Postdoctoral Fellow; PREP

General Description

PREP Research Associate – CHIPS Funded Project

This position is part of the National Institute of Standards (NIST) Professional Research Experience (PREP) program. NIST recognizes that its research staff may wish to collaborate with researchers at academic institutions on specific projects of mutual interest and thus requires that such institutions be the recipients of a PREP award. The PREP program requires staff from a wide range of backgrounds to work on scientific research in many areas.

Employees in this position will perform technical work that underpins the scientific research of the collaboration. U.S. Citizen Preferred.

Development of neutron generator-based prompt gamma activation analysis (PGAA) instrument

• Design and implement a neutron moderator for the neutron generator to produce a thermal neutron irradiation sample position.
• Establish neutron and gamma ray detection systems including detectors and electronics for PGAA measurements for elemental analysis in semiconductor materials.
• Perform PGAA spectral analysis.
• Investigate coincidence detection scheme to enhance detection limits.
• Publish findings in peer-reviewed scientific journals and present at relevant meetings and conferences.

• PhD in Nuclear Engineering or a related field.
• Proficiency in radiation detection principles based on neutron and gamma ray interaction with materials.
• Experience with radiation transport simulations and demonstration of hands‑on ability in the design and assembly of neutron moderators for optimal thermal output.
• Expertise in nuclear digital and analog electronics related to operation of high purity germanium detectors and gamma‑ray spectrometry.

The referenced salary range represents the minimum and maximum salaries for this position and is based on Johns Hopkins University's good faith belief at the time of posting. Not all candidates will be eligible for the upper end of the salary range. The actual compensation offered to the selected candidate may vary and will ultimately depend on multiple factors, which may include the successful candidate's geographic location, skills, work experience, internal equity, market conditions, education/training and other factors, as reasonably determined by the University.

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The Johns Hopkins University is committed to equal opportunity for its faculty, staff, and students. To that end, the university does not discriminate on the basis of sex, gender, marital status, pregnancy, race, color, ethnicity, national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status or other legally protected characteristics. The university is committed to providing qualified individuals access to all academic and employment programs, benefits and activities on the basis of demonstrated ability, performance and merit without regard to personal factors or demographic characteristics that are irrelevant to the program involved.