Linux Systems Engineering

Requisition Id 16004 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.Install, integrate, and administer HPC Linux clusters and high-speed networksDiagnosing system operational problems quickly and effectivelyCoordinating with vendors to resolve hardware and software problemsRecommending, planning, and coordinating hardware and software changes with customer participation using change management processesPorting and writing system management toolsDocumenting system administration procedures for routine and complex tasksParticipating in a 24-hour, 7-day on-call support rotation and off-hours maintenance windowsSystem implementation/integration into the NCCS environment and systems performance analysis.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 field5+ years of Linux systems experience is requiredDemonstrated experience working in classified environments, including a thorough understanding of security policies, compliance frameworks, and associated standard processes (e.g., An equivalent combination of education and experience will be consideredPreferred Qualifications:Experience managing Linux operating systems in a large-scale system environmentSolid understanding of networked computing environment concepts5+ years of experience with Linux Cluster AdministrationAbility 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 systemsExperience with batch schedulers (particularly SLURM)Experience deploying and maintaining automated configuration management software such as PuppetStrong interpersonal and communication skillsAbility to work as a team playerProactive and solution-oriented problem solverPrior project and/or team leadership experienceSpecial Requirement: As such, this position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program. In addition, due the SCI, you may also be subject to random polygraph testing. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation’s most pressing challenges. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation.The laboratory offers many employee benefits, including medical and retirement plans and flexible work hours, to help you and your family live happy and healthy. Employee amenities such as on-site fitness, banking, and cafeteria facilities are also provided for convenience.In addition, we offer a flexible work environment that supports both the organization and the employee. A hybrid/onsite working arrangement may be available with this position.Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance, Disability Benefits, Generous Vacation and Holidays, Parental Leave, Legal Insurance with Identity Theft Protection, Employee Assistance Plan, Flexible Spending Accounts, Health Savings Accounts, Wellness Programs, Educational Assistance, Relocation Assistance, and Employee Discounts.If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email: docx), Adobe (unsecured .rtf), and HTML (.html) up to 5MB in size. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply.