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Linux Engineer (Hybrid Eligible)

Oak Ridge National Laboratory
life insurance, parental leave, 401(k), retirement plan, relocation assistance
United States, Tennessee, Oak Ridge
1 Bethel Valley Road (Show on map)
Nov 07, 2025

Requisition Id15550

Overview:

We're hiring a Linux Systems Engineer who will play a crucial role in managing and supporting Linux servers and large storage systems! Areas of focus include performing Linux Server, storage, and application support. You will also work with users as well as other Linux System Engineers to support ORNL research projects. This position resides in the Research IT Infrastructure group in the Research Computing division of the Information Technology Services Directorate atOak Ridge National Laboratory(ORNL).

Our goal, in Research IT Infrastructure, is to enable research while protecting ORNL assets, especially from cyber incidents.

Major Duties/Responsibilities:

  • Troubleshoot various Linux server-related issues.
  • Install, configure, and maintain various Linux server distros, including Red Hat.
  • Install, configure, and maintain system software, both commercial packages and various freely available software (including Apache, MYSQL, PHP, etc.).
  • Install, configure, and maintain storage systems, including NAS (Network Attached Storage) and SAN (Storage Area Network).
  • Troubleshoot and resolve issues related to storage systems and file systems.
  • Monitor and optimize storage performance and capacity.
  • Ensure data integrity and security for storage systems.
  • Patch both system and 3rd party vendor software to ensure security and stability. Monitor for patch releases and work with the customers and other admins to ensure the patches are applied in a timely manner.
  • Provide consulting in both the selection and purchase of hardware and software.
  • Ensure the secure and effective operation of computing systems through compliance with ORNL procedures and IT Internal Operating Procedures.
  • Work with other system engineers and vendors to resolve both hardware and software issues.
  • Work with local bargaining unit personnel on hardware installation and hardware repairs where it is outside the scope of a vendor.
  • Utilize Internet resources (mailing lists, blogs, etc.) to resolve problems with open source software.
  • Develop and document procedures for startup, execution, shutdown, backup, and recovery.
  • Help maintain and manage cloud data and resources.
  • Monitor systems performance.
  • Deliver ORNL's mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote equal opportunity by fostering a respectful workplace - in how we treat one another, work together, and measure success.

Basic Qualifications:

  • A BS in information technology, information systems, computer science, computer engineering, business, science, or a related field of study and a minimum of five (5) to seven (7) years of Linux server administration experience, or a MS degree with a minimum of four (4) to six (6) years of relevant and aligned experience, or a PhD degree with up to three (3) years of relevant and aligned experience. An overall combination of equivalent education and experience may be considered.
  • Experience supporting Linux servers.
  • Common scripting abilities BASH, YAML.
  • Basic knowledge supporting clustered system.
  • Experience supporting common storage systems (SAN, NAS, LOCAL, NFS SMB).
  • Excellent interpersonal skills suitable for user support and the ability to work well with peer system administrators.
  • Demonstrated capabilities to work in a dynamic environment.
  • Good written and verbal communication skills.

Preferred Qualifications:

  • Strong knowledge of multiple Linux distributions is preferred.
  • Strong knowledge of open-source web application services (Apache, Tomcat, JBoss, etc.) is desired.
  • Experience supporting large network attached storage systems.
  • Previous experience working in a government, scientific or other highly technical
  • environment strongly desired.
  • Experience installing, supporting, and maintaining VMWare clusters.
  • Automation with Ansible, Puppet or other tools
  • Experience supporting automation and configuration management tools.
  • Experience supporting and troubleshooting web servers.
  • Good documentation skills, including ability to prepare simple documentation web pages are also desired.

Visa sponsorship: Visa sponsorship is not available for this position.

Security, Credentialing, and Eligibility Requirements:

  • This position requires the ability to obtain and maintain an HSPD-12 PIV badge.
  • For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification will be required.
  • Additionally, ORNL is subject to Department of Energy (DOE) access restrictions. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as mandated by Homeland Security Presidential Directive 12 (HSPD-12) and Department of Energy (DOE) Order 473.1A, which requires a favorable post-employment background investigation.
  • To obtain this credential, new employees must successfully complete and pass a Federal Tier 1 background check investigation. This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture within the last year. This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws.

For foreign national candidates:

  • If you have not resided in the U.S. for three consecutive years, you are not eligible for the PIV credential and instead will need to obtain a favorable Local Site Specific Only (LSSO) risk determination to maintain employment.
  • Once you meet the three-year residency requirement, you will be required to obtain a PIV credential to maintain employment.

Hybrid Eligibility:

This position is in Oak Ridge, Tennessee and requires onsite presence. We offer a flexible work environment that supports both the organization and our employees. A hybrid/onsite working arrangement may be available with this position, which provides flexibility to work periodically from your home, while reporting onsite to the Oak Ridge, Tennessee location on a weekly and regular basis.

About ORNL:

As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation's most pressing challenges. Our team is made up of over 7,200 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. 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.

ORNL offers competitive pay and benefits programs to attract and retain individuals who demonstrate exceptional work behaviors. The laboratory provides a range of employee benefits, including medical and retirement plans and flexible work hours, to support the well-being of you and your family.

Employee amenities such as on-site fitness, banking, and cafeteria facilities are also available for added 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.

If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email:ORNLRecruiting@ornl.gov.

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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.

If you have trouble applying for a position, please email ORNLRecruiting@ornl.gov.

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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