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

Why Join Us?

At Mariana Minerals, you’ll be part of a mission-driven team reshaping the way critical minerals are sourced and supplied globally. You’ll have the autonomy to make big decisions, the tools to innovate, and a culture that values ownership, smart automation, and collaboration.

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.

Mariana is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status.