Job Description
Nuclear Engineer
Radiant is seeking a highly motivated nuclear engineer responsible for developing nuclear engineering solutions for our Kaleidos microreactor. This may include nuclear engineering areas such as radiation shielding, criticality safety, accident dose consequence, reactor physics modeling and design, transient analysis, and radiation detection. You will lead and own nuclear engineering initiatives and studies, strategic direction, and work closely with a collaborative nuclear and engineering team in a fast-paced startup environment. The ideal candidate is passionate about advanced reactor design, detail-oriented, effectively communicates, and a tenacity to solve interesting technical challenges.
Responsibilities & Duties
Ownership of Nuclear design and analysis, examples include:
Shielding: Operational dose and shutdown activation analysis, waste categorization, and alignment of shielding design to customer and regulatory requirements
Neutronics: Analysis of ex-vessel reactor fluxes and energy deposition, criticality safety, and verification and validation (V&V) of the nuclear toolbox and reactor models
Accident and Dose Consequence: Radiological dose consequence from different accident scenarios for the Kaleidos demonstration and production units
Transient Analysis: Run coupled neutronics and thermal calculations to further understanding of the reactor dynamics of the Kaleidos reactor design
Collect requirements, provide expertise and feedback to engineers in other functional areas via clear, constructive communication.
Other nuclear design and analysis duties as assigned
Required Qualifications & Skills
Bachelor’s degree in nuclear engineering or equivalent degree from an accredited institution
1-2+ years of nuclear engineering industry experience (MS equivalent to 2 yrs).
Experience with radiation transport methods, including with codes such as MCNP/OpenMC/Serpent
Proficient in at least one of the following programming languages: Python, C++, C#, FORTRAN, or another scientific computing language
Basic knowledge of thermal hydraulic principles.
Self-motivated with strong organizational, written, and oral communication skills
Experience working in an engineering organization and developing high-quality work
Desired Qualifications & Skills
Experience with variance reduction techniques and associated software (Attila4MC and/or ADVANTG) is a plus
Strong experience with OpenMC, Serpent, MCNP, Attila4MC, MOOSE, RELAP, Pronghorn, GRIFFIN, or other similar nuclear software packages
Competency in distributed software development processes and high-performance computing environments
Familiarity with CAD design software (NX, SolidWorks, and/or SpaceClaim) is a plus
Familiarity with dose consequence methods and software such as MAACS or NRC-RADTRAN
At least 1 year of software development or scripting experience
Hands-on experience designing hardware and/or performing tests
Additional Requirements
Must be willing to work extended hours and weekends as necessary to accomplish our mission.
Must work 100% onsite at El Segundo HQ.
Benefits and Perks
Stock: Substantial incentive stock plan for all full-time employees.
Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
One Medical: Sponsored memberships for employees and their dependents.
Vision: 100% top tier plan coverage + 50% for dependents.
Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.
Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
Daily catered lunch. Free snacks and drinks.
Flexible PTO policy. Remote workday allocation.
Company and team-bonding events, happy hours and in-person camaraderie.
Beautiful El Segundo headquarters close to the Pacific Ocean.
Total Compensation and Benefits
Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant.
Unfortunately, we are unable to provide visa sponsorship at this time.
This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.
Compensation Range: $106,500 - $146,475
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