These positions are located in Nuclear Reactor Regulation (NRR), Division of Risk Assessment and Safety Systems (DRSS), Nuclear Engineering Branch B (NEBB) and Office of Advanced Reactors (OAR).
The supervisors are Nicholas DiFrancesco and Scott Krepel.
These positions are subject to Confidential Financial Disclosure reporting requirements.
These positions are subject to security ownership restriction reporting requirements.
Summary
These positions are located in Nuclear Reactor Regulation (NRR), Division of Risk Assessment and Safety Systems (DRSS), Nuclear Engineering Branch B (NEBB) and Office of Advanced Reactors (OAR).
The supervisors are Nicholas DiFrancesco and Scott Krepel.
These positions are subject to Confidential Financial Disclosure reporting requirements.
These positions are subject to security ownership restriction reporting requirements.
The successful candidate will perform the full range of Nuclear Engineer, GG-0840-14.
Such duties include but are not limited to:
Responsible for the following pertaining to reactor core or fuel design, nuclear methods, reactor systems and evaluations of operating performance for operating or new light-water or non-light-water power or non-power production or utilization facility applications: 1) performing and supporting reviews and evaluations of the reactor core, fuel and thermal-hydraulic systems design, process design parameters, nuclear methods, and performance, 2) supporting the resolution of complex technical issues and licensing problems, 3) providing in-depth technical assistance and authoritative advice relating to the safety aspects of the reactor core and systems design.
You must meet the qualifications for this position by no later than 30 calendar days after the closing date of this announcement and before placement in the position.
All information in your resume must be true and accurate.
Conditions of Employment:
U.S. Citizenship Required
This is a Drug Testing position
Must be able to meet and maintain security & suitability requirements.
As a condition of employment for accepting this position, you will be required to serve a 1 or 2-year trial period during which we will evaluate your fitness and whether your continued employment advances the public interest. In determining if your employment advances the public interest, we may consider:
your performance and conduct;
the needs and interests of the agency;
whether your continued employment would advance organizational goals of the agency or the Government; and
whether your continued employment would advance the efficiency of the Federal service.
Upon completion of your trial period your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest.
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 that demonstrates your ability to perform the work of this position at the GG/GS-14 grade level or equivalent pay band to include experience performing complex nuclear engineering reviews, support of regulatory reviews, policy, and technical decision-making. Experience collaborating with internal and external stakeholders to accomplish goals and objectives.
The ideal candidate will be able to demonstrate the following:
Demonstrate capacity to apply the theories, principles, and practices in the field of reactor core, fuel and thermal-hydraulic systems design and nuclear methods sufficient to perform complex reviews and evaluations of nuclear and thermal-hydraulic aspects of the reactor core under steady-state, transient, and accident conditions, including issues pertaining to core physics, fuel behavior, and reactivity control system and control rod design for operating or new light-water or non-light-water power or non-power reactor or nuclear fuel designs.
Demonstrate ability in formulating sound technical judgements, making technical or policy recommendations, and finding solutions to unique first of a kind technical or policy challenges regarding issues pertaining to event evaluation in the areas of core physics, fuel behavior, reactivity control system and control rod design, and core thermal-hydraulic performance.
Demonstrate knowledge of NRC rules, regulations, and policies pertaining to light-water or non-light-water power or non-power production or utilization facilities through familiarity with NRC's advanced reactor vison, strategy, and policy activities, reactor licensing regulations, passive reactor design policies, system design standards, and regulatory guides and practices.
Demonstrate ability to communicate information, ideas, and advice in a clear, concise, and logical manner, both orally and in writing. Demonstrate ability to establish and maintain effective work relationships with management and staff, colleagues, and representatives of external organizations.
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.
Education
Basic Requirement for 0840 Series:
A. Degree: Engineering to be acceptable, the program must: (1) lead to a bachelor's degree in a school of engineering with at least one program accredited by ABET; or (2) include differential and integral calculus and courses (more advanced than first-year physics and chemistry) in five of the following seven areas of engineering science or physics: (a) statics, dynamics; (b) strength of materials (stress-strain relationships); (c) fluid mechanics, hydraulics; (d) thermodynamics; (e) electrical fields and circuits; (f) nature and properties of materials (relating particle and aggregate structure to properties); and (g) any other comparable area of fundamental engineering science or physics, such as optics, heat transfer, soil mechanics, or electronics.
OR
B. Combination of education and experience-- college-level education, training, and/or technical experience that furnished (1) a thorough knowledge of the physical and mathematical sciences underlying engineering, and (2) a good understanding, both theoretical and practical, of the engineering sciences and techniques and their applications to one of the branches of engineering. The adequacy of such background must be demonstrated by one of the following:
1. Professional registration or licensure-- Current registration as an Engineer Intern (EI), Engineer in Training (EIT)1, or licensure as a Professional Engineer (PE) by any State, the District of Columbia, Guam, or Puerto Rico. Absent other means of qualifying under this standard, those applicants who achieved such registration by means other than written test (e.g., State grandfather or eminence provisions) are eligible only for positions that are within or closely related to the specialty field of their registration. For example, an applicant who attains registration through a State Board's eminence provision as a manufacturing engineer typically would be rated eligible only for manufacturing engineering positions.
2.Written Test --Evidence of having successfully passed the Fundamentals of Engineering (FE)2 examination or any other written test required for
professional registration by an engineering licensure board in the various States, the District of Columbia, Guam, and Puerto Rico.
3. Specified academic courses --Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A.
4. Related curriculum --Successful completion of a curriculum leading to a bachelor's degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelor's degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. Ordinarily there should be either an established plan of intensive training to develop professional engineering competence, or several
years of prior professional engineering-type experience, e.g., in interdisciplinary positions. (The above examples of related curricula are not all inclusive.)
You must include an unofficial or official copy of your college and/or university transcripts with your application. Transcript must include the School Name, Student Name, Degree and Date Awarded (if applicable). Education must be from an accredited (or pre-accredited) college or university recognized by the U.S. Department of Education. If you have multiple degrees (e.g., BS, MS, PhD) please submit transcripts for each degree.
FOREIGN EDUCATION: Education completed in foreign colleges or universities may be used to meet the requirements. You must show proof the education credentials have been deemed to be at least equivalent to that gained in a conventional U.S. education program. It is your responsibility to provide such evidence when applying. For special instructions pertaining to foreign education and a list of organizations that can evaluate foreign education, see the Department of Education website. If you are qualifying on foreign education, you MUST submit proof of creditability of education as evaluated by a credentialing agency. Transcripts must be uploaded with your application to verify education. All documentation must be in English or include an English translation.
Additional information
This position may be eligible for situational telework in accordance with agency policy.
This job opportunity announcement may be used to fill additional vacancies within the agency.
Selectees will be required to complete a "Declaration of Federal Employment", (OF-306), prior to being appointed to determine their suitability for Federal employment and to authorize a background investigation. False statements or responses on your resume or questionnaire can jeopardize your employment opportunity and subject you to disciplinary action, including removal from Federal service.
The NRC is a zero-tolerance agency with respect to illegal drug use. Individuals selected for these positions will be subject to pre-appointment drug testing.
A transferable security clearance from another agency or a background investigation leading to a clearance is required for all new hires. To begin work at the NRC without a security clearance, you must be granted a temporary waiver of the required clearance, referred to as a 145(b) waiver. To be eligible for a 145(b) waiver you will need a favorable education verification, reference, credit, and criminal history checks. If a waiver is granted, the successful completion of a background investigation and favorable adjudication is required for continued employment.
If you have resided outside the U.S. for an extended period of time, the agency may not be able to (1) grant the 145(b) waiver where the required investigation cannot be completed in a timely manner, or (2) achieve timely completion of the background investigation required for a security clearance.
Candidates should be committed to improving the efficiency of the Federal government, passionate about the ideals of our American republic, and committed to upholding the rule of law and the United States Constitution.
A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.
As an NRC employee you will enjoy excellent Federal Benefits, including: comprehensive health and life insurance plans; Flexible Spending Account Program for health and dependent care; Dental and Vision Insurance; retirement savings and investment plan similar to 401(k) (Thrift Savings Plan); annual (vacation) and paid sick leave; family friendly leave policies; 11 paid holidays per year; transit benefits. This link provides an overview of the benefits currently offered to Federal employees.
Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.
How you will be evaluated
You will be evaluated for this job based on how well you meet the qualifications above.
When the application process is complete, your application will be reviewed to determine if you meet the job requirements. Your application will be evaluated based on the information provided in your resume and responses to any vacancy questions to determine your level of knowledge, skills, and abilities related to the job requirements. You must respond to all required application questions.
If you are among the top candidates for this position, your application will be referred to the hiring manager for possible interview and selection based upon the number of available vacancies to be filled in each office.
Your resume is the key means we have for evaluating your skills, knowledge, and abilities as they relate to this position. Therefore, we encourage you to submit a resume that directly relates to this position.
A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.
As an NRC employee you will enjoy excellent Federal Benefits, including: comprehensive health and life insurance plans; Flexible Spending Account Program for health and dependent care; Dental and Vision Insurance; retirement savings and investment plan similar to 401(k) (Thrift Savings Plan); annual (vacation) and paid sick leave; family friendly leave policies; 11 paid holidays per year; transit benefits. This link provides an overview of the benefits currently offered to Federal employees.
Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.
The following documents are required for your application package to be complete. If you fail to provide any required documents, you will be marked as having an incomplete application package and you will not be considered any further.
Resume that includes: 1) personal information such as name, address, contact information; 2) education; 3) detailed work experience including work schedule, hours worked per week, dates of employment, title, series, grade (if applicable); and 4) other qualifications. Please limit your resume to 2 pages. See below for Additional Resume Information.
Transcripts: You must submit an official or unofficial copy of your college and/or university transcripts with your application, if the position has a positive education requirement. Failure to submit transcripts will result in loss of consideration. Diplomas do not provide the information needed for determining qualifications and will not be accepted in lieu of transcripts.
In addition to the above, you must submit the documents below if you claim the following eligibilities:
Current Federal Employees/Reinstatement Eligibles: You must submit a copy of your most recent non-award SF-50 (Notification of Personnel Action) to verify competitive/excepted status or reinstatement eligibility. Applicants who only submit an award SF-50 will not receive further consideration.
Veteran Preference Eligibles: You must submit DD-214 showing type of discharge/character of service (e.g. DD-214 Member 4 Copy); SF-15 Form; and related documentation such as a VA letter showing disability percentage. If currently on active duty, you must submit a certification of expected discharge or release from active-duty service under honorable conditions not later than 120 days after the date the certification is submitted. Veteran's preference must be verified prior to appointment. You can find additional information about Veterans' Preference at http://www.fedshirevets.gov/.
Individuals with Disabilities: If you are applying under the Schedule A Hiring Authority, you must submit supporting documentation (i.e., Schedule A Letter). You may refer to the following link for additional information. USAJOBS Help Center - Individuals with disabilities.
Military Spouse: All military spouses must submit documentation verifying marriage to the service member (e.g., marriage certificate); AND
Current military orders (e.g., statement of service) to support active-duty service for more than 180 consecutive days; OR
If you are a spouse of a 100% disabled service member, documentation must include service member's DD-214 and 100% service disability (e.g., VA Letter); OR
If you are an un-remarried widow or widower of a service member killed while on active duty, documentation must include verification of service member's death while on active duty (e.g., DD-1300).
Peace Corps: You must submit a copy of your description of service or other proof of non-competitive eligibility.
All application materials, including transcripts, must be in English.
Additional Resume Information:
Your resume is crucial in our evaluation of your qualifications. Resumes should clearly demonstrate your skills, knowledge, and abilities. Please limit your résumé to 2 pages. To ensure your resume contains all required information, we encourage you to use the USAJOBS Resume Builder. If you choose to use your own resume, please ensure it contains all the required information, and you organize it so we can associate the following information with each experience/position:
Job title
Name of employer
Beginning and ending dates of employment (month/year) format
Hours worked per week. We will assume full-time unless otherwise stated. We will pro-rate part-time employment in crediting experience.
Concise, results-focused language for job duties, accomplishments, related skills, and responsibilities to include any supervisory/managerial responsibilities and number of staff supervised (if applicable).
Series and grade or equivalent (if a federal position).
Do not include a photograph or video of yourself, or any sensitive information (age, date of birth, marital status, protected health information, religious affiliation, social security number, etc.) or other inappropriate material on your resume or cover letter. If your resume contains prohibited information as listed above, your application may be determined ineligible, and you will not receive consideration for this position. We will not access web pages linked on your resume or cover letter, links to social media such as LinkedIn, to determine your qualifications. Cover letters are optional.
If you are relying on your education to meet qualification requirements:
Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.
Please read the entire announcement and all instructions before you begin an application. To be considered for this position, you must complete the online application process and submit all required documents electronically by 11:59 p.m. Eastern Time (ET) on 10/23/2026. Incomplete or late applications will not be considered. For a preview of the application questions, please see https://apply.usastaffing.gov/ViewQuestionnaire/13071367.
To begin your application, select the "Apply" button located on the right side of this screen. Follow the subsequent prompts to log in or register, submit all required documents, answer the questions, and complete the application process. You may either select your required documents within your USAJOBS profile to upload with your application or directly upload them during the application process. The following types of document types can be uploaded: .gif, jpg., .jpeg, .png, .rtf, .pdf, .doc, and .docx.
Important Considerations:
Paper Applications: Paper applications will not be accepted unless you can demonstrate hardship circumstances through the agency contact listed below.
Application Extensions: Requests for application extensions will not be granted.
Hardship Assistance: If you experience hardship applying online, please contact the Human Resources Specialist listed below for assistance. You must reach out during business hours before the announcement closing date and speak with someone who can provide support for your online submission.
The NRC provides reasonable accommodation to applicants with disabilities where appropriate. If you need a reasonable accommodation for any part of the application and hiring process, please notify the coordinator at (301) 415-5888 or TDD 240-482-3217. Determinations on requests for reasonable accommodation will be made on a case-by-case basis.
Your complete application must include your resume, responses to all required vacancy questions, and any required documents that prove your eligibility to apply.
Division of Risk Assessment and Safety Systems
11555 Rockville Pike
Rockville, MD 20852
US
Next steps
You may check the status of your application at any time after the announcement closes by logging onto USAJOBs and selecting "Application Status." You will receive an acknowledgement email that your submission was successful. We will review your resume, question responses, and transcript(s) (if appropriate) to ensure you meet the qualification requirements. We will evaluate each applicant who meets the basic qualifications on the information provided and may interview the best-qualified applicants. After making a tentative job offer, we will conduct a suitability and/or security background investigation.
The Federal hiring process is set up to be fair and transparent. Please read the following guidance.
The following documents are required for your application package to be complete. If you fail to provide any required documents, you will be marked as having an incomplete application package and you will not be considered any further.
Resume that includes: 1) personal information such as name, address, contact information; 2) education; 3) detailed work experience including work schedule, hours worked per week, dates of employment, title, series, grade (if applicable); and 4) other qualifications. Please limit your resume to 2 pages. See below for Additional Resume Information.
Transcripts: You must submit an official or unofficial copy of your college and/or university transcripts with your application, if the position has a positive education requirement. Failure to submit transcripts will result in loss of consideration. Diplomas do not provide the information needed for determining qualifications and will not be accepted in lieu of transcripts.
In addition to the above, you must submit the documents below if you claim the following eligibilities:
Current Federal Employees/Reinstatement Eligibles: You must submit a copy of your most recent non-award SF-50 (Notification of Personnel Action) to verify competitive/excepted status or reinstatement eligibility. Applicants who only submit an award SF-50 will not receive further consideration.
Veteran Preference Eligibles: You must submit DD-214 showing type of discharge/character of service (e.g. DD-214 Member 4 Copy); SF-15 Form; and related documentation such as a VA letter showing disability percentage. If currently on active duty, you must submit a certification of expected discharge or release from active-duty service under honorable conditions not later than 120 days after the date the certification is submitted. Veteran's preference must be verified prior to appointment. You can find additional information about Veterans' Preference at http://www.fedshirevets.gov/.
Individuals with Disabilities: If you are applying under the Schedule A Hiring Authority, you must submit supporting documentation (i.e., Schedule A Letter). You may refer to the following link for additional information. USAJOBS Help Center - Individuals with disabilities.
Military Spouse: All military spouses must submit documentation verifying marriage to the service member (e.g., marriage certificate); AND
Current military orders (e.g., statement of service) to support active-duty service for more than 180 consecutive days; OR
If you are a spouse of a 100% disabled service member, documentation must include service member's DD-214 and 100% service disability (e.g., VA Letter); OR
If you are an un-remarried widow or widower of a service member killed while on active duty, documentation must include verification of service member's death while on active duty (e.g., DD-1300).
Peace Corps: You must submit a copy of your description of service or other proof of non-competitive eligibility.
All application materials, including transcripts, must be in English.
Additional Resume Information:
Your resume is crucial in our evaluation of your qualifications. Resumes should clearly demonstrate your skills, knowledge, and abilities. Please limit your résumé to 2 pages. To ensure your resume contains all required information, we encourage you to use the USAJOBS Resume Builder. If you choose to use your own resume, please ensure it contains all the required information, and you organize it so we can associate the following information with each experience/position:
Job title
Name of employer
Beginning and ending dates of employment (month/year) format
Hours worked per week. We will assume full-time unless otherwise stated. We will pro-rate part-time employment in crediting experience.
Concise, results-focused language for job duties, accomplishments, related skills, and responsibilities to include any supervisory/managerial responsibilities and number of staff supervised (if applicable).
Series and grade or equivalent (if a federal position).
Do not include a photograph or video of yourself, or any sensitive information (age, date of birth, marital status, protected health information, religious affiliation, social security number, etc.) or other inappropriate material on your resume or cover letter. If your resume contains prohibited information as listed above, your application may be determined ineligible, and you will not receive consideration for this position. We will not access web pages linked on your resume or cover letter, links to social media such as LinkedIn, to determine your qualifications. Cover letters are optional.
If you are relying on your education to meet qualification requirements:
Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.
Please read the entire announcement and all instructions before you begin an application. To be considered for this position, you must complete the online application process and submit all required documents electronically by 11:59 p.m. Eastern Time (ET) on 10/23/2026. Incomplete or late applications will not be considered. For a preview of the application questions, please see https://apply.usastaffing.gov/ViewQuestionnaire/13071367.
To begin your application, select the "Apply" button located on the right side of this screen. Follow the subsequent prompts to log in or register, submit all required documents, answer the questions, and complete the application process. You may either select your required documents within your USAJOBS profile to upload with your application or directly upload them during the application process. The following types of document types can be uploaded: .gif, jpg., .jpeg, .png, .rtf, .pdf, .doc, and .docx.
Important Considerations:
Paper Applications: Paper applications will not be accepted unless you can demonstrate hardship circumstances through the agency contact listed below.
Application Extensions: Requests for application extensions will not be granted.
Hardship Assistance: If you experience hardship applying online, please contact the Human Resources Specialist listed below for assistance. You must reach out during business hours before the announcement closing date and speak with someone who can provide support for your online submission.
The NRC provides reasonable accommodation to applicants with disabilities where appropriate. If you need a reasonable accommodation for any part of the application and hiring process, please notify the coordinator at (301) 415-5888 or TDD 240-482-3217. Determinations on requests for reasonable accommodation will be made on a case-by-case basis.
Your complete application must include your resume, responses to all required vacancy questions, and any required documents that prove your eligibility to apply.
Division of Risk Assessment and Safety Systems
11555 Rockville Pike
Rockville, MD 20852
US
Next steps
You may check the status of your application at any time after the announcement closes by logging onto USAJOBs and selecting "Application Status." You will receive an acknowledgement email that your submission was successful. We will review your resume, question responses, and transcript(s) (if appropriate) to ensure you meet the qualification requirements. We will evaluate each applicant who meets the basic qualifications on the information provided and may interview the best-qualified applicants. After making a tentative job offer, we will conduct a suitability and/or security background investigation.
Fair and transparent
The Federal hiring process is set up to be fair and transparent. Please read the following guidance.
