Senior Simulator Engineer/Scientist

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: 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. 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. 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. Demonstrated oral and written communication skills effectively conveying and presenting technical information to colleagues, peers, and management. 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. 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.

Position Details

• Job Title: Senior Simulator Engineer/Scientist
• Company / Organisation: Nuclear Regulatory Commission
• Location: Chattanooga, Tennessee
• Employment Type: Full-time
• Field / Industry: Software Development
• Work Arrangement: On-site or hybrid - Chattanooga, Tennessee

About This Opportunity

This full-time opportunity at Nuclear Regulatory Commission is an excellent opening for experienced professionals in the field of software engineering and technology. The role is structured around an on-site or hybrid environment based in Chattanooga, Tennessee and is designed for candidates who are ready to make a meaningful contribution from the moment they join.

Based in Chattanooga, Tennessee, this role offers the opportunity to collaborate closely with a local team in a structured professional environment. Candidates currently based in the area or open to relocation are strongly encouraged to apply.

Whether you are an established practitioner in software engineering and technology or a highly skilled professional looking for your next challenge, this Senior Simulator Engineer/Scientist role offers the platform to apply your expertise in a real-world, results-oriented environment. Nuclear Regulatory Commission is looking for a candidate who can hit the ground running and add genuine value to the team.

Who Should Apply

This role is ideal for candidates who have a solid background in software engineering and technology and a demonstrable track record of delivering high-quality results. You should possess analytical thinking, attention to technical detail, and a methodical approach to problem-solving. Experience working with modern development tools, version control systems, and cloud platforms will be an advantage, though a commitment to continuous learning and professional development is equally valued.

Beyond technical or domain expertise, Nuclear Regulatory Commission is looking for someone who communicates clearly, collaborates effectively with colleagues and stakeholders, and takes ownership of their work from start to finish. If you thrive in a professional environment and are passionate about the opportunity to build reliable, scalable, and high-performing digital products, we encourage you to apply.

Key Competencies for This Role

Successful candidates for the Senior Simulator Engineer/Scientist position at Nuclear Regulatory Commission will typically demonstrate the following core competencies:

• Domain expertise - a strong foundation of knowledge and hands-on experience in software engineering and technology
• Problem-solving ability - the capacity to identify challenges, think critically, and implement practical solutions efficiently
• Communication skills - clear and professional communication with colleagues, stakeholders, and partners at all levels
• Self-management - strong time management and the ability to prioritise a varied workload while meeting deadlines
• Team collaboration - a collaborative and supportive approach to working alongside colleagues across departments or locations
• Adaptability - the ability to respond positively to change and thrive in a dynamic, evolving work environment

How to Apply

To apply for this Senior Simulator Engineer/Scientist position at Nuclear Regulatory Commission, click the "Apply Now" button on this page. You will be taken directly to the official application page where you can complete and submit your application.

Before applying, please ensure that your CV or résumé is fully up to date and clearly highlights your experience and accomplishments in software engineering and technology. If a cover letter is included or requested, tailor it specifically to this role and explain how your background, skills, and goals align with what Nuclear Regulatory Commission is looking for in a Senior Simulator Engineer/Scientist.

All applications for this role are processed directly by Nuclear Regulatory Commission. Career Nest facilitates the job discovery process and does not pre-screen or forward applications on behalf of employers. There are no fees for job seekers at any stage of the application process.

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