R&D Metallurgist
Mariana Minerals is hiring for R&D Metallurgist in San Francisco HQ. Mid level. First seen September 11, 2026; open as of November 12, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- Mariana Minerals
- Where
- San Francisco HQ
- Level
- Mid
- First seen
- September 11, 2026
- Listed via
- Ashby
What the posting says
The Role - The R&D Metallurgist designs, executes, and analyzes experiments to advance Mariana Minerals' hydrometallurgical testing programs. This hands-on laboratory and pilot-scale role focuses on running DOE protocols, operating tank reactors and mining systems, and analyzing data to optimize extraction for critical minerals. What You'll Do - Develop Design of Experiments (DOE) protocols for chemical processing, extraction, and purification - Analyze metallurgical and process data to identify trends, root causes, and optimization opportunities - Operate tank reactors, filtration systems,…
Read more and apply on Mariana Minerals' site
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