Lawrence Livermore National Laboratory

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External Dosimetrist

Location: Livermore, CA
Category: Technical Services & Ops
Job ID: 101983
Job Code: 
Date Posted: 

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Science and Technology on a Mission!
For more than 60 years, the Lawrence Livermore National Laboratory (LLNL) has applied science and technology to make the world a safer place.

We have an opening for an external dosimetrist to serve as a subject matter expert and provide advanced application of radiation dosimetry techniques and principles to the LLNL External Dosimetry Program. This position is in the Radiation Protection Functional Area (RPFA) within the ES&H Directorate.
This position will be filled at either the TSS.3 or TSS.4 level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level.
Essential Duties
- Perform diverse and complex analyses of external dosimetry monitoring data sufficient to maintain Department of Energy Laboratory Accreditation Program (DOELAP) accreditation.
- Analyze and interpret highly complex radiation exposure data associated with Panasonic, Harshaw, and CR-39 dosimetry systems, identify mechanical and heating problems and abnormalities, and independently formulate appropriate repair solutions.
- Independently lead development of proper analytical techniques for external dosimetry measurements using a wide variety of complex laboratory equipment and software systems.
- Independently develop and revise dose calculation algorithms as needed to reflect changes in regulations, performance testing criteria, or operational needs.
- Evaluate dosimetry software and processes to identify problems and abnormalities and develop and implement corrective actions, and independently lead development and implementation of tools and software for high-quality dose assessments and reports.
- Develop and maintain operating procedures (e.g., quality assurance and quality control manuals, laboratory safety procedures, calibration procedures) and technical basis documents.
- Develop and implement training modules for the Dosimetry Group to ensure staff members are appropriately skilled to effectively and efficiently perform their duties.
- Attend and contribute to regularly scheduled health physics technical meetings.
- Perform other duties as assigned.
In Addition at the TSS.4 Level
- Provide technical leadership to the External Dosimetry Program, serve as an organization spokesperson as needed, and mentor colleagues and less experienced personnel on the technical and programmatic aspects of external dosimetry.
- Provide highly advanced technical dosimetry and analysis support for the Nuclear Criticality Safety Program and provide innovative and creative solutions to highly complex technical problems.
- Provide emergency response support to on-site radiological incidents and participate in investigations of radiological exposures.
- Bachelor’s degree or higher in Health Physics, Radiation Physics, Radiation Protection, or other relevant technical area, or the equivalent combination of education and significant related experience.
- Advanced knowledge and understanding of dosimetry-related standards and regulations, including ANSI/HPS N13.11-2009, Personnel Dosimetry Performance Criteria for Testing and ANSI/HPS N13.32-2008, Performance Testing of Extremity Dosimeters, and significant experience with the DOELAP or National Voluntary Laboratory Accreditation Program (NVLAP) dosimetry accreditation process.
- Significant experience working in a dosimetry laboratory environment with dosimetry systems, including dosimeters, processing equipment, and dose calculation algorithms.
- Demonstrated advanced analytical and computational skills and experience monitoring complex data acquisition, data manipulation, and statistical analysis, including ad-hoc reporting using Microsoft Open Database Connectivity (ODBC) queries and Excel PivotTables or similar tools for data analysis and reporting, and demonstrated advanced experience with computer systems, databases, and corresponding software, including Microsoft Office (e.g., Excel, Word, PowerPoint, and Outlook).
- Significant experience developing and implementing complex technical and operational procedures and demonstrated ability to implement solutions to complex issues using advanced organizational, problem solving, conflict resolution, decision making and leadership skills.
- Demonstrated ability to handle multiple highly complex tasks in a demanding environment with conflicting priorities, tight and changing deadlines, and frequent interruptions.
- Advanced verbal and written communication skills necessary to effectively present, explain, advise, and communicate complex technical information to various levels of personnel and management.
In Addition at the TSS.4 Level
- Demonstrated subject matter expert knowledge of highly advanced concepts in dosimetry, and experience in developing and implementing new ideas or approaches to dosimetry processes to improve program effectiveness.
- Broad experience and understanding of best practices in dosimetry programs, such as might be gained from active participation in national committees (e.g., Health Physics Society sections, NCRP or ANSI committees or working groups) or by serving as a DOELAP assessor.
Desired Qualifications
- Master’s or Ph.D. degree in Health Physics, Radiation Physics, or Radiation Protection.
- Certification by the American Board of Health Physics.

Pre-Placement Medical Exam:  A job related pre-placement medical examination may be required.

Pre-Employment Drug Test:  External applicant(s) selected for this position will be required to pass a post-offer, pre-employment drug test.

Anticipated Clearance Level:  Q (Position will be cleared to this level). Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified information or matter. In addition, all L or Q cleared employees are subject to random drug testing. If you hold multiple citizenships (U.S. and another country), you may be required to renounce your non-U.S. citizenship before a DOE L or Q clearance will be processed/granted.

Note:  This is a Career Indefinite position. Lab employees and external candidates may be considered for this position.

About Us
LLNL is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, protected veteran status, age, citizenship, or any other characteristic protected by law.
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