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Radiochemist (Nuclear Engineering - Radiochemistry)

Date: Nov 11, 2022

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 9253 


We are seeking a Technical Associate Staff Member who will focus on the performance a full range of radiochemical methods and analyses on samples which contain radiological constituents from environmental levels to high levels of radioactivity.  This position will support a variety of ORNL projects and programs including its environmental stewardship programs, research for the nuclear fuel cycles, and chemical operations associated with the production and purification of radioisotopes.  This position resides in the Nuclear Analytical Chemistry (NAC) Section’s Radioactive Materials Analytical Laboratory (RMAL) Group in the Chemical Sciences Division (CSD), Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL).   


As part of our analytical support team, you will be responsible for the performance and development of detailed radiochemical protocols involving sample preparations, chemical separations and measurements using radioanalytical counting equipment or ICPMS instrumentation. To accomplish this you will ….   


Major Duties/Responsibilities: 

  • Perform sample preparations and chemical separations for radiochemical determinations of nuclear materials.
  • Independently operate RMAL’s radioanalytical suite of instruments.
  • Independently perform laboratory tests as needed to assist in developing, modifying, and refining operational and/or experimental procedures.
  • Independently perform detailed analytical operations in C-zoned laboratories and radiochemical hoods and gloveboxes.
  • Obtain and maintain all ORNL training requirements for a radiation worker performing analytical work in radiological facilities to include being qualified as a respirator wearer.
  • Lead and participate in planning workflow for the laboratory, including establishing priorities within and between projects, and determining the best direction of the laboratory efforts for various experiments, tests, and analysis.
  • Utilize Windows based personal computers, instrumentation operation, data reporting, analytical calculations, and sample management.
  • Ensure compliance with environment, safety, health and quality program requirements.
  • Maintain strong dedication to the implementation and perpetuation of values and ethics.


Basic Qualifications:

  • B.S. degree in Chemistry, Biology, Physics or closely related discipline, with 3 years of analytical laboratory experience. An equivalent combination of education and related analytical progressive experience will also be considered.


Preferred Qualifications:

  • Expertise in knowledge, use, and troubleshooting of high-purity germanium gamma detectors and associated software. Knowledge of Canberra’s Apex Gamma and Genie 2000 software is preferred.
  • Expertise in knowledge, use, and troubleshooting of low background proportional counters (both gas-flow and solid-state) and associated software. Knowledge of Canberra’s Apex Alpha/Beta software is preferred.
  • Expertise in knowledge, use, and troubleshooting of liquid scintillation detectors and associated software. Knowledge of Perkin Elmer’s Quantasmart software is preferred.
  • Expertise in knowledge, use, and troubleshooting of alpha spectrometry detectors and associated software. Knowledge of ORTECS’s AlphaVision software is preferred.
  • Proficiency in elemental ICPMS quadrupole maintenance, setup, and operations. Knowledgeable in fully-quantitative, semi-quantitative, and high precision isotope ratio measurements for quantification of radiological isotopes in highly radioactive sample streams.
  • Demonstrated knowledge and experience with modern sample preparation methods used in isotopic and elemental characterizations with emphases on nuclear materials and experience in the chemistry and separations of lanthanide and actinides.
  • Demonstrated knowledge and experience working in C-zone laboratories and use of glove boxes and radiochemical hood enclosures as well as experience in the safety practices associated with handling radioactive materials.
  • Strong interpersonal skills and working effectively as a team member.
  • Ability to respond quickly to diverse and shifting demands with sudden deadlines on tight schedules.
  • Excellent written and oral communication skills and the ability to communicate in English.
  • Motivated and safety conscious.


Physical Requirements:

Work involves various physical requirements and working conditions. As such, a pre-hire physical will be required after offer.


HSPD-12 PIV badge:

This position requires the ability to obtain and maintain an HSPD-12 PIV badge. 


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.

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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.

Nearest Major Market: Knoxville