Jobs

Pilot Plant Technician
Mariana MineralsIn-personFull timeSan Francisco, CA

What to expect Mariana Minerals is looking for a highly motivated Pilot Plant Technician to work on building the critical minerals supply chain.

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies. The over-concentration in critical minerals markets today is unprecedented compared with any other major commodity we rely on in the modern world. Mariana aims to address this head on, leveraging recent advances in AI and Machine Learning to engineer, construct, commission, and optimize greenfield and brownfield minerals assets faster than ever before. We believe in open, honest communication, and enjoying our work while changing the world. We’re mission-oriented, think big, and are a dynamic team looking for a new team member who’s also passionate about joining a startup focused on solving the critical minerals supply challenge.

What You'll Do -Assist Engineers and other Technicians to run chemical processes such as precipitation, filtration, ion exchange, and membrane concentration. -Perform safe chemical process equipment and instrumentation troubleshooting, and maintenance -Work to identify and optimize process conditions as well as install and test new process equipment -Ensure operations area is kept maintained in terms of material storage, and cleanliness. Adhere to company policies of safety and conduct -Maintain spare parts list and ensure all equipment/tooling is prepared to perform maintenance. Assist in design, purchase, and commissioning new equipment -Document procedures, key observations and record experimental data

What You'll Bring -3+ years of experience operating safely in hands-on pilot operation, or equipment maintenance environment -Experience of high temperature, solid handling process and operation is a plus -Experience in tube fitting, piping fabrication and/or assembly is a plus -Experience with hand and power tools is a plus -Experience with lock out, tag out (LOTO), reviewing equipment drawings, PFDs or P&IDs is a plus -Basic knowledge of inorganic chemistry, pH and reaction stoichiometry a plus -Climb stairs, stand for extended periods of time, and safely lift up to 50 lbs.