Sr Weld Technician First Shift Jobs in San Francisco, CA

…Mariana Minerals is a software- first, vertically integrated minerals company on a mission to supply the critical

…Mariana Minerals is a software- first, vertically integrated minerals company on a mission to supply the critical

First and second shift availability.

As a Sr.

…engineer in HQ and a technician on a shift schedule.

…changes, providers exit markets, demand shifts.

…Mariana Minerals is a software- first, vertically integrated minerals company on a mission to supply the critical

We are shifting from manual, high-volume request processing to an AI-first operating model — where AI agents handle repeatable work autonomously

…Mariana Minerals is hiring a Sr.

About the Role As a Sr.

…role sits above the Lead/ Sr.

Real impact in your first 90 days: You'll define the acceptance test framework for our two largest active contracts, ship your first

and weld fixture design experience, including familiarity with welded structure inspection Experience with laser projection systems to aid

Our first commercial-scale lithium production facility, Lithium One, is targeting initial production in Q1 of 2027.