FewerJobs.
All jobs

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
  • Fertility benefits: Not verified
  • Adoption assistance: Not verified
  • Surrogacy assistance: Not verified
Mental health support
Not verified
Relocation assistance
Not verified
Childcare support
Not verified
Learning budget
Not verified
Verification
Not verified
Salary
Not verified
401(k) match
Not verified

Was this benefit information wrong? Tell us.

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
Not verified
Assessment
Not verified
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

Read the full description at job-boards.greenhouse.io. FewerJobs shows a source-linked preview and links to the original posting.

Apply at job-boards.greenhouse.io

Apply link not verified; last-live date unavailable.

What verified means

Verified means a displayed claim has a recorded source field, a source URL when available, and a timestamp showing when FewerJobs checked or enriched the evidence.

Related jobs