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Senior/Staff Chemical Process Engineer

Mariana Minerals is hiring for Senior/Staff Chemical Process Engineer in San Francisco HQ. Senior level. First seen October 27, 2026; open as of November 10, 2026. Jobs taken straight from company career pages — no aggregator in between.

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Company
Mariana Minerals
Where
San Francisco HQ
Level
Senior
First seen
October 27, 2026
Listed via
Ashby

What the posting says

Role Overview Mariana Minerals is looking for a highly motivated Sr./Staff Process Engineer to work on building the critical minerals supply chain to support the world’s energy transition and to supply metals necessary for technology and AI, energy, mobility, and defense. As a Sr./Staff Process Engineer at Mariana Minerals, you will lead the development and deployment of state-of-the-art chemical refining processes, while also supporting development of software for capital project execution and automated plant optimization. Responsibilities will include leading process area and equipment…

Read more and apply on Mariana Minerals' site

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