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Site Reliability Engineer

Date: Jan 12, 2023

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 8526 


Oak Ridge National Laboratory (ORNL) is seeking a site reliability engineer to support the Neutron Science Directorate (NScD). NScD operates the High Flux Isotope Reactor (HFIR), the United States’ highest flux reactor-based neutron source, and the Spallation Neutron Source (SNS), the world’s most intense pulsed accelerator-based neutron source.  Together these facilities operate 30 instruments and over 400 Linux servers for neutron scattering research, each year carrying out in excess of 1,000 experiments in the physical, chemical, materials, biological and medical sciences for more than 3,000 visiting scientists.  


The site reliability engineer is responsible for the successful operation of various computing systems that are critical to data acquisition, data reduction, data analysis, and data management. You will work closely with group members within ITSD and interface with external scientific users, instrument scientists, and scientific associates at HFIR and SNS.  You will also work with other technical groups including data reduction and data analysis software engineers at the Computing and Computational Sciences Directorate (CCSD). You will report to the Neutron Systems Engineering and Support group leader within the Information Technology Services Division (ITSD).  

Major Duties and Responsibilities:

  • Learn and understand how various computing systems at SNS and HFIR interact and communicate with each other
  • Serve as a primary point of contact responsible for the overall system health and performance
  • Handle critical production issues and work towards resolution
  • Participate in our on-call rotation, providing operational support to software applications
  • Engage in the development and installation of new hardware and software and ensure the seamless integration with the current systems and services
  • Develop and maintain automations to improve productivity and efficiency
  • Ensure the secure and effective operation of computing systems through compliance with ORNL procedures and IT Internal Operating Procedures and backups
  • Develop and document operation processes
  • Provide suggestions for process improvements and innovations


Basic Qualifications:

  • Bachelor's degree in Computer Science or related technical subjects (or an equivalent combination of education and experience) 
  • 3+ years’ experience with the Linux Server Platform 
  • Basic understanding of network communication and demonstrated troubleshooting techniques
  • Ability to script in shell or Python for system automation and integration 
  • Excellent interpersonal skills suitable for user support and ability to work well with peer system administrators and software engineers
  • A strong preference towards standardized automation of system administration tasks 
  • Ability to manage time and prioritize projects 
  • Excellent documentation skills, and great written and verbal communication skills, in English. 

Preferred Qualifications: 

  • Strong knowledge of multiple current operating systems 
  • Basic knowledge of network attached storage methods (SMB, NFS, iSCSI, SAN, etc.)
  • Knowledge or experience in working in a DevOps environment
  • Knowledge of infrastructure as code (e.g. Terraform, Puppet, Chef, Ansible, Docker, etc)
  • Demonstrated ability to perform job tasks while considering cyber security risk of those tasks, and consulting with security professionals when necessary 


Special Requirement:

This position requires the ability to obtain and maintain an HSPD-12 PIV badge.  


Visa sponsorship is not available with this position


Benefits at ORNL:  

UT Battelle offers an exceptional benefits package to include matching 401K, Pension Plan, Paid Vacation and Medical / Dental plan. Onsite amenities include Credit Union, Medical Clinic and free Fitness facilities.   

For more information about our benefits, working here, and living here, visit the “About” tab at




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

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.

Nearest Major Market: Knoxville