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Oklo Inc · 6 months ago

Nuclear Criticality Safety Engineer

United States

Full-time

Remote

Mid Level

$85K/yr - $165K/yr

3+ years exp

Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale. The nuclear criticality safety engineer is responsible for performing criticality safety evaluations and ensuring compliance with safety standards in nuclear reactor and fuel cycle facilities.

Clean EnergyEnergyManufacturingNuclearRenewable Energy

Responsibilities

Identifying and evaluating nuclear criticality safety (NCS) hazards for fuel cycle facilities

Performing criticality safety evaluations (CSEs) to demonstrate subcriticality under normal and credible abnormal conditions

Developing the criticality code validation report

Demonstrating compliance with the double-contingency principle

Documenting criticality hazard analyses, CSEs, and supporting technical information

Evaluating and implementing controlled parameters for the NCS program

Developing the criticality accident alarm system and inadvertent criticality emergency response plan

Performing radiation shielding analysis to demonstrate adequate radiation mitigation

Supporting development of shielding systems

Supporting safety basis development and licensing efforts

Administering the NCS program, methodologies, and management measures

Qualification

Nuclear criticality safetyCriticality safety evaluationsMCNPSCALENuclear fuel cycleCriticality calculationsRadiation shielding analysisCommunicatorDetail-orientedCreative problem-solvingTeam player

Required

Bachelors, Masters, or PhD in nuclear engineering, chemical engineering, or chemistry

Experience performing CSEs as a part of a nuclear facility safety basis

Proficient with MCNP and SCALE codes

Knowledge of nuclear science, physics of criticality, and chemistry

Knowledge of the nuclear fuel cycle and nuclear fuel cycle facility accident scenarios

Ability to perform criticality calculations by hand or using criticality codes (e.g., SCALE, MCNP) for CSEs

Familiarity with critical experiments and their purpose

Knowledge of criticality-specific codes, standards, regulatory requirements, and industry practices for nuclear fuel cycle facilities

Preferred

3+ years of experience performing criticality safety evaluations for an NRC licensed fuel cycle facility

Familiarity with NUREG-1513, NUREG-1520, NUREG/CR-6410, NUREG/CR-6698, and NRC RG 3.71

Familiarity with ANSI/ANS-8 national standards

Benefits

Flexible time off

Equity

Competitive pay

401k

Health insurance

FSA

Flexible work hours

Other benefits

Company

Oklo Inc

Oklo's mission is to provide clean, reliable, affordable energy through the deployment of next-generation fast fission technology and recycling nuclear waste.

Founded in 2013

Santa Clara, California, USA

51-200 employees