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Nuclear Instrumentation and Controls Engineer

Date: May 11, 2022

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 8243 


Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security.


We are seeking a Nuclear Instrumentation and Controls Engineer who will support the Systems Engineering, Design, and Fabrication Group in the Research Reactors Division (RRD), Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (ORNL).


In this role you will be responsible for the design, development, implementation, and maintenance of the division’s software-based Industrial Control Systems (ICS) throughout the entire system development life cycle, including configuration control, software quality assurance, and cyber security.  Additionally, you will ensure conformance to software requirements through effective software quality assurance activities, providing the basis for planning, implementing, maintaining, and operating the software being developed as well as ensure appropriate operational security posture is maintained for all ICS on matters involving cyber security. 


This position will function as a cognizant system engineer for the assigned HFIR plant systems in the HFIR System Engineering Program in accordance with DOE O 420.1 for the hazard category 1 nuclear facility and shall be qualified as a HFIR System Engineer in the RRD Training Program. 


The Systems Engineering, Design, and Fabrication Group is responsible for the High Flux Isotope Reactor (HFIR) configuration management program.  This group also provides technical support to operations and maintenance, and performs systems analysis. 


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 for neutron scattering research, each year carrying out in excess of 1,000 experiments in the physical, chemical, materials, biological and medical sciences. HFIR also provides unique facilities for isotope production and neutron irradiation. To learn more about Neutron Sciences at ORNL go to:


Major Duties/Responsibilities: 


  • Plan and manage engineering activities for assigned areas of responsibility, including integration of digital control systems
  • Make recommendations to HFIR management regarding technical issues
  • Provide formal and informal plant status updates to HFIR management
  • Provide input to HFIR management for planning and implementation of fiscal year budget and schedule

Configuration Management

  • Prepares engineering designs for new installations and for replacement and upgrade of reactor structures, systems, and components
  • Performs calculations and analyses to support design development
  • Applies relevant codes and standards, such as DOE Orders, ICC, IEEE (including Nuclear Standards), etc.
  • Task leads field installation and testing of engineering design changes
  • Prepares design specifications to define and determine performance criteria for component upgrades
  • Writes material specifications and initiates procurement of nuclear safety-related materials
  • Implements modifications in accordance with nuclear configuration control processes
  • Prepares and maintains as-built documentation for assigned reactor systems, including engineering drawings, specifications, system descriptions, relevant databases, and labeling.


Maintenance Support

  • Troubleshoots and analyzes system and component failures and develops corrective actions
  • Provides written work package instructions to perform and document work
  • Provides field technical supports to craft supervisors and craft
  • Develops and implements preventive and predictive maintenance work instructions.


System Analysis

  • Analyzes and trends results of preventive and predictive maintenance data
  • Analyzes equipment performance history
  • Performs overall systems health evaluation in accordance with HFIR’s Reliability Program, which involves the following:
    • System Health Indicators
    • Identification of new and status of existing equipment vulnerabilities
    • HFIR 3-Year Planning Activities
    • Identification of Spare Parts deficiencies
    • Walk-Downs to Assess System Configuration and Material Condition
    • Assessment of open Modifications, Deviations, and Corrective Work Packages
  • Supports engineering design for upgrade of plant systems
  • Some work will be done in Radiological Areas and in energized electrical compartments


Basic Qualifications:

  • A Bachelor’s Degree in Electrical Engineering, Computer Science, or a related field and a minimum of 5 years of relevant experience. A combination of education and experience may also be considered
  • Experience with HMI/SCADA control systems software including Allen-Bradley ControlLogix, GE iFIX/iHistorian, and Visual Basic
  • Experience with servers, networking components, common protocols, and databases
  • Demonstrated ability to develop and interpret requirements and technical specifications
  • Understanding of software quality assurance principles and processes
  • This position requires Rad Worker II and Qualified Electrical Worker 2 training


Work involves various physical requirements and working conditions. As such, a pre-hire physical will be required after offer. 


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.


Preferred Qualifications:

  • Demonstrated ability in hardware/software integration
  • 7 or more years of experience with electrical, instrumentation and control, or digital control systems at a nuclear facility
  • Experience with administration of historians, web-based clients, and SQL databases
  • Familiarity with the regulatory programs which define the HFIR work environment, including DOE Orders pertaining to conduct of operation and maintenance, OSHA requirements, and IEEE standards
  • Excellent written and oral communication skills
  • Motivated self-starter with the ability to work independently and to participate creatively in collaborative teams across the laboratory 
  • Ability to function well in a fast-paced research environment, set priorities to accomplish multiple tasks within deadlines, and adapt to ever changing needs


Regulatory Requirements and Consensus Standards:

  • 10CFR830 – Nuclear Safety Management
  • DOE O 414.1D – Quality Assurance
  • ASME NQA-1 – Quality Assurance Requirements for Nuclear Facility Applications
  • FISMA 2002 – Federal Information Security Management Act of 2002
  • NIST Special Publication (SP) 800 Series – Computer Security


Moving can be overwhelming and expensive. UT-Battelle offers a generous relocation package to ease the transition process. Domestic and international relocation assistance is available for certain positions. If invited to interview, be sure to ask your Recruiter (Talent Acquisition Partner) for details.


*Visa Sponshorship is not available for this position.*


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.

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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.

Nearest Major Market: Knoxville