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Senior Mechanical Engineer

Oklo·Oak Ridge, TN or Remote·Remote·Posted 16 September 2026

About the role

Thanks for your interest in Oklo! We are searching for a Sr. Mechanical Engineer to join our fuel recycling engineering team within Oklo's Recycling Division. Position Description You will serve as Oklo's technical expert for high-temperature process piping, pressure vessels, and pressure-retaining components supporting the Oak Ridge Fuel Recycling Facility (OFRF). You will own the mechanical design basis, analysis, code compliance, and technical interfaces for these systems from early design through fabrication, testing, installation, commissioning, and operational support. The work includes demanding hot-cell, molten-salt, inert-atmosphere, vacuum, and thermal-cycling service conditions. This role is for a technically rigorous mechanical engineer who is comfortable working from first principles, developing and reviewing detailed analytical models, and owning mechanical equipment designs from early concepts through fabrication, testing, hot-cell installation, and operation. Success requires strong engineering judgment, hands-on design capability, clear communication, and the ability to balance technical performance, safety, remote maintainability, manufacturability, schedule, and…

This is a summary of the advert. The full description and the application are on Oklo's careers site.

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