Linux HPC Systems Engineer

2 months ago

Oak Ridge, United States Oak Ridge National Laboratory Full time

Requisition Id 13685 

Due to the security clearance requirements of this position, we are unable to consider EAD and Green Card holders. Additionally, Visa sponsorship of any kind is unavailable for this position (H1B, F1 (including exercising OPT), H4, J1, etc.).

­­Overview:

We are hiring a Linux HPC Systems Engineer to design, operate and maintain clusters, servers, workstations that support services where science happens at ORNL This position resides in the Emerging Technologies & Computing Group in the Information Technology Services Directorate at (ORNL).

The Emerging Technology Computational Group facilitates ORNL goals through HPC systems engineering, integration, and support for the research community at ORNL. By providing design, deployment, optimization, monitoring, and tooling support across multiple clustered infrastructures, we facilitate Lab-wide R&D projects. Our HPC clusters range in scope from just a handful of nodes to over fifty thousand cores.

Major Duties/Responsibilities:

Our primary goal is to partner with research organizations to enable research excellence and delivery at ORNL. We work with other clustered computing and HPC groups to help research programs identify the best solutions for their needs. When we build our customer's environments, our team collaborates to design, implement, and maintain the systems from inception to retirement.

Advocate and promote HPC and clustered computing services to researchers who process large data sets and/or develop code as a part of their project. Ensure the availability, performance, scalability, and security of production systems. Leverage automation and monitoring solutions that minimize our day-to-day maintenance and scout opportunities to optimize system management practices or system performance. Collaborate with technical POCs for the programs that we support to install and help tune the performance of various scientific toolsets.

The Emerging Technologies & Computing Group optimizes workflows and monitoring solutions to take advantage of our 24/7 operations staff, which significantly reduces the need for off-hours support. We use Email, Jira, Confluence, Teams, and other collaboration solutions to stay in contact.

Deliver ORNL’s mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote diversity, equity, inclusion, and accessibility by fostering a respectful workplace – in how we treat one another, work together, and measure success.

Basic Qualifications:

A BS in computer science, computer engineering, information technology, science, engineering, business or a related field of study and two (2) to four (4) years of aligned experience is required for consideration. 1+ year managing UNIX/Linux Systems. 1+ year utilizing configuration management and automation tools such as Git, Jenkins, Ansible, or Puppet. Some proficiency in at least one scripting language such as Bash, Python, or equivalent. Experience performing troubleshooting and system administration with Linux Servers. Experience supporting large data systems. A desire to push the envelope and identify new technologies and opportunities and be able to communicate the potential benefits of those choices to others within the team and our research partners. A collaborative and energetic mindset to thrive on the opportunity to build trust and credibility, and ultimately become a trusted advisor to our research teams.

Preferred Qualifications:

Understanding of multiple operating systems and cluster technologies. Experience with Centos/RHEL, Ubuntu, VMware. Understanding of HPC platforms to support users with SLURM job submissions and troubleshooting. Experience building and running containerized applications in an HPC environment. Experience with multiple deployment mechanisms like Diskless, Warewulf, and traditional deployment (Cobbler, PXEboot, and/or Bright). Experience managing systems utilizing GPU (NVIDIA and AMD) clusters for AI/ML and/or image processing. Knowledge of networking fundamentals including TCP/IP, traffic analysis, common protocols, and network diagnostics. Experience with Infiniband networks and diagnostics. Extensive experience with High Performance Parallel File Systems (Lustre, WEKA, GPFS, etc). Experience with performance and diagnostic tools for benchmarking, analysis and tuning of systems, networking, and storage. Experience with Grafana, CheckMK, Nagios, Zabbix, SolarWinds, Ganglia, or other network and device monitoring systems. Previous experience working in a government, scientific or other highly technical environment. Good documentation skills, including ability to prepare simple documentation web pages.

Special Requirements:

Visa sponsorship is not available for this position. 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 (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program.

Benefits at ORNL:

ORNL offers competitive pay and benefits programs to attract and retain dedicated people. 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.

Other benefits include the following: 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.

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.

This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.


ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT-Battelle is an E-Verify employer.

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