HPC System Engineer

Lawrence Livermore National Laboratory
Livermore, CA 94550

Join us and make YOUR mark on the World!

Come join Lawrence Livermore National Laboratory (LLNL) where we apply science and technology to make the world a safer place; now one of 2020 Best Places to Work by Glassdoor!

We have an opening for a High Performance Computer (HPC) System Engineer to support one of the largest supercomputer centers in the world. The selected candidate will work in a challenging and team-oriented environment supporting Livermore Computings (LC) high performance computing clusters. You will apply fundamental knowledge of HPC systems and contribute to technical projects using creativity and imagination. The position requires the ability to serve periodically on a rotating off-hours on-call list. This position is in the Livermore Computing Division within the Computation Directorate.

This position will be filled at either the SES.1 or SES.2 level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level.

Essential Duties
- Work under general direction to administer and deploy multiple Linux-based HPC, Infrastructure and Parallel file system servers and clusters.
- Contribute to the deployment, configuration and management of Infiniband fabrics for computer and storage networks.
- Conduct installations of software releases, patches of the operating system, and third-party utilities with emphasis on overall system security.
- Work with other system administrators, Hotline and Operations staff to improve the quality of service for end users.
- Collaborate with other team members to analyze, diagnose and respond to system problems and user questions in person, via email and trouble ticket system.
- Troubleshoot and determine root cause of system issues with limited complexity.
- Perform other duties as assigned.

In Addition at the SES.2 Level
- Manage and deploy multiple RAID controllers and disk enclosures systems.
- Analyze performance and implement moderately complex strategies to improve the operation and efficiency of the computer, network, file system, and disk sub-systems.
- Develop and maintain programs and scripts that aid in the operation and automation of administrative tasks.

Qualifications
- Bachelors degree in computer science or related field or equivalent combination of education and related experience.
- Fundamental experience with Linux/Unix systems including installation, configuration, networking, backups, updates and patching, and system security.
- Understanding of programming and scripting languages such as C/C++, Java, Perl, Python, and bash/csh/ksh.
- Experience with version control and configuration management systems such as Subversion, git, Ansible, and cfengine.
- Experience with disk and storage systems such as hosts based RAID controllers, software RAID and vendor RAID systems from DDN, NetApp, Hitachi, etc.
- Experience with virtualization environments such as KVM and VMware vSphere ESXi
- Sufficient communication and interpersonal skills necessary to effectively work with members of the system administration group, application developers, LC staff, and end users.
- Experience using and developing solutions and plugins for host monitoring systems such as Splunk or Nagios.

In Addition at the SES.2 Level
-Demonstrated ability to work with limited direction in a dynamic environment with competing priorities.
- Comprehensive knowledge of HPC environments and HPC technologies such as Infiniband, Slurm, Lustre.
- Experience with local, parallel and distributed file systems such as Ext4, XFS, NFS, ZFS, Lustre and GPFS.

Desired Qualifications
- MS in Computer Science or related field.
- Experience developing software with C++, Python or JAVA within Linux, or UNIX environments.
- Experience with VMware vSphere ESXi 6.7/7.x, and collaboration tools such as Confluence, JIRA, and BitBucket.

Pre-Employment Drug Test: External applicant(s) selected for this position will be required to pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Security Clearance: This position requires a Department of Energy (DOE) Q-level clearance.

If you are selected, wewill initiate a Federal background investigation to determine if youmeet eligibility requirements for access to classified information or matter. In addition, all L or Q cleared employees are subject to random drug testing. Q-level clearance requires U.S. citizenship. If you hold multiple citizenships (U.S. and another country), you may be required to renounce your non-U.S. citizenship before a DOE L or Q clearance will be processed/granted.For additional information, please see DOE Order 472.2.

Note: This is a Career Indefinite position. Lab employees and external candidates may be considered for this position.

About Us

Lawrence Livermore National Laboratory (LLNL), located in the San Francisco Bay Area (East Bay), is a premier applied science laboratory that is part of the National Nuclear Security Administration (NNSA) within the Department of Energy (DOE). LLNL's mission is strengthening national security by developing and applyingcutting-edge science, technology, and engineering that respond with vision, quality, integrity, and technical excellence to scientific issues of national importance. The Laboratory has a current annual budget of about $2.3 billion, employing approximately 6,900 employees.

LLNL is an affirmative action/ equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, protected veteran status, age, citizenship, or any other characteristic protected by law.

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HPC System Engineer

Lawrence Livermore National Laboratory
Livermore, CA 94550

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