Nuclear Methods Engineer

• B.S. in Mechanical Engineering or related discipline from an accredited university
• 15+ years of relevant experience Experience Level may be partially substituted for advanced degree depending on position relevance
• Experience Level may be partially substituted for advanced degree depending on position relevance
• Fast reactor physics and design intuition
• Experience in understanding and executing nuclear design/analysis methodologies, including criticality, flux/power distributions, fuel management optimization, reactivity coefficients, shielding, activation, control rod worth, detector response, and uncertainty analysis, ideally with a focus on fast-neutron reactors
• Excellent “under-the-hood” knowledge of the methods of reactor physics analysis (deterministic and stochastic particle transport, isotopic depletion, perturbation theory, nuclear data, kinetics, etc.)
• Experience with some nuclear engineering software such as DIF3D, MC2, PARTISN, MCNP, Serpent, SCALE, PARCS, APA, CASMO, DRAGON, ARMI, etc. preferred
• Strong computational expertise required: we consider computers to be the universe at our fingertips rather than burdensome necessities
• Strong programming skills in any language required, preferably in scientific computing, Python, C++, and Fortran skills are a bonus
• Proven ability to integrate and automate simulation tools
• Demonstrable capabilities with fundamental software development tools (e.g. IDEs, version control, profilers, debuggers, documentation builders, packaging tools)
• Experience interacting on nuclear methodology with the NRC under an ASME NQA-1 compliant QA environment preferred
• Good working knowledge of general numerical methods and applied mathematics (e.g. PDEs, numerical stability, statistics, numerical analysis, dynamics)
• Strong formal technical documentation skills required
• Ability to consistently deliver to an aggressive schedule
• Self-motivated: able to seek out tasks and produce value aligned with team goals without waiting for next assignment
• Passion for and dedication to software best practices
• Willingness to openly give and accept professional criticism through code reviews and other venues
• Strong verbal communication skills desired
• The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect, and a desire to foster teamwork

This position is subject to qualification requirements in accordance with ANSI/ANS 3.1.

Candidates must meet the minimum education and experience criteria applicable to the role, including relevant nuclear industry experience where required.

Verification of data will be part of the hiring process.

Job Functions are physical actions and/or working conditions associated with the position.

These functions may also constitute essential functions for the job which the employee must be able to fulfill, with or without accommodation.

Information provided below is to help describe the job so that the applicant has a reasonable understanding of the job duties/expectations.

An applicant's ability to perform and/or tolerate these actions and conditions will be discussed and workplace accommodations may be made on a case-by-case basis following an individualized assessment of the applicant and other considerations, including but not limited to any governing safety standards.

• Motor Abilities: Sitting for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)
• Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds.
• Repetitive work: Prolonged
• Special Senses: Visual and audio focused work
• Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hours/day
• Travel required 0-10%

TerraPower’s technology is controlled for export by various agencies of the U.S.

Government.

TerraPower must evaluate applicants who are foreign nationals (other than asylees, refugees, or lawful permanent residents) in accordance with U.S.

Government export control requirements.

To facilitate TerraPower’s export control reviews, you will be asked as part of the application process to identify whether you are a U.S.

Citizen or national, asylee, refugee, or lawful permanent resident of the United States.

Government export authorization approval times vary.

Based on the business needs for a particular position, TerraPower may not consider a foreign national from a country if it is impracticable to obtain timely Government export approval.

Job details

Any salary offered within the posted salary band is based on market data and commensurate with the selected candidate’s qualifications and experience.

This range is specific to Washington State.

• Competitive Compensation
• Salary, eligible to participate in discretionary short-term incentive payments
• Comprehensive Medical and Wellness Benefits Medical Vision Dental Life and Disability Gender Affirmation Benefits
• Medical
• Vision
• Dental
• Life and Disability

• Parental Leave
• 401k Plan
• Generous Paid Time Off (PTO) 21 days of annually accrued PTO
• 21 days of annually accrued PTO
• Generous Holiday Schedule 10 paid holidays
• 10 paid holidays
• Relocation Assistance
• Professional and Educational Support Opportunities

TerraPower Career and Benefits information: https://www.terrapower.com/contact-us/careers/