Federal

Health Physicist (Ionizing Radiation Specialist)

๐Ÿ“ Gaithersburg, Maryland ZP-3/4 $85,447 - $187,093/yr
Posted: May 7, 2026 Deadline: May 13, 2026

About This Position

Performs professional work to protect personnel and environments from ionizing radiation hazards by identifying and evaluating potential radiation hazards across diverse facility operations. Applies and implements procedures to eliminate, control, or minimize radiation exposure. This notice is issued under direct-hire authority to recruit new talent to occupations for which NIST has a severe shortage of candidates.

Qualifications

Basic Requirements: Degree: natural science or engineering that included at least 30 semester hours in health physics, engineering, radiological science, chemistry, physics, biology, mathematics, and/or calculus.

OR

Combination of education and experience -- courses as shown in A above, plus appropriate experience or other education; or certification as a health physicist by the American Board of Health Physics, plus appropriate experience and other education that provided an understanding of sciences applicable to health physics comparable to that described in paragraph A. Additional requirement for the ZP-III level:

In addition to the basic requirements, applicants must possess 3 years of progressively higher level graduate education leading to a Ph.D. degree or Ph.D.

OR

equivalent doctoral degree OR 1 year (52 weeks) of specialized experience equivalent to the GS-9 level (ZP-II at NIST). Specialized experience is defined as experience assisting with radiation protection activities in environments involving radioactive materials, including performing routine radiation surveys or contamination checks using established procedures and documenting results to support safe operations.

OR

A combination of education and experience as outlined in the additional requirements above. Additional requirement for the ZP-IV level:

In addition to the basic requirements, applicants must have 1 year (52 weeks) of specialized experience equivalent to the GS-12 level (ZP-III at NIST). Specialized experience is defined as experience performing radiation protection work in environments involving radioactive materials, including independently conducting radiation surveys or hazard evaluations and recommending actions to control or reduce radiation exposure. Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community, student, social).

Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment.

You will receive credit for all qualifying experience, including volunteer experience. The qualification requirements in this vacancy announcement are based on the U.S. Office of Personnel Management (OPM) Qualification Standards Handbook. If requesting reconsideration of your qualification determination, please refer to the following site: Applicant Reconsideration

Major Duties

The Ionizing Radiation Specialist performs a full range of professional health physics duties in support of radiation protection programs to ensure the safe use, handling, and disposal of radioactive materials and compliance with regulatory requirements.

This position will: - Provide technical oversight and direction for radiation protection programs, including instrumentation, waste management, and facility surveillance activities - Evaluate complex radiological hazards and develop strategies to control or mitigate risks to personnel and the environment - Advise leadership on radiation safety policies, program improvements, and compliance with regulatory requirements - Lead or support projects involving radiation detection systems, program enhancements, or facility safety initiatives - Interpret and apply regulatory requirements to ensure organizational compliance with applicable federal, state, and local regulations - Mentor and provide technical guidance to staff on radiation protection practices, instrumentation, and safety procedures

Education

This position has an education requirement. Transcripts must be submitted to validate that the education requirement has been met. Unofficial transcripts will be accepted in the application package. However, an official copy will be required before a final offer of employment. Use of foreign education for qualifications. An accredited organization must evaluate education completed outside of the U.S. to ensure that it is comparable to education received in accredited institutions in the U.S.

Click here to view a listing of accredited organizations from the Department of Education's website. A copy of the foreign education evaluation (containing the results with course-by-course listing) is required with your application.

How You Will Be Evaluated

Please prepare a resume that is no longer than two pages; only the first two pages will be considered during the review process. Ensure your font is 11 points or larger and upload your resume as a .pdf document. This helps ensure your formatting looks exactly the way you intended.

How you will be evaluated: You will be evaluated for this job based on how well you meet the qualifications above. Once the announcement has closed, a review of your resume and supporting documentation will be used to determine whether you meet the qualification requirements listed in this announcement. Overstating your qualifications and/or experience in your application materials or application questionnaire may result in your removal from consideration.

A Subject Matter Experts (SMEs) may be used to review your resume to determine your technical qualifications for this position based on the required specialized experience. SMEs will review ONLY two (2) pages of your resume. SMEs will not review additional information beyond your resume.

Referral: All applicants may be referred to the selecting official for consideration. Under Direct Hire Authority, applicants are not rated and ranked, and veteran preference does not apply. CTAP or ICTAP eligibility: If you are a displaced or surplus Federal employee eligible for the Career Transition Assistance Plan (CTAP) or Interagency Career Transition Assistance Plan (ICTAP), you must be determined eligible and rated as well-qualified to receive special selection priority. "Well Qualified" means that

in addition to meeting the minimum qualification requirements and selective placement factor(s), if applicable, you must receive a score of 85 or higher. Please review the following site regarding required documents to support CTAP or ICTAP eligibility and additional information regarding this authority - Section 8: Hiring Paths at NIST | NIST

Additional Information

This position is covered under NIST's Alternative Personnel Management System (APMS), a pay-for-performance system with excellent HR flexibilities to help NIST recruit and retain top talent. Learn more about the APMS here! We may share your application package with other selecting officials. Additional selections may be made through this vacancy.

Click all links in this vacancy announcement to view additional information or instructions.

You MUST select at least ONE ELIGIBILITY to be considered for this position. All documents submitted for this announcement must be legible to make qualification or eligibility determinations. A probationary period may be required.

This position has physical requirements which include but may not be limited to: Moderate lifting, 15-44 pounds Use of fingers Both hands required Operation of crane, truck, tractor, or motor vehicle Ability for rapid mental and muscular coordination simultaneously Depth perception Ability to distinguish shades of colors Hearing (aid may be permitted) This position has environmental factors which include, but may not be limited to: Outside and inside Slippery or uneven walking surfaces Working around moving objects or vehicles Working closely with others Working alone NIST strives to build a flexible and encouraging work environment to bring out the best in our employees. To help our employees balance responsibilities at home and at work, NIST offers a variety of work-life flexibilities. For more information, please visit our Careers website.

How to Apply

Please read the entire announcement and all the instructions before you begin an application. To apply and be considered for this position, you must complete all required questionnaires, assessments, and required documentation as specified in the How to Apply and Required Documents section.

The complete application package must be submitted by 11:59 PM (ET) on the closing date of the announcement to receive consideration. The application process is as follows: Click the Apply Online button. Answer the questions presented in the application and attach all necessary supporting documentation.

Click the Submit Application button prior to 11:59 PM (ET) on the announcement closing date. As part of the application process, you will be asked to respond to four narrative questions. While your responses to these questions is not required and will not be scored, we encourage you to thoughtfully address each question.

You will be asked to certify that you are using your own words and did not use a consultant or artificial intelligence (AI) such as a large language model (LLM) like ChatGPT or Copilot. Once your application has been submitted, you will receive a confirmation notification by email. The Human Resources Office will evaluate your application to determine your eligibility for the position.

After the evaluation is complete, you will receive another notification regarding the status of your application. To update your application, including supporting documentation: During the announcement open period, return to your USAJOBS account, find your application record, and click Edit my application. This option will no longer be available once the announcement has closed.

To view the announcement status or your application status: Click on this: USAJOBS Help Center - How to see your application and job status Your application status page is where you can view your application status, USA Hire assessment completion status, and review your notifications sent by the hiring agency regarding your application. Need help applying? If you are experiencing any difficulties with the online application process (anything after you have clicked the 'Apply Online' button), please contact the Agency Contact listed on this announcement between regular business hours (8:00 a.m. - 4:00 p.m.

ET). If you receive any kind of error message, please be ready to provide a screenshot or, at a minimum, the error message text and number. We will provide you with a technical support number for further assistance if necessary.

If you are having trouble with USAJOBS (searching for jobs, account password/profile issues, or Resume Builder), please visit the USAJOBS USAJOBS Help Center - How to.... We regret that we are unable to support any issues with USAJOBS, as this service is not maintained by the NIST. If you are experiencing a significant hardship that hinders your ability to apply online, please contact the Agency Contact listed on this announcement prior to the vacancy closing date and during regular business hours to discuss your situation.

Required Documents

The documents required may vary based on how you're applying (i.e., as a veteran or disabled veteran, current or former Federal employee, etc.). Please review the Required Documents for this position to find out if there are any documents required with your application. Failure to submit required documents, based upon how you apply, may result in loss of consideration due to an incomplete application package.

A complete application includes: 1) A resume (not to exceed two pages), 2) vacancy question responses regarding technical qualifications, and 3) submission of any required documents. Please note that if you do not provide all required information, as specified in this announcement, or if the documents submitted are illegible you may not be considered for this position (or may not receive the special consideration for which you may be eligible). Resume: All applicants must submit a resume by creating one in USAJOBS or uploading one of their choosing.

Please prepare a resume no longer than 2 pages; only the first 2 pages will be considered during the review process. Ensure your font is 11 points or larger and upload your resume as a .pdf document. This helps ensure your formatting looks exactly the way you intended.

Cover letters are optional. To receive any credit for relevant experience, please list the month/year and the number of hours worked for experience listed on your resume. We suggest you review the qualification requirements for this position as you may need to customize your resume to ensure that it supports the position qualifications.

Please refer to the Resume Guidance on how to build an effective resume.

Frequently Asked Questions

What is the salary for the Health Physicist (Ionizing Radiation Specialist) position at National Institute of Standards and Technology?
The salary range for this position is $85,447 - $187,093/yr. This is a ZP-3/4 position on the General Schedule pay scale. Actual pay may vary based on locality adjustments.
Where is the Health Physicist (Ionizing Radiation Specialist) job located?
This position is located in Gaithersburg, Maryland. This is an on-site position.
What qualifications do I need?
This position has an education requirement. Transcripts must be submitted to validate that the education requirement has been met. Unofficial transcripts will be accepted in the application package. However, an official copy will be required before a final offer of employment. Use of foreign education for qualifications. An accredited organization must evaluate education completed outside of the U.S. to ensure that it is comparable to education received in accredited institutions in the U.S. Click here to view a listing of accredited organizations from the Department of Education's website. A copy of the foreign education evaluation (containing the results with course-by-course listing) is required with your application.
How do I apply for this position?
Apply through USAJobs.gov by clicking the 'Apply on USAJobs' button. You'll need a USAJobs account, a federal-style resume, and supporting documents. The deadline is May 13, 2026.
Is a security clearance required?
No security clearance is required for this position.
What benefits do federal employees receive?
Federal employees receive comprehensive benefits including health insurance (FEHB), retirement through FERS, Thrift Savings Plan (TSP) with government matching, paid annual and sick leave, paid parental leave, life insurance, and student loan repayment programs.