Skip to main content
U.S. flag
Back to results
 

Health Physicist

National Aeronautics and Space Administration
Ames Research Center

Summary

You will serve as the Radiation Safety Officer in the Occupational Safety, Health and Medical Services Division at NASA Ames Research Center. In this role, you will collaborate with scientists and engineers whose research involves the use of radioisotopes, X-ray generating equipment, high energy lasers, and other non-ionizing radiation sources to ensure that the research can be performed safely and in compliance with applicable regulations and NASA policies.

Overview

Help
Accepting applications
Open & closing dates
04/06/2026 to 04/10/2026
Salary
$157,236 - $197,200 per year
Pay scale & grade
GS 14
Location
1 vacancy in the following location:
Ames Research Ctr
Moffett Field, CA
Remote job
No
Telework eligible
Yes—as determined by the agency policy.
Travel Required
Occasional travel - You may be expected to travel for this position.
Relocation expenses reimbursed
No
Appointment type
Permanent
Work schedule
Full-time
Service
Competitive
Promotion potential
14
Job family (Series)
Supervisory status
No
Security clearance
Not Required
Drug test
No
Position sensitivity and risk
Moderate Risk (MR)
Trust determination process
Financial disclosure
No
Bargaining unit status
No
Announcement number
ARC-26-ST-12928184-JK
Control number
863910200

This job is open to

Help

Clarification from the agency

This position is open to: Career transition (CTAP, ICTAP, RPL) - Federal employees who meet the definition of a "surplus" or a "displaced" employee and Veterans who are eligible for Veterans Employment Opportunity Act (VEOA).

Videos

Duties

Help
  • Ensures that the use of radioactive material is in conformity with the Nuclear Regulatory Commission (NRC) Materials License, applicable government regulations, and with the Center's policies.
  • Analyzes all radiological hazards associated with each new research project.
  • Maintains the Health Physics records of the Center and ensure that they are in compliance.
  • Investigates accidents and procedural safety violations for ionizing and nonionizing radiation projects.
  • Maintains occupational radiation doses and doses to members of the public that are as low as is reasonably achievable
  • Performs an initial review of all nonionizing radiation projects with the capability of emitting hazardous levels of energy for safety and compliance to applicable standards and regulations.
  • Inspects nonionizing radiation systems to verify compliance to all applicable nonionizing radiation safety requirements
  • Ensures training for users of radioisotopes, radiation generating equipment, and nonionizing radiation sources (e.g. lasers, radars) is available and provided to personnel using these sources.
  • Ensures that radioactive material purchases are in conformance with NRC license requirements.
  • Collects radioactive waste generated in laboratories and prepare it for transport to an approved waste disposal site via an approved shipper

Requirements

Help

Conditions of employment

  • This position may require a one-year probationary/trial period. If selected, the requirement to serve such period will be determined by Title 5 of the Code of Federal Regulations, Part 11. **See Additional Information section**
  • Current Federal employees must meet qualifications, time in grade, and 90 days after competitive appointment requirements by the closing date of the announcement.
  • Position subject to pre-employment background investigation.
  • This position is open to U.S. citizens, nationals or those who owe allegiance to the U.S.

Qualifications

Specialized experience is experience that has equipped you with the particular ability, skill, and knowledge to successfully perform the duties of this position and is typically in or related to this line of work.

To qualify for GS-14, you must have one year of directly related specialized experience equivalent to the GS-13 level:

  • Leading the planning and implementation of programs to ensure the safe use of sealed and unsealed sources of radioactive material and radiation emitting equipment, such as, X-ray machines in a research environment;
  • Leading the planning and implementation of programs to ensure the safe use of high energy lasers in a research environment and;
  • Serving as a technical advisor to senior leadership as an independent technical authority to enforce applicable regulatory requirements.

Your resume must include a clear and detailed narrative description, in your own words, of how you meet the required specialized experience. Experience statements copied from a position description, vacancy announcement or other reference material constitutes plagiarism and may result in disqualification and losing consideration for the job.

NASA prohibits the use of artificial intelligence (AI) or AI-assisted tool in drafting application and assessment responses. Please visit https://www.nasa.gov/careers/how-to-apply/#Artificial-Intelligence to review NASA's guidance on the use of AI tools during the application process.

Education

Basic Requirement:

You must have successfully completed a full 4-year course of study in an accredited college or university leading to a bachelor's or higher that included a major in 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

Have a combination of education and experience: Courses as shown 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.

U.S. degrees must have been awarded from colleges or universities that are accredited by recognized accrediting organizations. For a list of schools that meet this criteria, go to http://ope.ed.gov/accreditation/.

If you are using education completed in foreign colleges or universities to meet the qualification requirements, you must show that the education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs. These education credentials must be deemed equivalent to that gained in an accredited U.S. education program; or full credit has been given for the courses at a U.S. accredited college or university. For further information, visit: https://sites.ed.gov/international/recognition-of-foreign-qualifications/.

All degrees must have been received in the year of, or any year subsequent to the original date of accreditation.

Additional information

Additional selections may be made for similar positions across NASA within the local commuting area(s) of the location(s) identified in this announcement. By applying, you agree to have your application shared with interested selecting official(s) within NASA. CTAP/ICTAP will be cleared for any additional selection from this announcement.

If you are a current federal employee, you must meet applicable time-in-grade requirements to be considered eligible for this position. To be eligible, you must have completed a minimum of 52 weeks in a position no more than 1 grade lower than the advertised position. (Please submit your SF-50 that shows Time-in-Grade eligibility and reflects your title, series, and grade. If your eligibility for both merit promotion and/or time-in-grade cannot be determined, your application will be rated ineligible.)
Note: Time-in-grade requirements also apply to applicants who have held a non-temporary, competitive service GS position in the past year.

If you have special priority selection rights under the Agency Career Transition Assistance Program (CTAP) or the Interagency Career Transition Assistance Program (ICTAP), you must:
- Indicate your eligibility when applying for a position. The questionnaire asks you to identify your ICTAP/CTAP eligibility.
- Be well qualified for this position to receive consideration. Candidates rated in the 'Best Qualified' category are considered well-qualified. Please see 'How You Will Be Evaluated' for more information.
- Submit proof that you meet the requirements for CTAP/ICTAP as indicated in 'Required Documents'

For additional information about CTAP/ICTAP eligibility, click here - https://www.opm.gov/policy-data-oversight/workforce-restructuring/employee-guide-to-career-transition/#ictap.

Qualified NASA term employees who have term conversion eligibility (Term Appointments | NASA) under the NASA Flexibility Act of 2004 will be referred and considered equally with other NASA permanent employees under internal competitive placement procedures.

Per Executive Order 14343, this position is not part of a bargaining unit.

Probationary/Trial Period

You may be required to serve a 1-year probationary period during which we will evaluate your fitness and whether your continued employment advances the public interest. If selected, the requirement to serve such period will be determined by Title 5 of the Code of Federal Regulations, Part 11.

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 probationary period your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest.

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.

How you will be evaluated

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

You will be evaluated for this position based on how well you meet the qualifications and eligibility requirements outlined in this vacancy announcement. Your resume and supporting documentation will be reviewed in conjunction with your responses to the assessment questionnaire. As part of the assessment, your responses to the Written Interview prompts will be scored and used to place you into one of three quality groups. These scores, along with your qualifications and supporting materials, will determine your referral status. Please ensure your application materials and responses accurately reflect your experience and competencies, as misrepresentation may result in removal from consideration.

These competencies will be assessed using technical assessments. They may also be evaluated during a structured interview:

  • Attention to Detail
  • Health Physics
  • Technical Competence
  • Technology Application
NASA considers 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.

Under NASA's quality grouping process, applicants will be assessed on the position competencies and placed in one of three groups identified and defined below:
  • Best Qualified Group - Applicants who demonstrate a superior level of all evaluation criteria.
  • Highly Qualified Group - Applicants who demonstrate a satisfactory level of the evaluation criteria.
  • Qualified Group - Applicants who demonstrate the basic qualifications, with general knowledge, skills, and abilities.
Candidates eligible for ICTAP/CTAP, reemployment priority or priority consideration will be referred before other candidates, as necessary. If no such candidates apply or are eligible to be referred, the following candidates will be sent to the hiring official for employment consideration:
  • Best Qualified merit promotion candidates. Highly Qualified merit promotion candidates may also be referred, if additional candidates are needed.
  • Qualified candidates eligible for consideration under Schedule A or VRA in accordance with veterans' preference rules, as applicable.
  • Qualified candidates that are eligible for special hiring authorities or non-competitive hiring authorities.
NASA will not ask you to disclose criminal history record information during the application process or before we make a conditional/tentative offer of employment. If you apply for this position and are selected, NASA will conduct a suitability/security background investigation after you accept a tentative job offer. If you feel you are asked to disclose your criminal history before you accept a tentative offer and wish to file a complaint within 30 days, please contact: Agency-FCCJ@NASA.gov.

Ames Research Center

Explore the Extraordinary
Calling all the innovators, pioneers, visionaries, and adventurers! We are a diverse group of professionals united by a common purpose: to discover and expand knowledge for the benefit of humanity. We're building on our rich legacy by embarking on new and exciting missions, both on Earth and beyond and we're looking for fresh ideas to help us get there. Do you have a passion for exploration? Do you want your work to leave an enduring impact? Join us in a career that can take you farther than you can imagine. At NASA, our work is more than just a profession-it's a lifelong pursuit, a passion, and a chance to change the world. NASA is more than astronauts. We are scientists, engineers, IT specialists, human resources specialists, accountants, writers, technicians and many other kinds of people working together to break barriers to achieve the seemingly impossible.

Explore the extraordinary, every day; explore a career at NASA!

Agency contact information

NASA Shared Services Contact Center
Phone
1-877-677-2123
Fax
1-866-779-6772
Email
nssc-contactcenter@mail.nasa.gov
Address
Ames Research Center
Moffett Blvd
Mountain View, CA 94035
US

Visit our careers page

Learn more about what it's like to work at Ames Research Center, what the agency does, and about the types of careers this agency offers.

https://www.nasa.gov/careers

Your session is about to expire!

Your USAJOBS session will expire due to inactivity in 8 minutes. Any unsaved data will be lost if you allow the session to expire. Click the button below to continue your session.