Oklo

Fuel Fabrication Criticality Analysis & Nuclear Safety Engineer

Oklo · Idaho Falls, ID or Remote

Posted 2 days ago · $120,000-$190,000

or apply directly on Oklo's site. We never take the application ourselves.

Is this posting real?

This role has been open
2 days
Oklo's roles stay open a median of 64 days
Reposted
No
Salary listed
Yes
99% of Oklo's roles list one
Ghost-job risk at Oklo
high
74 stale, 5 reposted of 105 open
Hiring momentum
131 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-24

Measured from postings appearing on and disappearing from Oklo's own greenhouse board since 2026-08-03. Full hiring picture for Oklo.

About this role

As a Criticality Analysis & Nuclear Safety Engineer at Oklo, you will focus on developing and maintaining the nuclear criticality safety basis and conducting nuclear safety analyses for advanced nuclear fuel fabrication facilities. Your role involves performing computational analyses, establishing controls for fissile material operations, and collaborating with various engineering teams to ensure compliance with nuclear safety requirements. You'll also support regulatory documentation and participate in design reviews and safety evaluations.

Our read on this posting4.6out of 5
benefits
5/5
freshness
5/5
career value
4/5
role clarity
4/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Oklo as an employer.

What you need

  • Bachelor's or higher degree in Nuclear Engineering or closely related discipline
  • Experience performing nuclear criticality or safety analyses
  • Knowledge of neutron transport methods and computational modeling
  • Understanding of NRC or DOE nuclear safety requirements
  • Strong technical writing and communication skills
  • Ability to work effectively within multidisciplinary engineering teams

Nice to have

  • Graduate degree in Nuclear Engineering
  • Experience supporting HALEU, plutonium, or uranium fuel fabrication facilities
  • Experience preparing NRC licensing analyses
  • Knowledge of DOE-STD-3007 and nuclear safety basis methodologies
  • Experience with HAZOPs, accident analysis, or probabilistic risk assessment

What you get

  • Salary: $120,000-$190,000
  • Flexible time off
  • Equity
  • Bonuses
  • Competitive pay
  • 401(k)

Worth weighing

  • Remote employees must travel to headquarters twice a quarter
  • First two weeks of onboarding require in-person attendance at headquarters
  • Fast-paced startup environment may not suit everyone
  • Role requires strong collaboration and communication skills in a team setting

Summarised from Oklo's posting. Read the full original.

Listed by Oklo on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

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