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Nuclear Scientist

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 immediate opening for a Nuclear Scientist to become an integral member of the National Nuclear Security Administration (NNSA) Region 7 Radiological Assistance Program (RAP) based at Lawrence Livermore National Laboratory (LLNL) in Livermore, CA to provide advanced instrumentation and equipment coordination including selection, procurement, calibration, advanced troubleshooting, and repair of highly specialized radiological detection equipment with spectroscopic capability.  The position also requires maintaining qualification for offsite response as well as assisting with equipment training aspects of RAP.  This position is in the Nonproliferation & Response group in the Nuclear and Chemical Sciences Division.

This position will be filled at either the SES.2 or SES.3 level, depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level.

Essential Duties
- Serve as the equipment custodian for the region, maintaining the database of prescribed equipment.
- Identify required preventive maintenance and ensure it is performed
- Procure calibration services for radiation detection equipment and provide solutions for moderately complex to complex problems.
- Ensure continuous operational readiness of equipment and vehicles
- Train personnel, both LLNL and non-LLNL employees at onsite and offsite locations, on equipment use in coordination with the Training and Outreach coordinator.
- Ensure new equipment is integrated in the program by developing procedures and/or operating
guides, checklists, and other documentation as required
- Assist the ROM with formulation of the annual RAP budget for equipment maintenance, repair, and replacement
- Maintain qualifications for appropriate RAP deployable positions
- Perform other duties as assigned.
In Addition at the SES.3 Level
- Identify critical gaps in existing capabilities and detection capabilities, and generate novel applications and techniques for equipment to enhance RAP missions.
- Investigate and specify new equipment needs in collaboration with partner agencies and other RAP regions.
- Provide solutions to complex problems and employ expert gamma spectroscopy skills to properly calibrate, troubleshoot, and repair RAP specialized equipment.

- B.S. in chemistry, physics, nuclear science, nuclear engineering, health physics or related field; or the equivalent combination of education and related experience.
- Comprehensive knowledge of radiation detection principles and understanding of equipment capabilities, detection limitations, and deployment considerations.
- Comprehensive knowledge of gamma spectroscopy methods and other radiation detection and nuclear measurement methods, including neutron detection and associated interactions that are important with respect to application of methods to detect special nuclear material and other radiological threat items.
- Comprehensive knowledge of telemetry applied to data collection, acquisition, and analysis, particularly for gamma spectroscopy methods.
- Ability to perform in adverse conditions consistent with a field environment. Physical
strength, mobility and endurance consistent with the wearing and use of protective
clothing and equipment
- Understanding of equipment procurement, testing, calibration, troubleshooting, repair, and shipment including hazardous material declarations. 
- Ability to adapt to changing priorities and re-focus work as needs change, ability to multi-task and meet deadlines, and ability to work independently as well as a member of a team.
- Proficient verbal and written communication and interpersonal skills necessary to interact with a diverse set of customers, partners, and other technical and administrative staff within an interagency collaborative emergency response environment.
In Addition at the SES.3 Level
- M.S in Radiological Health Physics, nuclear science, nuclear engineering or related field; or the equivalent combination of education and related experience.
- Advanced knowledge and significant experience in the characterization of radiological samples and interpretation of analytical data, and the underlying health physics applied to dosimetric and effective mitigation strategies to reduce population dose.
- Advanced knowledge and significant experience radiation transport and shielding calculations needed to determine limits of detection, standoff distances, and needed detector resolution and time constants.
 Desired Qualifications
- Experience with Radiological Assistance Program including deployments for both Consequence Management and Crisis Response.
- Experience in field repair of advanced and complex electronic equipment.
- Experience in tracking extensive equipment inventories and managing required preventive maintenance.

Pre-Employment Drug Test:  External applicant(s) selected for this position will be required to pass a post-offer, pre-employment drug test.  This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Security Clearance:  This position requires an active Department of Energy (DOE) L-level or Q-level clearance or an active Secret or Top Secret clearance issued by another U.S. government agency at time of hire. 


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

About Us

Lawrence Livermore National Laboratory (LLNL), located in the San Francisco Bay Area (East Bay), is a premier applied science laboratory that is part of the National Nuclear Security Administration (NNSA) within the Department of Energy (DOE).  LLNL's mission is strengthening national security by developing and applying cutting-edge science, technology, and engineering that respond with vision, quality, integrity, and technical excellence to scientific issues of national importance.  The Laboratory has a current annual budget of about $2.1 billion, employing approximately 6,800 employees.


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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