Oak Ridge National Laboratory · 21 hours ago
HPC Linux Systems Engineer, Associate
Oak Ridge, TN
Full-time
Onsite
Entry Level
2+ years expOak Ridge National Laboratory (ORNL) is a U.S. Department of Energy national laboratory focused on addressing the nation’s most pressing challenges. They are seeking an HPC Linux Systems Engineer to join the HPC Infrastructure team, responsible for deploying, configuring, and managing HPC-scale services in a Linux environment while ensuring system security and virtualization.
Advanced MaterialsClean EnergyEnergyEnergy ManagementManufacturingNuclearRenewable Energy
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Deploy, configure and manage HPC-scale services in a Linux environment, primarily RedHat and Rocky
Coordinate and perform regular patches, updates and backups
Monitor systems using tools like Nagios and Grafana
Deploy and administer NFS storage using NetApp
Respond to and troubleshoot complex issues
Administration of RSA SecureID and PingFederate servers
Deploy, configure and support identity and access management services such as single-sign on (SSO), OAuth, two-factor auth, zero trust, etc…
IdM integration with user applications and Entra ID
Deploy and manage resources in the NCCS VMware environment
Automate systems administration tasks using tools like Puppet, Terraform and Ansible
Qualification
Required
Bachelor's degree in computer science or closely relate field and a minimum of 2 years of experience in Linux systems administration and/or Identity Management, or a Master's Degree and a minimum of 1 year of experience in Linux systems administration and/or Identity Management
An equivalent combination of education and experience will be considered
Preferred
Excellent interpersonal/communication skills and the ability to work within a team
Foundational knowledge of modern authentication and authorization standards, including SAML, OAuth 2.0, OpenID Connect (OIDC), and LDAP
Familiarity with managing user identities and group memberships in LDAP and Active Directory
Understanding of cloud-native IAM concepts (roles, policies, and service accounts) in platforms like AWS, Azure, or GCP
Strong working knowledge of Linux system fundamentals and common network protocols
Programming and scripting skills in common languages such as Python and bash
Understanding of versioning and code review tools like GitHub and GitLab
Experience with configuration management tools such as Puppet or Ansible
Experience deploying and maintaining virtual environments using VMWare
Working knowledge of common infrastructure services such as OpenLDAP, DNS, DHCP, etc
Ability to plan, prioritize and complete assigned projects with minimal supervision
Benefits
Medical and retirement plans
Flexible work hours
On-site fitness
Banking
Cafeteria facilities
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
Employee Discounts
Company
Oak Ridge National Laboratory
Oak Ridge National Laboratory holds a range of R&D assignments, from fundamental nuclear physics to applied R&D on advanced energy systems.
5001-10000 employees
Funding
Current Stage
Late StageTotal Funding
$9.8MKey Investors
US Department of Energy
2023-09-21Grant· $4.8M
2023-07-27Grant
2022-03-14Grant· $5M
Leadership Team
Arjun Shankar
Division Director, National Center for Computational Sciences, Oak Ridge National Laboratory
Brett Ellis
Division Director - Research Computing Support
Recent News
2026-01-22
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