Materials Engineer

Oklo Inc

Materials Engineer managing material selection and governance for advanced nuclear systems at Oklo. Collaborating across teams to ensure compliance with engineering and regulatory standards while driving efficient decision-making.

Posted 4/20/2026full-timeSanta Clara • California • 🇺🇸 United StatesMid-LevelSenior💰 $120,000 - $175,000 per yearWebsite

About the role

Key responsibilities & impact

Own and implement Oklo’s materials selection and governance process, ensuring fast, safe, and standardized decision-making across reactor systems
Contribute to and help evolve Oklo’s preferred materials database and related tools, ensuring material knowledge is captured, structured, and accessible over time
Serve as a technical authority for material selection by:
Developing and communicating recommendations for new material use
Reviewing deviations from preferred materials and advising on risks and tradeoffs
Guiding teams toward proven, scalable, and defensible solutions
Evaluate new materials using structured engineering approaches, including:
Assessing behavior under relevant operating conditions
Identifying key degradation mechanisms and associated risks
Leveraging available data and engineering judgment to inform recommendations
Collaborate cross-functionally to support design decisions and ensure alignment with engineering, safety, and regulatory considerations
Support regulatory and licensing efforts by ensuring material selections are technically justified and defensible
Identify material knowledge gaps and inform testing or analysis needs

Requirements

What you’ll need

Minimum of 5 years of experience.
Bachelor’s degree in materials science, nuclear engineering, mechanical engineering, or a related field
5+ years of experience in materials engineering, with a focus on material selection, evaluation, or qualification
Demonstrated experience applying engineering judgment to support material selection decisions in complex or high-consequence systems
Strong understanding of material behavior in demanding environments (e.g., high temperature, corrosive environments, radiation, or similar)
Familiarity with common material degradation mechanisms (e.g., corrosion, creep, embrittlement, fatigue)
Experience working cross-functionally to support engineering design decisions
Ability to clearly communicate technical recommendations, including assumptions, risks, and tradeoffs
Strong written communication skills, including the ability to document technical rationale in a clear and structured manner.

Benefits

Comp & perks

Flexible time off
Equity
Competitive pay
401k
Health insurance
FSA
Flexible work hours

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

materials selectionmaterials engineeringmaterial evaluationmaterial qualificationengineering judgmentmaterial behavior assessmentdegradation mechanismscorrosioncreepfatigue

Soft Skills

communicationcollaborationtechnical recommendationsrisk assessmenttradeoff analysisdocumentationcross-functional teamworkproblem-solvingdecision-makingorganizational skills