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Hydrometallurgical Process Engineer — Digital Refineries

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: Mariana Minerals
Full Time position
Listed on 2026-06-26
Job specializations:
  • Engineering
    Process Engineer, Chemical Engineer, Manufacturing Engineer, Materials Engineer
Job Description & How to Apply Below
Mariana Minerals is seeking a Hydrometallurgical Process Engineer in San Francisco, California. In this role, you will lead the development and deployment of innovative chemical refining processes, working on the critical minerals supply chain to support the energy transition. Responsibilities include leading design and commissioning of equipment, managing technology partners, and integrating mineral processing systems. A strong background in chemical or metallurgical engineering and experience with hydrometallurgical processes are required.

Join a mission-driven team reshaping responsible mineral sourcing.
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