Department of Commerce

Health Physicist (Ionizing Radiation Specialist)

Gaithersburg, Maryland Full time

Health Physicist (Ionizing Radiation Specialist)

Department: Department of Commerce

Location(s): Gaithersburg, Maryland

Salary Range: $85447 - $187093 Per Year

Job Summary: 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.

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

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

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.

Application Deadline: 2026-05-13