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© All Rights Reserved. ApplyBlast.com
Mariana Minerals
Mariana Minerals is seeking an R&D Technician to execute experiments, operate chemical processing equipment, and optimize extraction and separation processes for critical minerals. The role involves hands-on laboratory work, data analysis, and supporting the development of hydrometallurgical technologies.
Company Size
1-10 employees
Mariana Minerals is a software-first, vertically integrated minerals company and the world's only software-first minerals project developer and operator. The company is focused on supplying critical minerals — including copper, lithium, nickel, cobalt, and rare earth metals — essential to modern energy, AI, and defense technologies. Headquartered in San Francisco with an engineering office in Houston, Mariana Minerals develops and operates mineral projects through a technology-driven approach.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for Mariana Minerals.
23% below the average for this role
Crews break ground on Texas’ first commercially produced water lithium extraction facility
Oct 23, 2025
