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Nuclear Safety Analyst

Date: Aug 4, 2022

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 8575 


The Nuclear Safety & Experiment Analysis Section within the Research Reactors Division (RRD) within the Neutron Sciences Directorate is seeking a mid-career Nuclear Safety Analyst to support the High Flux Isotope Reactor (HFIR). You will be a member of the Nuclear Safety & Reactor Analysis Group and provide analytical support for the safe, reliable operation of the HFIR and the adjacent Cold Source facility. 


Major Duties/Responsibilities: 

  • Preparation and maintenance of the HFIR Safety Analysis Report (SAR), Cold Neutron Source Documented Safety Analysis (CS DSA), and the HFIR Technical Safety Requirements (TSRs). 
  • Assure technical compliance with 10 CFR Part 830 Subparts A and B, affecting reactor and facility safety, through implementation of ORNL Standards Based Management System (SBMS) and RRD procedures.
  • Application of the unreviewed safety question (USQ) process per ORNL SBMS and RRD procedure directly to the HFIR and Cold Source Facility.  
  • Participate in periodic meetings and plant health activities. 
  • Provide reviews, advice, and recommendations both to RRD management and to staff issues as they develop.
  • Participate in long range planning regarding upgrades, improvements, and maintenance consistent with RRD and ORNL management requests.   
  • Adherence to the rules and regulations that govern the operation of a DOE nuclear facility such as HFIR.
  • Formulates/postulates research and/or testing needed to validate safety analysis assumptions or controls.


Basic Qualifications:

  • B.S. degree in nuclear, mechanical, chemical, electrical, or similar engineering discipline. 
  • Minimum 5 years of experience in engineering or safety analysis, and at least 1 year of nuclear facility experience.
  • Organized, detail-oriented and sensitized to a nuclear safety culture.
  • Possess excellent written and verbal communication skills and experience working in a team environment, with collaboration at all levels, disciplines, and diverse cultural backgrounds both inside and outside the organization.
  • Demonstrated record of customer-oriented, collaborative work ethic.


Preferred Qualifications:

  • Advanced degree in a relevant field.
  • Previously or currently qualified to perform USQ evaluations (or similar process for nuclear power plants).
  • Strong analytical background in heat transfer, fluid flow, and thermodynamics.
  • Experience at a commercial, research, or naval reactor. 
  • Experience with NRC, including Regulatory Guide 1.70. 


About Neutron Sciences Directorate:
The Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (ORNL) 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 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.  HFIR also provides unique facilities for isotope production and neutron irradiation.  To learn more about Neutron Sciences at ORNL go to


Export control, no clearance:  This position requires access to technology that is subject to export control requirements. Successful candidates must be qualified for such access without an export control license.




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.

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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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