Molten Sodium Test Engineer – Nuclear Tech R&D

Oklo; Idaho Falls (ID); On-site; USD 90,000 - 150,000; Full time

Benefits offered by this job

Equity

Bonuses

Competitive pay

401(k)

Health insurance (employer contributed

HSA

FSA

Flexible work hours

Wellness credits

Job summary

Oklo is seeking a Sodium Test Engineer in Idaho Falls to develop and operate test platforms supporting molten sodium systems and advanced nuclear technology.

You will lead or support test setup, data validation, reporting, and laboratory development, with travel up to 10% and strict safety standards. Ideal candidates bring hands-on molten sodium experience and a startup-driven mindset.

Qualifications

• Bachelor’s degree in mechanical engineering, chemical engineering, nuclear engineering, materials engineering, or a related technical field.
• Demonstrated knowledge of or experience with molten sodium or another molten alkali metal.
• Experience developing test plans, test procedures, operating procedures, engineering calculations, or technical reports.
• Ability to read and interpret piping and instrumentation diagrams, process‑flow diagrams, equipment drawings, electrical schematics, instrument diagrams, and vendor documentation.
• Ability to lift, move, and position objects weighing up to 30 pounds, with or without reasonable accommodation.

Responsibilities

• Test Program Development: Translate engineering data requirements into executable tests. Prepare test plans, laboratory procedures, work instructions, equipment requirements, inspection points, and data-collection methods for materials-characterization activities.
• Test Execution: Lead or support test setup, readiness reviews, equipment checkout, specimen installation, startup, monitoring, shutdown, and post-test activities.
• Data Validation and Analysis: Review raw data for completeness and validity, identify anomalies, assess measurement uncertainty, calculate material properties, evaluate repeatability, and compare results with expected behavior or established requirements.
• Technical Reporting: Prepare test reports, materials evaluations, failure‑analysis reports, engineering memos, data summaries, and recommendations. Clearly document methods, assumptions, deviations, results, uncertainties, and conclusions.
• Laboratory Development: Help establish and improve materials‑laboratory capabilities, equipment‑maintenance programs, calibration practices, specimen‑storage methods, test templates, and safe operating procedures.

Skills

Molten Alkali Metal Knowledge

Analytical Ability

Education

Bachelor’s degree in mechanical engineering, chemical engineering, nuclear engineering, materials engineering, or a related technical field

Job description

Oklo is seeking a Sodium Test Engineer in Idaho Falls to develop and operate test platforms supporting molten sodium systems and advanced nuclear technology.

You will lead or support test setup, data validation, reporting, and laboratory development, with travel up to 10% and strict safety standards. Ideal candidates bring hands-on molten sodium experience and a startup-driven mindset.