Share this Job

External Dosimetry Program Technical Specialist

Date: Sep 8, 2021

Location: Oak Ridge, TN, US, 37830-8050

Company: Oak Ridge National Laboratory

Requisition Id 6521 

The Oak Ridge National Laboratory (ORNL) is a U.S. Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. The ORNL mission portfolio integrates a diverse array of high hazard nuclear facilities, high energy particle accelerators, radiation generating devices, research/production reactor and user facilities to serve the national and international scientific communities.  The Nuclear and Radiological Protection Division (NRPD) is seeking an External Dosimetry Technical Specialist.


Major duties/responsibilities


The position is responsible for developing methods and procedures for external dosimetry operations, conducting studies, and preparing reports on relevant technical issues. The Technical Specialist is also responsible for investigating or directing the investigation of unexpected dosimetry results, characterizing new or unusual radiation fields for personnel dosimetry purposes, and assisting in conducting training and evaluating performance of the External Dosimetry Program (EDP) staff.  Specific responsibilities include:


  • Monitor changes in federal regulations and industry practices related to radiological protection requirements to ensure that the ORNL EDP meets those requirements
  • Ensure analytical results, dose evaluations/assessments, and reports are of the highest accuracy and quality
  • Perform dose estimates in the event of questionable processing results, lost or unreturned dosimeters, damaged or contaminated dosimeter, or nonoccupational or medical exposure
  • Conduct studies and prepare reports on relevant technical issues
  • Provide technical assistance to NRPD and other ORNL divisions in addressing external dosimetry issues
  • Interface with IT support personnel in the development, upgrade, and maintenance of the personnel dosimetry database and its applications
  • Work with the Internal Dosimetry Technical Specialist to prepare, review, and submit the annual DOE Radiation Exposure Monitoring System (REMS) report
  • Prepare annual personnel occupational exposure reports for individuals
  • Analyze blind audit results and conduct and evaluate the results from dosimetry intercomparisons
  • Participate in internal and external audits and assessments
  • Perform dose assessments in the event of personnel contamination


Qualifications Required


  • Bachelor of Science degree in nuclear engineering, radiation protection, a related science, or engineering with 2 to 4 years relevant experience
  • Demonstrated technical understanding of external dosimetry principles
  • Practical experience and/or working knowledge in one or more of the following:  radiation detection/counting instrumentation, statistical evaluation, TLD processing
  • Ability to perform or evaluate complex spreadsheet analyses


Preferred Qualifications


  • Advanced degree in a technical science discipline or engineering with a concentration in health physics with 1 to 3 years relevant experience
  • Understanding of applicable Federal regulations including 10 CFR 835
  • Experience with the Department of Energy Laboratory Accreditation Program (DOELAP) process
  • Experience with external dosimetry processing systems
  • Experience working in a research and development environment (e.g., DOE National Laboratory) with a broad range of radiation types, exposure geometries, and dose rates
  • Advanced experience with programming languages, data management systems, SQL, Oracle server databases and creating SQL Queries
  • Experience with Monte Carlo N-Particle (MCNP) code modeling


This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.

If you have trouble applying for a position, please email

ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply.  UT-Battelle is an E-Verify employer.