Senior Nuclear Criticality Safety Engineer
Oklo - Santa Clara, CA or Remote
Posted Apr 20, 2026
Benefits
- Parental leave
- Not verified
- Non-birth-parent leave
- Not verified
- Family-building benefits
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- Fertility benefits: Not verified
- Adoption assistance: Not verified
- Surrogacy assistance: Not verified
- Mental health support
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- Relocation assistance
- Not verified
- Childcare support
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- Learning budget
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- Verification
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- Salary
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- 401(k) match
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Market context
- Median wage (BLS OEWS)
- $111,944 national median
- Projected growth (BLS Employment Projections)
- +13.7% - Much faster than average
Matched to SOC 15-1252 - Data and ML aggregate by role bucket.
Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.
Schedule
- Shift type
- Not verified
- Weekend work
- Not verified
Application
- Cover letter
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- Assessment
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- Deadline
- Not stated
Where they hire
State eligibility is not yet verified. not verified - source not recorded; timestamp not recorded
About this role
Senior Nuclear Criticality Safety Engineer Santa Clara, CA or Remote Thanks for your interest in Oklo! We are searching for a Senior Nuclear Criticality Safety Engineer to join our team. Position Description A Senior Nuclear Criticality Safety Engineer at Oklo is responsible for performing criticality safety evaluations, developing the nuclear criticality safety basis, and architecting the nuclear criticality safety program for a first-of-a-kind used nuclear fuel recycling facility. Specific responsibilities may include: - 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 - Supporting safety basis development and licensing efforts - Developing and administering the NCS program, methodologies, and management measures Minimum Qualifications: - Bachelors, Masters, or PhD in nuclear engineering, chemical engineering, or chemistry, or related field - Minimum 5+ years experience performing CSEs as a part of a nuclear facility's safety basis Bonus Qualifications: - Knowledge of used nuclear fuel recycling technologies - 10+ years of experience performing criticality safety evaluations for an NRC licensed fuel cycle facility Competencies We are looking for a Senior Nuclear Criticality Safety Engineer that is: - Knowledge of nuclear science, physics of criticality, and chemistry - Knowledge
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