Staff Mechanical Engineer is open at Marianaminerals in Houston, TX. The posting gives a salary of $140K - $190K. Posted on Oct 22, 2026, and still on Marianaminerals’s careers page when we last checked, on Nov 14, 2026.
About the role
Mariana Minerals is seeking a highly motivated Staff Mechanical Engineer to support our next-generation minerals processing pilot plant in Houston. You will lead the design, integration, and deployment of pilot-scale mechanical systems and processing equipment used to demonstrate and scale innovative refining technologies for critical minerals. This role is highly hands-on and will play a key role in building and…
The opening lines of the posting. The rest is on Marianaminerals’s careers page.
Hiring at Marianaminerals
Marianaminerals has 102 open roles right now. Most are in Engineering, Manufacturing & Trades and Operations. The median advertised salary across its roles with a published range is $160K. See all its roles
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