Reactor Systems Engineer

Summary

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These positions are

being filled via Direct Hire Authority.

This position is located in the Office of Nuclear Reactor Regulation (NRR), Division of Advanced Reactors and Non-Power Production and Utilization Facilities (DANU), Technical Branch 3. The supervisor is Greg Oberson. This position is not subject to Confidential Financial Disclosure reporting requirements and issubject to security ownership restriction reporting requirements.

This job is open to

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The public

U.S. Citizens, Nationals or those who owe allegiance to the U.S.

Federal employees - Competitive service

Current federal employees whose agencies follow the U.S. Office of Personnel Management's hiring rules and pay scales.

Federal employees - Excepted service

Current federal employees whose agencies have their own hiring rules, pay scales and evaluation criteria.

Career transition (CTAP, ICTAP, RPL)

Federal employees whose job, agency or department was eliminated and are eligible for priority over other applicants.

Land and base management

Current or former employees of a base management agency.

Veterans

Veterans of the U.S. Armed Forces or a spouse, widow, widower or parent of a veteran, who may be eligible for derived preference

Military spouses

Military spouses relocating under PCS orders or whose spouse is 100% disabled or died while on active duty.

National Guard and reserves

Current members, those who want to join or transitioning military members.

Individuals with disabilities

Individuals who are eligible under Schedule A.

Native Americans

Native Americans or Alaskan Natives with a tribal affiliation.

Peace Corps & AmeriCorps Vista

Individuals who have served at least 2 years with the Peace Corps or 1 year with AmeriCorps VISTA.

Special authorities

Individuals eligible under a special authority not listed in another hiring path.

Clarification from the agency

Please read this Public Notice for Direct Hire in its entirety prior to submitting your application for consideration. You are applying to a resume database. Your resume and any documents submitted will be retained and may be used at any time during the open period of this Public Notice. U.S. Citizenship is REQUIRED. DHA is not permitted for internal NRC promotion actions. Based on the staffing needs of the agency, additional selections may be made from this vacancy announcement.

Duties

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As a Reactor Systems Engineer in NRR’s Division of Advanced Reactors and Non-Power Production and Utilization Facilities, you will support the mission of Technical Branch 3:

The following criteria and subsequent guidance given below are intended to provide a general benchmark for the evaluation of candidates. They are not intended to be all inclusive and do not substitute for each reviewer's best judgment regarding the evaluation of rating factors for each applicant. In evaluating each candidate against the rating factors, consider the following aspects as they relate to the factors in determining level of knowledge, skill, or ability of the candidates:

• Breadth, recency and length of experience in the field;
  

Past and current performance;

• Training, awards, and commendations; and
  
• Community or outside professional activities
  

As a Reactor Systems Engineer in NRR’s Technical Branch 3, you will be responsible for:

• Reviewing and evaluating the design and performance of systems for advanced, non-light water reactors, including the reactor core, safety features, confinement and structural support elements, and fuel control and handling systems;
  

• Assessing the reactor response to transient and accident conditions for design basis events;
  

• Conducting reactor systems confirmatory analyses for advanced, non-light water reactor licensing reviews and topical report reviews;
  

• Reviewing and evaluating policy issues related to reactor systems for advanced, non-light water reactor designs and methodologies;
  

• Preparing safety evaluation reports, audit reports, and other documentation related to advanced non-light water reactor design reviews and topical report reviews; and
  

• Presenting results of evaluations before the Advisory Committee on Reactor Safeguards (ACRS) and other technical briefings, providing testimony at advanced non-light water reactor hearings, and performing technical audits related to reactor systems performance and design basis event evaluation.
  

Requirements

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Conditions of employment

• U.S. Citizenship Required
  
• This is a Drug Testing position.
  
• Must be able to meet/maintain security & suitability requirements.
  

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.

Selectees may be required to serve a trial period to assess their overall fitness and qualifications for continued employment. The trial period for new employees is two years. New employees who are preference eligible veterans serve a one-year trial period.

All information in your resume must be true and accurate.

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.

The ideal candidate will be able to demonstrate the following:

Demonstrated knowledge of the theories, principles, and practices in the field of reactor systems sufficient to evaluate the designs, and performance of advanced non-light water reactors.

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Demonstrated ability in formulating sound technical judgements, making recommendations, and finding solutions in regards to issues pertaining to design basis event evaluation of reactor systems.

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Demonstrated knowledge of NRC rules, regulations, and policies pertaining to research and test reactors and power reactors through familiarity with the Part 52 and Part 50 reactor regulatory frameworks, topical report methodology processes, consensus codes and standards, regulatory guides and practices, and through the performance of regulatory reviews associated with the design and licensing of advanced non-light water reactors.

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• Demonstrated ability to communicate information, ideas, and advice in a clear, concise, and logical manner, both orally and in writing. Demonstrated ability to establish and maintain effective work relationships with management and staff, colleagues, and representatives of external organizations.
  

Specialized Experience is defined as experience in the oversight of nuclear reactor safety and regulatory compliance with the ability to review and evaluate the design and performance of reactor systems to ensure safe operation.

A description of how you possess the specialized experience as well as how you meet the qualifications desired in an ideal candidate should be addressed in your resume.

Education

0801 Basic Requirements:

• 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

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.)

Additional information

The duty location of this position is Rockville, MD. Telework schedules, including full-time telework, are approved, on a case-by-case basis. If selected, telework will be determined in accordance with Agency policy.

Individuals who are eligible for non-competitive appointment under an OPM special appointing authority may apply for consideration under a comparable NRC non-competitive appointing authority. Veterans, please visit: FedsHireVets

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) 287-0745 or TDD 240-482-3217. Determinations on requests for reasonable accommodation will be made on a case-by-case basis.

Selectee's 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 wavier 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.

Benefits

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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. https://help.usajobs.gov/index.php/Pay_and_Benefits

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

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You will be evaluated for this job based on how well you meet the qualifications above.

When the application process is complete, you will be evaluated for this job based on how well you meet the qualifications above. Applications will be evaluated based upon the information provided in your resume and your responses to the vacancy questions to determine your qualification for these positions. Breadth, recency, and length of experience in the field; training, awards, and commendations; past and current performance; and community or outside professional activities will be considered to determine your level of knowledge, skill or ability for this position. You must respond to all required application questions.

Qualified applicants will be referred to the hiring manager(s) for possible interview and selection based upon the number of available vacancies to be filled in each office. If you are among the top candidates for this position, your application will be referred to the hiring manager.

You may preview questions for this vacancy.

Required Documents

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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:

• NRC Employees: You must submit your most recent Rating of Record (Performance Appraisal) or a statement saying that one is not available.
  
• Current Federal Employees/Reinstatement Eligibles: You must submit a copy of your most recent SF-50 (Notification of Personnel Action) to verify competitive status or reinstatement eligibility. This SF-50 should not be an award SF-50.
  
• 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.
  
• 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
  

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. If more than 2 pages are submitted, your resume will still be accepted, however only the first 2 pages will be reviewed and considered for qualifications and eligibility determination in whether or not the minimum qualifications for the position have been met. 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 prorate part-time employment in crediting experience.
  

• Detailed description of 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:

Education must be accredited by an accrediting institution recognized by the U.S. Department of Education in order for it to be credited towards qualifications. Therefore, provide only the attendance and/or degrees from schools accredited by accrediting institutions recognized by the U.S. Department of Education.

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.

How to Apply

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Carefully review this entire announcement and all instructions before starting your 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 the closing date of this announcement. Incomplete or late applications will not be considered.

Your complete application must include your resume, responses to all vacancy questions (if applicable), and any required documents that prove your eligibility to apply.

You have two options for submitting these required documents:

• Upload from USAJOBS: Utilize the "USAJOBS" feature to download documents directly from your existing USAJOBS portfolio.
  

• Direct Upload: Use the "Upload" feature to upload files directly from your computer. Acceptable file types include: .gif, .jpeg, .png, .rtf, .pdf, and .docx.
  

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.

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 agency contact 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.

Agency contact information

Dariele N. Taswell

Phone

301-287-0728

TDD

240-428-3217

Fax

000-000-0000

Email

Dariele.Taswell@nrc.gov

Website

https://www.nrc.gov

Address

NUCLEAR REGULATORY COMMISSION

US Nuclear Regulatory Commission

Office of Human Resources

Attn: Please Complete

Washington, District of Columbia 20555

United States 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."

Overview

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Accepting applications

Open & closing dates

08/07/2025 to 08/20/2025

This job will close when we have received

50 applications which may be sooner than the closing date. Learn more

Salary

$120,579 to - $156,755 per year

Pay scale & grade

GG 13

Location

1 vacancy in the following location:

Rockville, MD

1 vacancy

Remote job

No

Telework eligible

Yes-As determined by the agency policy.

Travel Required

Occasional travel - Occasional travel may be required.

Relocation expenses reimbursed

Yes-Travel expenses associated with interview and/or relocation expenses associated with job offer may be paid to the extent allowed by Federal Travel Regulations.

Appointment type

Permanent

Work schedule

Full-time - Full Time

Service

Excepted

Promotion potential

13

Job family (Series)

• 0801 General Engineering
  

Supervisory status

No

Security clearance

L Access Authorization

Drug test

Yes

Announcement number

NRR/DANU-2025-0012

Control number

842764300