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Nuclear Safety Analysis Structural Engineer

Date: Jan 10, 2023

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 9814 


The Nuclear Safety & Experiment Analysis Section within the Research Reactors Division (RRD) seeks mid-career applicants for a Nuclear Safety Analysis Structural Engineer position to support the High Flux Isotope Reactor (HFIR). You will be a member of the Nuclear Safety & Reactor Analysis Group and will 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 basis documents, including the HFIR Safety Analysis Report (SAR), Cold Neutron Source Documented Safety Analysis (CS DSA), HFIR Technical Safety Requirements (TSRs), fuel shipping container Safety Analysis Reports for Packaging (SARP), and Probabilistic Risk Assessment (PRA). 

  • Perform analysis, testing, and research as necessary to support the HFIR beryllium reflector replacement and reactor pressure vessel replacement projects. 

  • Ensure 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 process per ORNL SBMS and RRD procedure directly to the HFIR and Cold Source Facility.    

  • Interpreting and implementing DOE Natural Phenomena codes and regulations as well as nuclear facility structural materials and design codes. 

  • Perform seismic qualifications, analyses, and evaluations in accordance with DOE-STD-1020 and -021, and International Building Code. 

  • Perform research and/or testing needed to validate safety analysis assumptions or controls. 


Basic Qualifications: 

  • B.S. degree in civil engineering, nuclear engineering or similar engineering or scientific discipline.   

  • Minimum 5 years of experience in engineering or safety analysis. 

  • Highly knowledgeable and proficient in material designs such as steel, concrete, and masonry. 

  • Ability to work with AISC, ACI, and ANSI. 

  • Proficiency with computer software such as SAP2000, ANSYS, and/or STAAD Pro. 

  • 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. 


Preferred Qualifications: 

  • Advanced degree in a relevant field.  

  • General engineering background with experience and knowledge related to mechanical and electrical systems, construction, underground utilities, heavy load evaluations, and/or incorporation of new designs into aging structures. 

  • Familiarity with ASME B31.1 and BPVC; NFPA 13, 70, and 72; DOE/EH-0545; DOE-STD-1020; and/or DOE-STD-1090. 

  • Previous experience with the Unreviewed Safety Question process or 10 CFR 50.59. 

  • Experience at a commercial, research, or naval reactor.   

  • Experience with DOE-STD-3009 and/or Regulatory Guide 1.70.   

  • NRC/DOE regulatory experience and/or past interaction with regulators. 


Special Requirements: 

L clearance: 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. 


Visa sponsorship is not available for this position.  


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




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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