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HPC Linux Engineer

4 months ago

Oak Ridge, United States ITR Full time
Job DescriptionJob DescriptionHPC Linux Systems Engineer
An East Tennessee DOE Research and Development facility, which hosts several of the world’s most powerful computer systems, is seeking highly qualified individuals to play a key role in improving the security, performance, and reliability of the computing infrastructure. This includes supporting the fastest supercomputer in the world. As an HPC Linux Systems Engineer you will work in the Infrastructure team within the HPC Infrastructure and Networking group to support all activities of our supercomputer center.Major Duties/Responsibilities:
  • Work with the team to define and implement best practices and standards within the organization
  • Automate systems administration tasks utilizing open source configuration management tools
  • Design, build and maintain HPC-scale Linux-based services
  • Tune operating systems and applications to increase performance and reliability of services
  • Diagnose system operational problems quickly and effectively
  • Document system administration procedures for routine and complex tasks
  • Participate in an on-call rotation providing 24-hour, 7-day support and off-hours maintenance windows
  • Coordinate with vendors to resolve hardware and software problems
Basic Qualifications:Bachelor’s Degree in computer science or closely related field and a minimum of 5 years of experience in Linux/UNIX Systems Administration. An equivalent combination of education and experience will be considered.Special Requirement:This position requires the ability to obtain and maintain a clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse program (WSAP) testing designed position which requires passing a pre-placement drug test and participation in an ongoing random drug testing program in which employees are subject to being randomly selected for testing. The occupant of this position will also be subject to an ongoing requirement to report any drug-related arrest or conviction or receipt of a positive drug test result.Preferred Qualifications:
  • Excellent interpersonal/communication skills, and the ability to work as part of a team
  • Strong working knowledge of Unix system fundamentals and common network protocols
  • Experience managing Linux/UNIX operating systems in a heterogeneous environment.
  • Solid understanding of networked computing environment concepts
  • Ability to develop and maintain programs and scripts that aid in the operation and automation of administrative tasks using various shell and scripting languages (primarily bash and Python, some Go)
  • Ability to identify requirements and to define, plan, and implement requisite solutions
  • Ability to plan, organize, prioritize tasks, and complete assigned projects with minimal supervision
  • Experience with continuous integration and continuous deployment software methodologies and how they apply to systems engineering
  • An understanding of code review and familiarity with tools like GitHub and GitLab
  • Experience using tools such as Grafana and Nagios to monitor systems, metrics, and create dashboards
  • Experience designing and implement highly-available systems/services
  • Experience participating in an open source community with patches accepted upstream
  • Experience deploying and maintaining automated configuration management software such as Puppet or Ansible
  • Experience building custom packages for RHEL/CentOS using RPM
  • Experience deploying and maintaining virtualized environments using VMWare
  • Experience installing, maintaining and troubleshooting, Postfix, OpenLDAP, NetApp filers, VMware, Puppet/Ansible, Git, Scripting (Python, Bash, Go)
  • Experience implementing systems-level security technologies like SELinux and following security best-practices