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Sodium Test Engineer

Oklo · Idaho Falls, ID

Posted Aug 19, 2026

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From the posting

Thanks for your interest in Oklo! We are searching for a Sodium Test Engineer to join our team in Idaho Falls.

Position Description

Oklo is transforming the future of energy, and we are looking for a Sodium Test Engineer to develop and operate test platforms that support advanced nuclear technology development.

In this role, you will lead or support the design, fabrication, commissioning, operation, and modification of experimental systems involving molten sodium with travel up to 10%.

The ideal candidate has direct knowledge or hands-on experience with molten sodium, or other molten alkali-metal systems. This experience may include system design, laboratory research, test operations, equipment development, chemistry control, component testing, maintenance, or decommissioning. The successful candidate will understand the unique operating, materials, cleanliness, containment, and safety considerations associated with reactive liquid metals.

Specific responsibilities may include:

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. …

Excerpt from Oklo's public job board. Read the full posting.

About this listing. Pulled automatically from Oklo's public job board and refreshed daily; closed roles are removed. Mars Mining Co. is not the employer, does not take applications and does not screen candidates. Field and level labels come from the job title and can be wrong.

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