including a thorough understanding of security policies, compliance frameworks, and associated standard processes (e.g., NIST, DISA STIGs)
• An equivalent combination of education and experience will be considered

This position requires the ability to obtain and maintain a Sensitive Compartmented Information (SCI) clearance from the Department of Energy. As such, this is a Workplace Substance Abuse (WSAP) testing designated position, requiring a pre-placement drug test and participation in an ongoing random drug testing program. Due to the SCI clearance, you may also be subject to random polygraph testing.

Preferred Qualifications

• Experience managing Linux operating systems in a large-scale system environment
• Solid understanding of networked computing environment concepts
• 5+ years of experience with Linux Cluster Administration
• Ability to develop and maintain programs and scripts for operation and automation using 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

Benefits

• Medical, dental, and vision plans
• 401(k) Retirement Plan and Contributory Pension Plan
• Life Insurance and Disability Benefits
• Generous vacation, holidays, and parental leave
• Flexible work environment, including hybrid/onsite arrangements
• On-site fitness, banking, and cafeteria facilities
• Employee Assistance Plan and Legal Insurance with Identity Theft Protection
• Flexible Spending Accounts and Health Savings Accounts
• Wellness Programs and Educational Assistance
• Relocation Assistance and Employee Discounts