Chemical Engineering Intern
Mariana Minerals
ABOUT MARIANA MINERALS Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making. THE ROLE We are hiring a Chemical Engineering Intern to work on real, high-impact problems within the Operations team. You will contribute directly to commissioning a first-of-a-kind copper scrap recycling plant, working closely with engineers and domain experts. This role is designed to provide hands-on experience building and shipping solutions, not just supporting tasks. WHAT YOU’LL DO - Assist in commissioning pilot equipment - Operate pilot plant to perform various process tests and performance evaluations - Collaborate with cross-functional team members including engineers and operators - Present outcomes and learnings at the end of the internship DESIRED QUALIFICATIONS - Currently pursuing a degree in Chemical Engineering or Metallurgy - Strong fundamentals in fundamental knowledge, data recording, organization and analysis, and equipment operation/maintenance - Hands-on experience with processing equipment - Ability to break down problems and execute independently - Clear communication and willingness to learn - Willingness to work both day & night shifts with operators and engineers OUR CULTURE IS BUILT ON THREE PRINCIPLES: Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions. Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale. Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions. Join us as we build the future of responsible mineral sourcing and supply.