Mariana Minerals
Mariana Minerals is seeking a dependable and self-motivated Custodian / General Laborer to maintain the cleanliness, safety, and functionality of all site buildings and grounds. This role involves performing facility cleaning, grounds maintenance, and general labor support to ensure a professional and organized work environment. The ideal candidate will take pride in their work, demonstrate strong organizational skills, and be flexible in supporting various operational needs.
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.
Mariana Minerals didn’t post a salary, so this is our estimate from similar listings.
3% above the average for this role
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