Demo

Senior Simulator Engineer/Scientist

Human Resources Learning and Development Division
Chattanooga, TN Other
POSTED ON 6/2/2026
AVAILABLE BEFORE 6/10/2026
This position is located in Chief Human Capital Officer (OCHCO), Learning Innovation & Support Branch (LISB), Technical Training Center (TTC) This job opportunity announcement may be used to fill additional vacancies within the agency.

The supervisor is Jeff Griffis.
This position is not subject to Confidential Financial Disclosure reporting requirements.
This position is not subject to security ownership restriction reporting requirements.

Qualifications:

In order to qualify for this position, you must have at least one year of specialized experience at the next lower grade level in the Federal service or equivalent experience in the private or public sector.

SPECIALIZED EXPERIENCE is defined as: Experience with full-scope nuclear reactor training simulators, including performing hardware and software analyses, updates, and modifications to ensure accurate performance aligned with reference plants, and regulatory standards. Experience should include applying knowledge of nuclear plant systems and simulator modeling tools, programming languages, and operating systems to enhance simulator reliability, capabilities, and training effectiveness.


The ideal candidate will be able to demonstrate the following:

  1. Demonstrated knowledge and understanding of current BWR or PWR nuclear power facilities in the areas of systems design, layout, components, design logic, operating requirements, and technical specifications. Examples may include training or work experience at nuclear power plants in operations or system engineering in the areas of systems design, layout, components, design logic, operating requirements, and technical specifications.
  2. Demonstrated knowledge of the use of full scope training simulators in nuclear training applications. Examples may include accomplishments and experience in the field of nuclear power plant simulation, including configuration management and associated computer systems, and software and experience that demonstrate knowledge and understanding of technological issues, problems, and potential solutions in simulation systems, equipment and modeling.
  3. Demonstrated knowledge of simulation modeling tools used to develop simulation models of power plant systems with the ability to manage nuclear plant design changes, major operational events, and new developments in reactor technology and apply this information through simulator modeling enhancements. Examples may include experience and proficiency using nuclear power plant simulation commercial tools such as SimExec and Jade, as well as associated simulation variable database and debugging tools and experience using commercial code and applications such as FORTRAN, C , Access, Visual Studio, and PHP.
  4. Demonstrated oral and written communication skills effectively conveying and presenting technical information to colleagues, peers, and management.
  5. Demonstrated knowledge and experience managing technical programs including, establishing and meeting budgets, and meeting program goals within schedules and resource constraints. Examples may include project management or experience as a project officer or contract officer's representative providing oversight of contract staff.


A description of how you possess the specialized experience as well as how you meet the qualifications desired in an ideal candidate must be addressed in your resume. Applicants may also use the supplemental vacancy question to provide additional information pertaining to the specialized experience and ideal candidate criteria.

PLEASE BE CLEAR AND CONCISE. WE WILL NOT MAKE ASSUMPTIONS REGARDING YOUR EXPERIENCE.

Responsibilities:

The successful candidate will perform the full range of Senior Simulator Engineer duties.

Such duties include but are not limited to:
  • Provides expert advice, guidance and expertise on controlled simulators to a team of engineers
    regarding the day-to-day operability of NRC-controlled simulators.
  • Provides guidance for the development and maintenance of spare parts inventories for NRC-controlled
    simulators to ensure maximum availability of simulators in support of NRC technical training.
  • Directs, plans and performs software updates to correct identified problems with simulator software
    modeling or to add new modeling to increase the simulation capabilities.
  • Directs, plans, develops, and implements approved modifications to NRC-controlled simulators to
    enhance their use as training, research, or analysis devices.
  • Leads and performs complex engineering analysis and evaluations on simulator hardware and computer
    systems to ensure proper simulator performance with respect to simulator reference plants and/or best
    estimate codes.
  • Leads engineering teams in the preparation of engineering calculations, standards, specifications, test
    procedures, comprehensive written reports, and procedures for conduct of simulator engineering
    services.
  • Plans, recommends, and implements approved changes to the configuration of NRC-controlled
    simulators to improve hardware reliability, software modeling, ease of use, and training effectiveness.
  • Provides guidance to TTC Reactor Technology Instructors in development of valid reactor simulator
    scenarios for training purposes.

Salary : $125,776

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