Laboratory Technician is open at Marianaminerals in San Francisco HQ. The posting gives a salary of $40 - $45 an hour. Posted on Oct 7, 2026, and still on Marianaminerals’s careers page when we last checked, on Nov 14, 2026.
About the role
The Laboratory Technician runs high-temperature processing equipment in Mariana Minerals' Deep Sea Nodule Lab, where we turn polymetallic nodules from the Clarion-Clipperton Zone (CCZ) into battery-grade nickel, copper and cobalt. This hands-on role prepares feed, operates a rotary kiln, electric arc furnace and induction converter, samples products, and keeps the lab safe and orderly. The role reports to the…
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

